upgraded bootstrap to 5.0.2

119 files changed, 6392 insertions, 5418 deletions

diff --git a/sass/vendor/bootstrap/VERSION.md b/sass/vendor/bootstrap/VERSION.md
index 4cc7f32..a1ef0ca 100644
--- a/sass/vendor/bootstrap/VERSION.md
+++ b/sass/vendor/bootstrap/VERSION.md
@@ -1 +1 @@
-bootstrap-4.0.0-alpha.6-dist
\ No newline at end of file
+5.0.2
diff --git a/sass/vendor/bootstrap/scss/.scss-lint.yml b/sass/vendor/bootstrap/scss/.scss-lint.yml
deleted file mode 100755
index 9d6e7ec..0000000
--- a/sass/vendor/bootstrap/scss/.scss-lint.yml
+++ /dev/null
@@ -1,548 +0,0 @@
-# Default application configuration that all configurations inherit from.
-scss_files:
-  - "**/*.scss"
-  - "docs/assets/scss/**/*.scss"
-
-exclude:
-  - "scss/_normalize.scss"
-
-plugin_directories: ['.scss-linters']
-
-# List of gem names to load custom linters from (make sure they are already
-# installed)
-plugin_gems: []
-
-# Default severity of all linters.
-severity: warning
-
-linters:
-  BangFormat:
-    enabled: true
-    space_before_bang: true
-    space_after_bang: false
-
-  BemDepth:
-    enabled: false
-    max_elements: 1
-
-  BorderZero:
-    enabled: true
-    convention: zero # or `none`
-    exclude:
-      - _normalize.scss
-
-  ChainedClasses:
-    enabled: false
-
-  ColorKeyword:
-    enabled: true
-
-  ColorVariable:
-    enabled: false
-
-  Comment:
-    enabled: true
-    exclude:
-      - _normalize.scss
-      - bootstrap.scss
-    style: silent
-
-  DebugStatement:
-    enabled: true
-
-  DeclarationOrder:
-    enabled: false
-
-  DisableLinterReason:
-    enabled: false
-
-  DuplicateProperty:
-    enabled: true
-
-  ElsePlacement:
-    enabled: true
-    style: same_line # or 'new_line'
-
-  EmptyLineBetweenBlocks:
-    enabled: false
-    ignore_single_line_blocks: true
-
-  EmptyRule:
-    enabled: true
-
-  ExtendDirective:
-    enabled: false
-
-  FinalNewline:
-    enabled: true
-    present: true
-
-  HexLength:
-    enabled: true
-    style: short # or 'long'
-
-  HexNotation:
-    enabled: true
-    style: lowercase # or 'uppercase'
-
-  HexValidation:
-    enabled: true
-
-  IdSelector:
-    enabled: true
-
-  ImportantRule:
-    enabled: false
-
-  ImportPath:
-    enabled: true
-    leading_underscore: false
-    filename_extension: false
-
-  Indentation:
-    enabled: true
-    allow_non_nested_indentation: false
-    character: space # or 'tab'
-    width: 2
-
-  LeadingZero:
-    enabled: true
-    style: exclude_zero # or 'include_zero'
-    exclude:
-      - _normalize.scss
-
-  MergeableSelector:
-    enabled: false
-    force_nesting: true
-
-  NameFormat:
-    enabled: true
-    allow_leading_underscore: true
-    convention: hyphenated_lowercase # or 'camel_case', or 'snake_case', or a regex pattern
-
-  NestingDepth:
-    enabled: true
-    max_depth: 4
-    ignore_parent_selectors: false
-
-  PlaceholderInExtend:
-    enabled: false
-
-  PropertyCount:
-    enabled: false
-    include_nested: false
-    max_properties: 10
-
-  PropertySortOrder:
-    enabled: true
-    ignore_unspecified: false
-    min_properties: 2
-    separate_groups: false
-    exclude:
-      - _normalize.scss
-    order:
-      - position
-      - top
-      - right
-      - bottom
-      - left
-      - z-index
-      - -webkit-box-sizing
-      - -moz-box-sizing
-      - box-sizing
-      - display
-      - flex
-      - flex-align
-      - flex-basis
-      - flex-direction
-      - flex-wrap
-      - flex-flow
-      - flex-grow
-      - flex-order
-      - flex-pack
-      - align-items
-      - align-self
-      - justify-content
-      - float
-      - width
-      - min-width
-      - max-width
-      - height
-      - min-height
-      - max-height
-      - padding
-      - padding-top
-      - padding-right
-      - padding-bottom
-      - padding-left
-      - margin
-      - margin-top
-      - margin-right
-      - margin-bottom
-      - margin-left
-      - overflow
-      - overflow-x
-      - overflow-y
-      - -webkit-overflow-scrolling
-      - -ms-overflow-x
-      - -ms-overflow-y
-      - -ms-overflow-style
-      - clip
-      - clear
-      - font
-      - font-family
-      - font-size
-      - font-style
-      - font-weight
-      - font-variant
-      - font-size-adjust
-      - font-stretch
-      - font-effect
-      - font-emphasize
-      - font-emphasize-position
-      - font-emphasize-style
-      - font-smooth
-      - -webkit-hyphens
-      - -moz-hyphens
-      - hyphens
-      - line-height
-      - color
-      - text-align
-      - -webkit-text-align-last
-      - -moz-text-align-last
-      - -ms-text-align-last
-      - text-align-last
-      - text-emphasis
-      - text-emphasis-color
-      - text-emphasis-style
-      - text-emphasis-position
-      - text-decoration
-      - text-indent
-      - text-justify
-      - text-outline
-      - -ms-text-overflow
-      - text-overflow
-      - text-overflow-ellipsis
-      - text-overflow-mode
-      - text-shadow
-      - text-transform
-      - text-wrap
-      - -webkit-text-size-adjust
-      - -ms-text-size-adjust
-      - letter-spacing
-      - -ms-word-break
-      - word-break
-      - word-spacing
-      - -ms-word-wrap
-      - word-wrap
-      - overflow-wrap
-      - -moz-tab-size
-      - -o-tab-size
-      - tab-size
-      - white-space
-      - vertical-align
-      - list-style
-      - list-style-position
-      - list-style-type
-      - list-style-image
-      - pointer-events
-      - -ms-touch-action
-      - touch-action
-      - cursor
-      - visibility
-      - zoom
-      - table-layout
-      - empty-cells
-      - caption-side
-      - border-spacing
-      - border-collapse
-      - content
-      - quotes
-      - counter-reset
-      - counter-increment
-      - resize
-      - -webkit-user-select
-      - -moz-user-select
-      - -ms-user-select
-      - -o-user-select
-      - user-select
-      - nav-index
-      - nav-up
-      - nav-right
-      - nav-down
-      - nav-left
-      - background
-      - background-color
-      - background-image
-      - -ms-filter:\\'progid:DXImageTransform.Microsoft.gradient
-      - filter:progid:DXImageTransform.Microsoft.gradient
-      - filter:progid:DXImageTransform.Microsoft.AlphaImageLoader
-      - filter
-      - background-repeat
-      - background-attachment
-      - background-position
-      - background-position-x
-      - background-position-y
-      - -webkit-background-clip
-      - -moz-background-clip
-      - background-clip
-      - background-origin
-      - -webkit-background-size
-      - -moz-background-size
-      - -o-background-size
-      - background-size
-      - border
-      - border-color
-      - border-style
-      - border-width
-      - border-top
-      - border-top-color
-      - border-top-style
-      - border-top-width
-      - border-right
-      - border-right-color
-      - border-right-style
-      - border-right-width
-      - border-bottom
-      - border-bottom-color
-      - border-bottom-style
-      - border-bottom-width
-      - border-left
-      - border-left-color
-      - border-left-style
-      - border-left-width
-      - border-radius
-      - border-top-left-radius
-      - border-top-right-radius
-      - border-bottom-right-radius
-      - border-bottom-left-radius
-      - -webkit-border-image
-      - -moz-border-image
-      - -o-border-image
-      - border-image
-      - -webkit-border-image-source
-      - -moz-border-image-source
-      - -o-border-image-source
-      - border-image-source
-      - -webkit-border-image-slice
-      - -moz-border-image-slice
-      - -o-border-image-slice
-      - border-image-slice
-      - -webkit-border-image-width
-      - -moz-border-image-width
-      - -o-border-image-width
-      - border-image-width
-      - -webkit-border-image-outset
-      - -moz-border-image-outset
-      - -o-border-image-outset
-      - border-image-outset
-      - -webkit-border-image-repeat
-      - -moz-border-image-repeat
-      - -o-border-image-repeat
-      - border-image-repeat
-      - outline
-      - outline-width
-      - outline-style
-      - outline-color
-      - outline-offset
-      - -webkit-box-shadow
-      - -moz-box-shadow
-      - box-shadow
-      - filter:progid:DXImageTransform.Microsoft.Alpha(Opacity
-      - -ms-filter:\\'progid:DXImageTransform.Microsoft.Alpha
-      - opacity
-      - -ms-interpolation-mode
-      - -webkit-transition
-      - -moz-transition
-      - -ms-transition
-      - -o-transition
-      - transition
-      - -webkit-transition-delay
-      - -moz-transition-delay
-      - -ms-transition-delay
-      - -o-transition-delay
-      - transition-delay
-      - -webkit-transition-timing-function
-      - -moz-transition-timing-function
-      - -ms-transition-timing-function
-      - -o-transition-timing-function
-      - transition-timing-function
-      - -webkit-transition-duration
-      - -moz-transition-duration
-      - -ms-transition-duration
-      - -o-transition-duration
-      - transition-duration
-      - -webkit-transition-property
-      - -moz-transition-property
-      - -ms-transition-property
-      - -o-transition-property
-      - transition-property
-      - -webkit-transform
-      - -moz-transform
-      - -ms-transform
-      - -o-transform
-      - transform
-      - -webkit-transform-origin
-      - -moz-transform-origin
-      - -ms-transform-origin
-      - -o-transform-origin
-      - transform-origin
-      - -webkit-animation
-      - -moz-animation
-      - -ms-animation
-      - -o-animation
-      - animation
-      - -webkit-animation-name
-      - -moz-animation-name
-      - -ms-animation-name
-      - -o-animation-name
-      - animation-name
-      - -webkit-animation-duration
-      - -moz-animation-duration
-      - -ms-animation-duration
-      - -o-animation-duration
-      - animation-duration
-      - -webkit-animation-play-state
-      - -moz-animation-play-state
-      - -ms-animation-play-state
-      - -o-animation-play-state
-      - animation-play-state
-      - -webkit-animation-timing-function
-      - -moz-animation-timing-function
-      - -ms-animation-timing-function
-      - -o-animation-timing-function
-      - animation-timing-function
-      - -webkit-animation-delay
-      - -moz-animation-delay
-      - -ms-animation-delay
-      - -o-animation-delay
-      - animation-delay
-      - -webkit-animation-iteration-count
-      - -moz-animation-iteration-count
-      - -ms-animation-iteration-count
-      - -o-animation-iteration-count
-      - animation-iteration-count
-      - -webkit-animation-direction
-      - -moz-animation-direction
-      - -ms-animation-direction
-      - -o-animation-direction
-
-
-  PropertySpelling:
-    enabled: true
-    extra_properties: []
-    disabled_properties: []
-
-  PropertyUnits:
-    enabled: true
-    global: [
-      'ch', 'em', 'ex', 'rem',                 # Font-relative lengths
-      'cm', 'in', 'mm', 'pc', 'pt', 'px', 'q', # Absolute lengths
-      'vh', 'vw', 'vmin', 'vmax',              # Viewport-percentage lengths
-      'deg', 'grad', 'rad', 'turn',            # Angle
-      'ms', 's',                               # Duration
-      'Hz', 'kHz',                             # Frequency
-      'dpi', 'dpcm', 'dppx',                   # Resolution
-      '%']                                     # Other
-    properties: {}
-
-  PseudoElement:
-    enabled: true
-
-  QualifyingElement:
-    enabled: true
-    allow_element_with_attribute: false
-    allow_element_with_class: false
-    allow_element_with_id: false
-
-  SelectorDepth:
-    enabled: true
-    max_depth: 4
-
-  SelectorFormat:
-    enabled: false
-    convention: hyphenated_lowercase # or 'strict_BEM', or 'hyphenated_BEM', or 'snake_case', or 'camel_case', or a regex pattern
-
-  Shorthand:
-    enabled: true
-    allowed_shorthands: [1, 2, 3, 4]
-
-  SingleLinePerProperty:
-    enabled: false
-    allow_single_line_rule_sets: true
-
-  SingleLinePerSelector:
-    enabled: false
-
-  SpaceAfterComma:
-    enabled: false
-    style: one_space # or 'no_space', or 'at_least_one_space'
-
-  SpaceAfterPropertyColon:
-    enabled: true
-    style: at_least_one_space # or 'no_space', or 'at_least_one_space', or 'aligned'
-
-  SpaceAfterPropertyName:
-    enabled: true
-
-  SpaceAfterVariableName:
-    enabled: true
-
-  SpaceAroundOperator:
-    enabled: true
-    style: one_space # or 'at_least_one_space', or 'no_space'
-
-  SpaceBeforeBrace:
-    enabled: true
-    style: space # or 'new_line'
-    allow_single_line_padding: true
-
-  SpaceBetweenParens:
-    enabled: true
-    spaces: 0
-
-  StringQuotes:
-    enabled: true
-    style: double_quotes # or double_quotes
-
-  TrailingSemicolon:
-    enabled: true
-
-  TrailingWhitespace:
-    enabled: true
-
-  TrailingZero:
-    enabled: false
-
-  TransitionAll:
-    enabled: false
-
-  UnnecessaryMantissa:
-    enabled: true
-
-  UnnecessaryParentReference:
-    enabled: true
-
-  UrlFormat:
-    enabled: true
-
-  UrlQuotes:
-    enabled: true
-
-  VariableForProperty:
-    enabled: false
-    properties: []
-
-  VendorPrefix:
-    enabled: true
-    identifier_list: base
-    additional_identifiers: []
-    excluded_identifiers: []
-    exclude:
-      - _normalize.scss
-
-  ZeroUnit:
-    enabled: true
-
-  Compass::*:
-    enabled: false
diff --git a/sass/vendor/bootstrap/scss/_accordion.scss b/sass/vendor/bootstrap/scss/_accordion.scss
new file mode 100644
index 0000000..fc62ceb
--- /dev/null
+++ b/sass/vendor/bootstrap/scss/_accordion.scss
@@ -0,0 +1,118 @@
+//
+// Base styles
+//
+
+.accordion-button {
+  position: relative;
+  display: flex;
+  align-items: center;
+  width: 100%;
+  padding: $accordion-button-padding-y $accordion-button-padding-x;
+  @include font-size($font-size-base);
+  color: $accordion-button-color;
+  text-align: left; // Reset button style
+  background-color: $accordion-button-bg;
+  border: 0;
+  @include border-radius(0);
+  overflow-anchor: none;
+  @include transition($accordion-transition);
+
+  &:not(.collapsed) {
+    color: $accordion-button-active-color;
+    background-color: $accordion-button-active-bg;
+    box-shadow: inset 0 ($accordion-border-width * -1) 0 $accordion-border-color;
+
+    &::after {
+      background-image: escape-svg($accordion-button-active-icon);
+      transform: $accordion-icon-transform;
+    }
+  }
+
+  // Accordion icon
+  &::after {
+    flex-shrink: 0;
+    width: $accordion-icon-width;
+    height: $accordion-icon-width;
+    margin-left: auto;
+    content: "";
+    background-image: escape-svg($accordion-button-icon);
+    background-repeat: no-repeat;
+    background-size: $accordion-icon-width;
+    @include transition($accordion-icon-transition);
+  }
+
+  &:hover {
+    z-index: 2;
+  }
+
+  &:focus {
+    z-index: 3;
+    border-color: $accordion-button-focus-border-color;
+    outline: 0;
+    box-shadow: $accordion-button-focus-box-shadow;
+  }
+}
+
+.accordion-header {
+  margin-bottom: 0;
+}
+
+.accordion-item {
+  background-color: $accordion-bg;
+  border: $accordion-border-width solid $accordion-border-color;
+
+  &:first-of-type {
+    @include border-top-radius($accordion-border-radius);
+
+    .accordion-button {
+      @include border-top-radius($accordion-inner-border-radius);
+    }
+  }
+
+  &:not(:first-of-type) {
+    border-top: 0;
+  }
+
+  // Only set a border-radius on the last item if the accordion is collapsed
+  &:last-of-type {
+    @include border-bottom-radius($accordion-border-radius);
+
+    .accordion-button {
+      &.collapsed {
+        @include border-bottom-radius($accordion-inner-border-radius);
+      }
+    }
+
+    .accordion-collapse {
+      @include border-bottom-radius($accordion-border-radius);
+    }
+  }
+}
+
+.accordion-body {
+  padding: $accordion-body-padding-y $accordion-body-padding-x;
+}
+
+
+// Flush accordion items
+//
+// Remove borders and border-radius to keep accordion items edge-to-edge.
+
+.accordion-flush {
+  .accordion-collapse {
+    border-width: 0;
+  }
+
+  .accordion-item {
+    border-right: 0;
+    border-left: 0;
+    @include border-radius(0);
+
+    &:first-child { border-top: 0; }
+    &:last-child { border-bottom: 0; }
+
+    .accordion-button {
+      @include border-radius(0);
+    }
+  }
+}
diff --git a/sass/vendor/bootstrap/scss/_alert.scss b/sass/vendor/bootstrap/scss/_alert.scss
index d9b4e9b..34f1e84 100755..100644
--- a/sass/vendor/bootstrap/scss/_alert.scss
+++ b/sass/vendor/bootstrap/scss/_alert.scss
@@ -3,6 +3,7 @@
 //
 
 .alert {
+  position: relative;
   padding: $alert-padding-y $alert-padding-x;
   margin-bottom: $alert-margin-bottom;
   border: $alert-border-width solid transparent;
@@ -26,30 +27,31 @@
 // Expand the right padding and account for the close button's positioning.
 
 .alert-dismissible {
+  padding-right: $alert-dismissible-padding-r;
+
   // Adjust close link position
-  .close {
-    position: relative;
-    top: -$alert-padding-y;
-    right: -$alert-padding-x;
-    padding: $alert-padding-y $alert-padding-x;
-    color: inherit;
+  .btn-close {
+    position: absolute;
+    top: 0;
+    right: 0;
+    z-index: $stretched-link-z-index + 1;
+    padding: $alert-padding-y * 1.25 $alert-padding-x;
   }
 }
 
 
-// Alternate styles
-//
+// scss-docs-start alert-modifiers
 // Generate contextual modifier classes for colorizing the alert.
 
-.alert-success {
-  @include alert-variant($alert-success-bg, $alert-success-border, $alert-success-text);
-}
-.alert-info {
-  @include alert-variant($alert-info-bg, $alert-info-border, $alert-info-text);
-}
-.alert-warning {
-  @include alert-variant($alert-warning-bg, $alert-warning-border, $alert-warning-text);
-}
-.alert-danger {
-  @include alert-variant($alert-danger-bg, $alert-danger-border, $alert-danger-text);
+@each $state, $value in $theme-colors {
+  $alert-background: shift-color($value, $alert-bg-scale);
+  $alert-border: shift-color($value, $alert-border-scale);
+  $alert-color: shift-color($value, $alert-color-scale);
+  @if (contrast-ratio($alert-background, $alert-color) < $min-contrast-ratio) {
+    $alert-color: mix($value, color-contrast($alert-background), abs($alert-color-scale));
+  }
+  .alert-#{$state} {
+    @include alert-variant($alert-background, $alert-border, $alert-color);
+  }
 }
+// scss-docs-end alert-modifiers
diff --git a/sass/vendor/bootstrap/scss/_badge.scss b/sass/vendor/bootstrap/scss/_badge.scss
index e5a3298..08df1b8 100755..100644
--- a/sass/vendor/bootstrap/scss/_badge.scss
+++ b/sass/vendor/bootstrap/scss/_badge.scss
@@ -6,14 +6,15 @@
 .badge {
   display: inline-block;
   padding: $badge-padding-y $badge-padding-x;
-  font-size: $badge-font-size;
+  @include font-size($badge-font-size);
   font-weight: $badge-font-weight;
   line-height: 1;
   color: $badge-color;
   text-align: center;
   white-space: nowrap;
   vertical-align: baseline;
-  @include border-radius();
+  @include border-radius($badge-border-radius);
+  @include gradient-bg();
 
   // Empty badges collapse automatically
   &:empty {
@@ -26,52 +27,3 @@
   position: relative;
   top: -1px;
 }
-
-// scss-lint:disable QualifyingElement
-// Add hover effects, but only for links
-a.badge {
-  @include hover-focus {
-    color: $badge-link-hover-color;
-    text-decoration: none;
-    cursor: pointer;
-  }
-}
-// scss-lint:enable QualifyingElement
-
-// Pill badges
-//
-// Make them extra rounded with a modifier to replace v3's badges.
-
-.badge-pill {
-  padding-right: $badge-pill-padding-x;
-  padding-left: $badge-pill-padding-x;
-  @include border-radius($badge-pill-border-radius);
-}
-
-// Colors
-//
-// Contextual variations (linked badges get darker on :hover).
-
-.badge-default {
-  @include badge-variant($badge-default-bg);
-}
-
-.badge-primary {
-  @include badge-variant($badge-primary-bg);
-}
-
-.badge-success {
-  @include badge-variant($badge-success-bg);
-}
-
-.badge-info {
-  @include badge-variant($badge-info-bg);
-}
-
-.badge-warning {
-  @include badge-variant($badge-warning-bg);
-}
-
-.badge-danger {
-  @include badge-variant($badge-danger-bg);
-}
diff --git a/sass/vendor/bootstrap/scss/_breadcrumb.scss b/sass/vendor/bootstrap/scss/_breadcrumb.scss
index 1a09bba..f7fafe7 100755..100644
--- a/sass/vendor/bootstrap/scss/_breadcrumb.scss
+++ b/sass/vendor/bootstrap/scss/_breadcrumb.scss
@@ -1,35 +1,25 @@
 .breadcrumb {
+  display: flex;
+  flex-wrap: wrap;
   padding: $breadcrumb-padding-y $breadcrumb-padding-x;
-  margin-bottom: $spacer-y;
+  margin-bottom: $breadcrumb-margin-bottom;
+  @include font-size($breadcrumb-font-size);
   list-style: none;
   background-color: $breadcrumb-bg;
-  @include border-radius($border-radius);
-  @include clearfix;
+  @include border-radius($breadcrumb-border-radius);
 }
 
 .breadcrumb-item {
-  float: left;
-
   // The separator between breadcrumbs (by default, a forward-slash: "/")
-  + .breadcrumb-item::before {
-    display: inline-block; // Suppress underlining of the separator in modern browsers
-    padding-right: $breadcrumb-item-padding;
-    padding-left: $breadcrumb-item-padding;
-    color: $breadcrumb-divider-color;
-    content: "#{$breadcrumb-divider}";
-  }
+  + .breadcrumb-item {
+    padding-left: $breadcrumb-item-padding-x;
 
-  // IE9-11 hack to properly handle hyperlink underlines for breadcrumbs built
-  // without `<ul>`s. The `::before` pseudo-element generates an element
-  // *within* the .breadcrumb-item and thereby inherits the `text-decoration`.
-  //
-  // To trick IE into suppressing the underline, we give the pseudo-element an
-  // underline and then immediately remove it.
-  + .breadcrumb-item:hover::before {
-    text-decoration: underline;
-  }
-  + .breadcrumb-item:hover::before {
-    text-decoration: none;
+    &::before {
+      float: left; // Suppress inline spacings and underlining of the separator
+      padding-right: $breadcrumb-item-padding-x;
+      color: $breadcrumb-divider-color;
+      content: var(--#{$variable-prefix}breadcrumb-divider, escape-svg($breadcrumb-divider)) #{"/* rtl:"} var(--#{$variable-prefix}breadcrumb-divider, escape-svg($breadcrumb-divider-flipped)) #{"*/"};
+    }
   }
 
   &.active {
diff --git a/sass/vendor/bootstrap/scss/_button-group.scss b/sass/vendor/bootstrap/scss/_button-group.scss
index 584ed15..13aa056 100755..100644
--- a/sass/vendor/bootstrap/scss/_button-group.scss
+++ b/sass/vendor/bootstrap/scss/_button-group.scss
@@ -1,5 +1,3 @@
-// scss-lint:disable QualifyingElement
-
 // Make the div behave like a button
 .btn-group,
 .btn-group-vertical {
@@ -9,32 +7,25 @@
 
   > .btn {
     position: relative;
-    flex: 0 1 auto;
-
-    // Bring the hover, focused, and "active" buttons to the fron to overlay
-    // the borders properly
-    @include hover {
-      z-index: 2;
-    }
-    &:focus,
-    &:active,
-    &.active {
-      z-index: 2;
-    }
+    flex: 1 1 auto;
   }
 
-  // Prevent double borders when buttons are next to each other
-  .btn + .btn,
-  .btn + .btn-group,
-  .btn-group + .btn,
-  .btn-group + .btn-group {
-    margin-left: -$input-btn-border-width;
+  // Bring the hover, focused, and "active" buttons to the front to overlay
+  // the borders properly
+  > .btn-check:checked + .btn,
+  > .btn-check:focus + .btn,
+  > .btn:hover,
+  > .btn:focus,
+  > .btn:active,
+  > .btn.active {
+    z-index: 1;
   }
 }
 
 // Optional: Group multiple button groups together for a toolbar
 .btn-toolbar {
   display: flex;
+  flex-wrap: wrap;
   justify-content: flex-start;
 
   .input-group {
@@ -42,48 +33,30 @@
   }
 }
 
-.btn-group > .btn:not(:first-child):not(:last-child):not(.dropdown-toggle) {
-  border-radius: 0;
-}
-
-// Set corners individual because sometimes a single button can be in a .btn-group and we need :first-child and :last-child to both match
-.btn-group > .btn:first-child {
-  margin-left: 0;
-
-  &:not(:last-child):not(.dropdown-toggle) {
-    @include border-right-radius(0);
+.btn-group {
+  // Prevent double borders when buttons are next to each other
+  > .btn:not(:first-child),
+  > .btn-group:not(:first-child) {
+    margin-left: -$btn-border-width;
   }
-}
-// Need .dropdown-toggle since :last-child doesn't apply given a .dropdown-menu immediately after it
-.btn-group > .btn:last-child:not(:first-child),
-.btn-group > .dropdown-toggle:not(:first-child) {
-  @include border-left-radius(0);
-}
 
-// Custom edits for including btn-groups within btn-groups (useful for including dropdown buttons within a btn-group)
-.btn-group > .btn-group {
-  float: left;
-}
-.btn-group > .btn-group:not(:first-child):not(:last-child) > .btn {
-  border-radius: 0;
-}
-.btn-group > .btn-group:first-child:not(:last-child) {
-  > .btn:last-child,
-  > .dropdown-toggle {
-    @include border-right-radius(0);
+  // Reset rounded corners
+  > .btn:not(:last-child):not(.dropdown-toggle),
+  > .btn-group:not(:last-child) > .btn {
+    @include border-end-radius(0);
   }
-}
-.btn-group > .btn-group:last-child:not(:first-child) > .btn:first-child {
-  @include border-left-radius(0);
-}
 
-// On active and open, don't show outline
-.btn-group .dropdown-toggle:active,
-.btn-group.open .dropdown-toggle {
-  outline: 0;
+  // The left radius should be 0 if the button is:
+  // - the "third or more" child
+  // - the second child and the previous element isn't `.btn-check` (making it the first child visually)
+  // - part of a btn-group which isn't the first child
+  > .btn:nth-child(n + 3),
+  > :not(.btn-check) + .btn,
+  > .btn-group:not(:first-child) > .btn {
+    @include border-start-radius(0);
+  }
 }
 
-
 // Sizing
 //
 // Remix the default button sizing classes into new ones for easier manipulation.
@@ -96,13 +69,19 @@
 // Split button dropdowns
 //
 
-.btn + .dropdown-toggle-split {
+.dropdown-toggle-split {
   padding-right: $btn-padding-x * .75;
   padding-left: $btn-padding-x * .75;
 
-  &::after {
+  &::after,
+  .dropup &::after,
+  .dropend &::after {
     margin-left: 0;
   }
+
+  .dropstart &::before {
+    margin-right: 0;
+  }
 }
 
 .btn-sm + .dropdown-toggle-split {
@@ -117,8 +96,8 @@
 
 
 // The clickable button for toggling the menu
-// Remove the gradient and set the same inset shadow as the :active state
-.btn-group.open .dropdown-toggle {
+// Set the same inset shadow as the :active state
+.btn-group.show .dropdown-toggle {
   @include box-shadow($btn-active-box-shadow);
 
   // Show no shadow for `.btn-link` since it has no other button styles.
@@ -133,70 +112,28 @@
 //
 
 .btn-group-vertical {
-  display: inline-flex;
   flex-direction: column;
   align-items: flex-start;
   justify-content: center;
 
-  .btn,
-  .btn-group {
+  > .btn,
+  > .btn-group {
     width: 100%;
   }
 
-  > .btn + .btn,
-  > .btn + .btn-group,
-  > .btn-group + .btn,
-  > .btn-group + .btn-group {
-    margin-top: -$input-btn-border-width;
-    margin-left: 0;
+  > .btn:not(:first-child),
+  > .btn-group:not(:first-child) {
+    margin-top: -$btn-border-width;
   }
-}
 
-.btn-group-vertical > .btn {
-  &:not(:first-child):not(:last-child) {
-    border-radius: 0;
-  }
-  &:first-child:not(:last-child) {
-    @include border-bottom-radius(0);
-  }
-  &:last-child:not(:first-child) {
-    @include border-top-radius(0);
-  }
-}
-.btn-group-vertical > .btn-group:not(:first-child):not(:last-child) > .btn {
-  border-radius: 0;
-}
-.btn-group-vertical > .btn-group:first-child:not(:last-child) {
-  > .btn:last-child,
-  > .dropdown-toggle {
+  // Reset rounded corners
+  > .btn:not(:last-child):not(.dropdown-toggle),
+  > .btn-group:not(:last-child) > .btn {
     @include border-bottom-radius(0);
   }
-}
-.btn-group-vertical > .btn-group:last-child:not(:first-child) > .btn:first-child {
-  @include border-top-radius(0);
-}
-
-
-// Checkbox and radio options
-//
-// In order to support the browser's form validation feedback, powered by the
-// `required` attribute, we have to "hide" the inputs via `clip`. We cannot use
-// `display: none;` or `visibility: hidden;` as that also hides the popover.
-// Simply visually hiding the inputs via `opacity` would leave them clickable in
-// certain cases which is prevented by using `clip` and `pointer-events`.
-// This way, we ensure a DOM element is visible to position the popover from.
-//
-// See https://github.com/twbs/bootstrap/pull/12794 and
-// https://github.com/twbs/bootstrap/pull/14559 for more information.
 
-[data-toggle="buttons"] {
-  > .btn,
-  > .btn-group > .btn {
-    input[type="radio"],
-    input[type="checkbox"] {
-      position: absolute;
-      clip: rect(0,0,0,0);
-      pointer-events: none;
-    }
+  > .btn ~ .btn,
+  > .btn-group:not(:first-child) > .btn {
+    @include border-top-radius(0);
   }
 }
diff --git a/sass/vendor/bootstrap/scss/_buttons.scss b/sass/vendor/bootstrap/scss/_buttons.scss
index e36ff0f..ee4287c 100755..100644
--- a/sass/vendor/bootstrap/scss/_buttons.scss
+++ b/sass/vendor/bootstrap/scss/_buttons.scss
@@ -1,50 +1,53 @@
-// scss-lint:disable QualifyingElement
-
 //
 // Base styles
 //
 
 .btn {
   display: inline-block;
+  font-family: $btn-font-family;
   font-weight: $btn-font-weight;
   line-height: $btn-line-height;
+  color: $body-color;
   text-align: center;
-  white-space: nowrap;
+  text-decoration: if($link-decoration == none, null, none);
+  white-space: $btn-white-space;
   vertical-align: middle;
+  cursor: if($enable-button-pointers, pointer, null);
   user-select: none;
-  border: $input-btn-border-width solid transparent;
-  @include button-size($btn-padding-y, $btn-padding-x, $font-size-base, $btn-border-radius);
+  background-color: transparent;
+  border: $btn-border-width solid transparent;
+  @include button-size($btn-padding-y, $btn-padding-x, $btn-font-size, $btn-border-radius);
   @include transition($btn-transition);
 
-  // Share hover and focus styles
-  @include hover-focus {
-    text-decoration: none;
+  &:hover {
+    color: $body-color;
+    text-decoration: if($link-hover-decoration == underline, none, null);
   }
-  &:focus,
-  &.focus {
+
+  .btn-check:focus + &,
+  &:focus {
     outline: 0;
     box-shadow: $btn-focus-box-shadow;
   }
 
-  // Disabled comes first so active can properly restyle
-  &.disabled,
-  &:disabled {
-    cursor: $cursor-disabled;
-    opacity: .65;
-    @include box-shadow(none);
-  }
-
+  .btn-check:checked + &,
+  .btn-check:active + &,
   &:active,
   &.active {
-    background-image: none;
-    @include box-shadow($btn-focus-box-shadow, $btn-active-box-shadow);
+    @include box-shadow($btn-active-box-shadow);
+
+    &:focus {
+      @include box-shadow($btn-focus-box-shadow, $btn-active-box-shadow);
+    }
   }
-}
 
-// Future-proof disabling of clicks on `<a>` elements
-a.btn.disabled,
-fieldset[disabled] a.btn {
-  pointer-events: none;
+  &:disabled,
+  &.disabled,
+  fieldset:disabled & {
+    pointer-events: none;
+    opacity: $btn-disabled-opacity;
+    @include box-shadow(none);
+  }
 }
 
 
@@ -52,44 +55,19 @@ fieldset[disabled] a.btn {
 // Alternate buttons
 //
 
-.btn-primary {
-  @include button-variant($btn-primary-color, $btn-primary-bg, $btn-primary-border);
-}
-.btn-secondary {
-  @include button-variant($btn-secondary-color, $btn-secondary-bg, $btn-secondary-border);
-}
-.btn-info {
-  @include button-variant($btn-info-color, $btn-info-bg, $btn-info-border);
-}
-.btn-success {
-  @include button-variant($btn-success-color, $btn-success-bg, $btn-success-border);
-}
-.btn-warning {
-  @include button-variant($btn-warning-color, $btn-warning-bg, $btn-warning-border);
-}
-.btn-danger {
-  @include button-variant($btn-danger-color, $btn-danger-bg, $btn-danger-border);
+// scss-docs-start btn-variant-loops
+@each $color, $value in $theme-colors {
+  .btn-#{$color} {
+    @include button-variant($value, $value);
+  }
 }
 
-// Remove all backgrounds
-.btn-outline-primary {
-  @include button-outline-variant($btn-primary-bg);
-}
-.btn-outline-secondary {
-  @include button-outline-variant($btn-secondary-border);
-}
-.btn-outline-info {
-  @include button-outline-variant($btn-info-bg);
-}
-.btn-outline-success {
-  @include button-outline-variant($btn-success-bg);
-}
-.btn-outline-warning {
-  @include button-outline-variant($btn-warning-bg);
-}
-.btn-outline-danger {
-  @include button-outline-variant($btn-danger-bg);
+@each $color, $value in $theme-colors {
+  .btn-outline-#{$color} {
+    @include button-outline-variant($value);
+  }
 }
+// scss-docs-end btn-variant-loops
 
 
 //
@@ -99,36 +77,24 @@ fieldset[disabled] a.btn {
 // Make a button look and behave like a link
 .btn-link {
   font-weight: $font-weight-normal;
-  color: $link-color;
-  border-radius: 0;
+  color: $btn-link-color;
+  text-decoration: $link-decoration;
 
-  &,
-  &:active,
-  &.active,
-  &:disabled {
-    background-color: transparent;
-    @include box-shadow(none);
-  }
-  &,
-  &:focus,
-  &:active {
-    border-color: transparent;
-  }
-  @include hover {
-    border-color: transparent;
+  &:hover {
+    color: $btn-link-hover-color;
+    text-decoration: $link-hover-decoration;
   }
-  @include hover-focus {
-    color: $link-hover-color;
+
+  &:focus {
     text-decoration: $link-hover-decoration;
-    background-color: transparent;
   }
-  &:disabled {
-    color: $btn-link-disabled-color;
 
-    @include hover-focus {
-      text-decoration: none;
-    }
+  &:disabled,
+  &.disabled {
+    color: $btn-link-disabled-color;
   }
+
+  // No need for an active state here
 }
 
 
@@ -137,34 +103,9 @@ fieldset[disabled] a.btn {
 //
 
 .btn-lg {
-  // line-height: ensure even-numbered height of button next to large input
-  @include button-size($btn-padding-y-lg, $btn-padding-x-lg, $font-size-lg, $btn-border-radius-lg);
+  @include button-size($btn-padding-y-lg, $btn-padding-x-lg, $btn-font-size-lg, $btn-border-radius-lg);
 }
-.btn-sm {
-  // line-height: ensure proper height of button next to small input
-  @include button-size($btn-padding-y-sm, $btn-padding-x-sm, $font-size-sm, $btn-border-radius-sm);
-}
-
-
-//
-// Block button
-//
 
-.btn-block {
-  display: block;
-  width: 100%;
-}
-
-// Vertically space out multiple block buttons
-.btn-block + .btn-block {
-  margin-top: $btn-block-spacing-y;
-}
-
-// Specificity overrides
-input[type="submit"],
-input[type="reset"],
-input[type="button"] {
-  &.btn-block {
-    width: 100%;
-  }
+.btn-sm {
+  @include button-size($btn-padding-y-sm, $btn-padding-x-sm, $btn-font-size-sm, $btn-border-radius-sm);
 }
diff --git a/sass/vendor/bootstrap/scss/_card.scss b/sass/vendor/bootstrap/scss/_card.scss
index 9fe70e8..b077858 100755..100644
--- a/sass/vendor/bootstrap/scss/_card.scss
+++ b/sass/vendor/bootstrap/scss/_card.scss
@@ -6,24 +6,56 @@
   position: relative;
   display: flex;
   flex-direction: column;
+  min-width: 0; // See https://github.com/twbs/bootstrap/pull/22740#issuecomment-305868106
+  height: $card-height;
+  word-wrap: break-word;
   background-color: $card-bg;
+  background-clip: border-box;
   border: $card-border-width solid $card-border-color;
   @include border-radius($card-border-radius);
+
+  > hr {
+    margin-right: 0;
+    margin-left: 0;
+  }
+
+  > .list-group {
+    border-top: inherit;
+    border-bottom: inherit;
+
+    &:first-child {
+      border-top-width: 0;
+      @include border-top-radius($card-inner-border-radius);
+    }
+
+    &:last-child  {
+      border-bottom-width: 0;
+      @include border-bottom-radius($card-inner-border-radius);
+    }
+  }
+
+  // Due to specificity of the above selector (`.card > .list-group`), we must
+  // use a child selector here to prevent double borders.
+  > .card-header + .list-group,
+  > .list-group + .card-footer {
+    border-top: 0;
+  }
 }
 
-.card-block {
+.card-body {
   // Enable `flex-grow: 1` for decks and groups so that card blocks take up
   // as much space as possible, ensuring footers are aligned to the bottom.
   flex: 1 1 auto;
-  padding: $card-spacer-x;
+  padding: $card-spacer-y $card-spacer-x;
+  color: $card-color;
 }
 
 .card-title {
-  margin-bottom: $card-spacer-y;
+  margin-bottom: $card-title-spacer-y;
 }
 
 .card-subtitle {
-  margin-top: -($card-spacer-y / 2);
+  margin-top: -$card-title-spacer-y * .5;
   margin-bottom: 0;
 }
 
@@ -32,7 +64,7 @@
 }
 
 .card-link {
-  @include hover {
+  &:hover {
     text-decoration: none;
   }
 
@@ -41,43 +73,30 @@
   }
 }
 
-.card {
-  > .list-group:first-child {
-    .list-group-item:first-child {
-      @include border-top-radius($card-border-radius);
-    }
-  }
-
-  > .list-group:last-child {
-    .list-group-item:last-child {
-      @include border-bottom-radius($card-border-radius);
-    }
-  }
-}
-
-
 //
 // Optional textual caps
 //
 
 .card-header {
-  padding: $card-spacer-y $card-spacer-x;
+  padding: $card-cap-padding-y $card-cap-padding-x;
   margin-bottom: 0; // Removes the default margin-bottom of <hN>
+  color: $card-cap-color;
   background-color: $card-cap-bg;
   border-bottom: $card-border-width solid $card-border-color;
 
   &:first-child {
-    @include border-radius($card-border-radius-inner $card-border-radius-inner 0 0);
+    @include border-radius($card-inner-border-radius $card-inner-border-radius 0 0);
   }
 }
 
 .card-footer {
-  padding: $card-spacer-y $card-spacer-x;
+  padding: $card-cap-padding-y $card-cap-padding-x;
+  color: $card-cap-color;
   background-color: $card-cap-bg;
   border-top: $card-border-width solid $card-border-color;
 
   &:last-child {
-    @include border-radius(0 0 $card-border-radius-inner $card-border-radius-inner);
+    @include border-radius(0 0 $card-inner-border-radius $card-inner-border-radius);
   }
 }
 
@@ -87,81 +106,25 @@
 //
 
 .card-header-tabs {
-  margin-right: -($card-spacer-x / 2);
-  margin-bottom: -$card-spacer-y;
-  margin-left: -($card-spacer-x / 2);
+  margin-right: -$card-cap-padding-x * .5;
+  margin-bottom: -$card-cap-padding-y;
+  margin-left: -$card-cap-padding-x * .5;
   border-bottom: 0;
-}
-
-.card-header-pills {
-  margin-right: -($card-spacer-x / 2);
-  margin-left: -($card-spacer-x / 2);
-}
-
-
-//
-// Background variations
-//
-
-.card-primary {
-  @include card-variant($brand-primary, $brand-primary);
-}
-.card-success {
-  @include card-variant($brand-success, $brand-success);
-}
-.card-info {
-  @include card-variant($brand-info, $brand-info);
-}
-.card-warning {
-  @include card-variant($brand-warning, $brand-warning);
-}
-.card-danger {
-  @include card-variant($brand-danger, $brand-danger);
-}
-
-// Remove all backgrounds
-.card-outline-primary {
-  @include card-outline-variant($btn-primary-bg);
-}
-.card-outline-secondary {
-  @include card-outline-variant($btn-secondary-border);
-}
-.card-outline-info {
-  @include card-outline-variant($btn-info-bg);
-}
-.card-outline-success {
-  @include card-outline-variant($btn-success-bg);
-}
-.card-outline-warning {
-  @include card-outline-variant($btn-warning-bg);
-}
-.card-outline-danger {
-  @include card-outline-variant($btn-danger-bg);
-}
-
-//
-// Inverse text within a card for use with dark backgrounds
-//
 
-.card-inverse {
-  @include card-inverse;
+  @if $nav-tabs-link-active-bg != $card-bg {
+    .nav-link.active {
+      background-color: $card-bg;
+      border-bottom-color: $card-bg;
+    }
+  }
 }
 
-//
-// Blockquote
-//
-
-.card-blockquote {
-  padding: 0;
-  margin-bottom: 0;
-  border-left: 0;
+.card-header-pills {
+  margin-right: -$card-cap-padding-x * .5;
+  margin-left: -$card-cap-padding-x * .5;
 }
 
 // Card image
-.card-img {
-  // margin: -1.325rem;
-  @include border-radius($card-border-radius-inner);
-}
 .card-img-overlay {
   position: absolute;
   top: 0;
@@ -169,38 +132,23 @@
   bottom: 0;
   left: 0;
   padding: $card-img-overlay-padding;
+  @include border-radius($card-inner-border-radius);
 }
 
-
-
-// Card image caps
-.card-img-top {
-  @include border-top-radius($card-border-radius-inner);
-}
+.card-img,
+.card-img-top,
 .card-img-bottom {
-  @include border-bottom-radius($card-border-radius-inner);
+  width: 100%; // Required because we use flexbox and this inherently applies align-self: stretch
 }
 
+.card-img,
+.card-img-top {
+  @include border-top-radius($card-inner-border-radius);
+}
 
-// Card deck
-
-@include media-breakpoint-up(sm) {
-  .card-deck {
-    display: flex;
-    flex-flow: row wrap;
-
-    .card {
-      display: flex;
-      flex: 1 0 0;
-      flex-direction: column;
-
-      // Selectively apply horizontal margins to cards to avoid doing the
-      // negative margin dance like our grid. This differs from the grid
-      // due to the use of margins as gutters instead of padding.
-      &:not(:first-child) { margin-left: $card-deck-margin; }
-      &:not(:last-child) { margin-right: $card-deck-margin; }
-    }
-  }
+.card-img,
+.card-img-bottom {
+  @include border-bottom-radius($card-inner-border-radius);
 }
 
 
@@ -208,13 +156,22 @@
 // Card groups
 //
 
-@include media-breakpoint-up(sm) {
-  .card-group {
+.card-group {
+  // The child selector allows nested `.card` within `.card-group`
+  // to display properly.
+  > .card {
+    margin-bottom: $card-group-margin;
+  }
+
+  @include media-breakpoint-up(sm) {
     display: flex;
     flex-flow: row wrap;
-
-    .card {
-      flex: 1 0 0;
+    // The child selector allows nested `.card` within `.card-group`
+    // to display properly.
+    > .card {
+      // Flexbugs #4: https://github.com/philipwalton/flexbugs#flexbug-4
+      flex: 1 0 0%;
+      margin-bottom: 0;
 
       + .card {
         margin-left: 0;
@@ -223,54 +180,36 @@
 
       // Handle rounded corners
       @if $enable-rounded {
-        &:first-child {
-          @include border-right-radius(0);
+        &:not(:last-child) {
+          @include border-end-radius(0);
 
-          .card-img-top {
+          .card-img-top,
+          .card-header {
+            // stylelint-disable-next-line property-disallowed-list
             border-top-right-radius: 0;
           }
-          .card-img-bottom {
+          .card-img-bottom,
+          .card-footer {
+            // stylelint-disable-next-line property-disallowed-list
             border-bottom-right-radius: 0;
           }
         }
-        &:last-child {
-          @include border-left-radius(0);
 
-          .card-img-top {
+        &:not(:first-child) {
+          @include border-start-radius(0);
+
+          .card-img-top,
+          .card-header {
+            // stylelint-disable-next-line property-disallowed-list
             border-top-left-radius: 0;
           }
-          .card-img-bottom {
+          .card-img-bottom,
+          .card-footer {
+            // stylelint-disable-next-line property-disallowed-list
             border-bottom-left-radius: 0;
           }
         }
-
-        &:not(:first-child):not(:last-child) {
-          border-radius: 0;
-
-          .card-img-top,
-          .card-img-bottom {
-            border-radius: 0;
-          }
-        }
       }
     }
   }
 }
-
-
-//
-// Columns
-//
-
-@include media-breakpoint-up(sm) {
-  .card-columns {
-    column-count: $card-columns-count;
-    column-gap: $card-columns-gap;
-
-    .card {
-      display: inline-block; // Don't let them vertically span multiple columns
-      width: 100%; // Don't let their width change
-      margin-bottom: $card-columns-margin;
-    }
-  }
-}
diff --git a/sass/vendor/bootstrap/scss/_carousel.scss b/sass/vendor/bootstrap/scss/_carousel.scss
index 54478e4..3d8fb15 100755..100644
--- a/sass/vendor/bootstrap/scss/_carousel.scss
+++ b/sass/vendor/bootstrap/scss/_carousel.scss
@@ -1,53 +1,84 @@
-// Wrapper for the slide container and indicators
+// Notes on the classes:
+//
+// 1. .carousel.pointer-event should ideally be pan-y (to allow for users to scroll vertically)
+//    even when their scroll action started on a carousel, but for compatibility (with Firefox)
+//    we're preventing all actions instead
+// 2. The .carousel-item-start and .carousel-item-end is used to indicate where
+//    the active slide is heading.
+// 3. .active.carousel-item is the current slide.
+// 4. .active.carousel-item-start and .active.carousel-item-end is the current
+//    slide in its in-transition state. Only one of these occurs at a time.
+// 5. .carousel-item-next.carousel-item-start and .carousel-item-prev.carousel-item-end
+//    is the upcoming slide in transition.
+
 .carousel {
   position: relative;
 }
 
+.carousel.pointer-event {
+  touch-action: pan-y;
+}
+
 .carousel-inner {
   position: relative;
   width: 100%;
   overflow: hidden;
+  @include clearfix();
 }
 
 .carousel-item {
   position: relative;
   display: none;
+  float: left;
   width: 100%;
-
-  @include if-supports-3d-transforms() {
-    @include transition($carousel-transition);
-    backface-visibility: hidden;
-    perspective: 1000px;
-  }
+  margin-right: -100%;
+  backface-visibility: hidden;
+  @include transition($carousel-transition);
 }
 
 .carousel-item.active,
 .carousel-item-next,
 .carousel-item-prev {
-  display: flex;
+  display: block;
 }
 
-.carousel-item-next,
-.carousel-item-prev {
-  position: absolute;
-  top: 0;
+/* rtl:begin:ignore */
+.carousel-item-next:not(.carousel-item-start),
+.active.carousel-item-end {
+  transform: translateX(100%);
+}
+
+.carousel-item-prev:not(.carousel-item-end),
+.active.carousel-item-start {
+  transform: translateX(-100%);
 }
 
-// CSS3 transforms when supported by the browser
-@include if-supports-3d-transforms() {
-  .carousel-item-next.carousel-item-left,
-  .carousel-item-prev.carousel-item-right {
-    transform: translate3d(0, 0, 0);
+/* rtl:end:ignore */
+
+
+//
+// Alternate transitions
+//
+
+.carousel-fade {
+  .carousel-item {
+    opacity: 0;
+    transition-property: opacity;
+    transform: none;
   }
 
-  .carousel-item-next,
-  .active.carousel-item-right {
-    transform: translate3d(100%, 0, 0);
+  .carousel-item.active,
+  .carousel-item-next.carousel-item-start,
+  .carousel-item-prev.carousel-item-end {
+    z-index: 1;
+    opacity: 1;
   }
 
-  .carousel-item-prev,
-  .active.carousel-item-left {
-    transform: translate3d(-100%, 0, 0);
+  .active.carousel-item-start,
+  .active.carousel-item-end {
+    z-index: 0;
+    opacity: 0;
+    @include transition(opacity 0s $carousel-transition-duration);
   }
 }
 
@@ -61,30 +92,36 @@
   position: absolute;
   top: 0;
   bottom: 0;
+  z-index: 1;
   // Use flex for alignment (1-3)
   display: flex; // 1. allow flex styles
   align-items: center; // 2. vertically center contents
   justify-content: center; // 3. horizontally center contents
   width: $carousel-control-width;
+  padding: 0;
   color: $carousel-control-color;
   text-align: center;
+  background: none;
+  border: 0;
   opacity: $carousel-control-opacity;
-  // We can't have a transition here because WebKit cancels the carousel
-  // animation if you trip this while in the middle of another animation.
+  @include transition($carousel-control-transition);
 
   // Hover/focus state
-  @include hover-focus {
+  &:hover,
+  &:focus {
     color: $carousel-control-color;
     text-decoration: none;
     outline: 0;
-    opacity: .9;
+    opacity: $carousel-control-hover-opacity;
   }
 }
 .carousel-control-prev {
   left: 0;
+  background-image: if($enable-gradients, linear-gradient(90deg, rgba($black, .25), rgba($black, .001)), null);
 }
 .carousel-control-next {
   right: 0;
+  background-image: if($enable-gradients, linear-gradient(270deg, rgba($black, .25), rgba($black, .001)), null);
 }
 
 // Icons for within
@@ -93,70 +130,68 @@
   display: inline-block;
   width: $carousel-control-icon-width;
   height: $carousel-control-icon-width;
-  background: transparent no-repeat center center;
+  background-repeat: no-repeat;
+  background-position: 50%;
   background-size: 100% 100%;
 }
+
+/* rtl:options: {
+  "autoRename": true,
+  "stringMap":[ {
+    "name"    : "prev-next",
+    "search"  : "prev",
+    "replace" : "next"
+  } ]
+} */
 .carousel-control-prev-icon {
-  background-image: $carousel-control-prev-icon-bg;
+  background-image: escape-svg($carousel-control-prev-icon-bg);
 }
 .carousel-control-next-icon {
-  background-image: $carousel-control-next-icon-bg;
+  background-image: escape-svg($carousel-control-next-icon-bg);
 }
 
-
-// Optional indicator pips
+// Optional indicator pips/controls
 //
-// Add an ordered list with the following class and add a list item for each
-// slide your carousel holds.
+// Add a container (such as a list) with the following class and add an item (ideally a focusable control,
+// like a button) with data-bs-target for each slide your carousel holds.
 
 .carousel-indicators {
   position: absolute;
   right: 0;
-  bottom: 10px;
+  bottom: 0;
   left: 0;
-  z-index: 15;
+  z-index: 2;
   display: flex;
   justify-content: center;
-  padding-left: 0; // override <ol> default
+  padding: 0;
   // Use the .carousel-control's width as margin so we don't overlay those
   margin-right: $carousel-control-width;
+  margin-bottom: 1rem;
   margin-left: $carousel-control-width;
   list-style: none;
 
-  li {
-    position: relative;
-    flex: 1 0 auto;
-    max-width: $carousel-indicator-width;
+  [data-bs-target] {
+    box-sizing: content-box;
+    flex: 0 1 auto;
+    width: $carousel-indicator-width;
     height: $carousel-indicator-height;
+    padding: 0;
     margin-right: $carousel-indicator-spacer;
     margin-left: $carousel-indicator-spacer;
     text-indent: -999px;
     cursor: pointer;
-    background-color: rgba($carousel-indicator-active-bg, .5);
-
-    // Use pseudo classes to increase the hit area by 10px on top and bottom.
-    &::before {
-      position: absolute;
-      top: -10px;
-      left: 0;
-      display: inline-block;
-      width: 100%;
-      height: 10px;
-      content: "";
-    }
-    &::after {
-      position: absolute;
-      bottom: -10px;
-      left: 0;
-      display: inline-block;
-      width: 100%;
-      height: 10px;
-      content: "";
-    }
+    background-color: $carousel-indicator-active-bg;
+    background-clip: padding-box;
+    border: 0;
+    // Use transparent borders to increase the hit area by 10px on top and bottom.
+    border-top: $carousel-indicator-hit-area-height solid transparent;
+    border-bottom: $carousel-indicator-hit-area-height solid transparent;
+    opacity: $carousel-indicator-opacity;
+    @include transition($carousel-indicator-transition);
   }
 
   .active {
-    background-color: $carousel-indicator-active-bg;
+    opacity: $carousel-indicator-active-opacity;
   }
 }
 
@@ -167,12 +202,28 @@
 
 .carousel-caption {
   position: absolute;
-  right: ((100% - $carousel-caption-width) / 2);
-  bottom: 20px;
-  left: ((100% - $carousel-caption-width) / 2);
-  z-index: 10;
-  padding-top: 20px;
-  padding-bottom: 20px;
+  right: (100% - $carousel-caption-width) * .5;
+  bottom: $carousel-caption-spacer;
+  left: (100% - $carousel-caption-width) * .5;
+  padding-top: $carousel-caption-padding-y;
+  padding-bottom: $carousel-caption-padding-y;
   color: $carousel-caption-color;
   text-align: center;
 }
+
+// Dark mode carousel
+
+.carousel-dark {
+  .carousel-control-prev-icon,
+  .carousel-control-next-icon {
+    filter: $carousel-dark-control-icon-filter;
+  }
+
+  .carousel-indicators [data-bs-target] {
+    background-color: $carousel-dark-indicator-active-bg;
+  }
+
+  .carousel-caption {
+    color: $carousel-dark-caption-color;
+  }
+}
diff --git a/sass/vendor/bootstrap/scss/_close.scss b/sass/vendor/bootstrap/scss/_close.scss
index 859990e..32a0f68 100755..100644
--- a/sass/vendor/bootstrap/scss/_close.scss
+++ b/sass/vendor/bootstrap/scss/_close.scss
@@ -1,31 +1,40 @@
-.close {
-  float: right;
-  font-size: $close-font-size;
-  font-weight: $close-font-weight;
-  line-height: 1;
-  color: $close-color;
-  text-shadow: $close-text-shadow;
-  opacity: .5;
+// transparent background and border properties included for button version.
+// iOS requires the button element instead of an anchor tag.
+// If you want the anchor version, it requires `href="#"`.
+// See https://developer.mozilla.org/en-US/docs/Web/Events/click#Safari_Mobile
 
-  @include hover-focus {
-    color: $close-color;
+.btn-close {
+  box-sizing: content-box;
+  width: $btn-close-width;
+  height: $btn-close-height;
+  padding: $btn-close-padding-y $btn-close-padding-x;
+  color: $btn-close-color;
+  background: transparent escape-svg($btn-close-bg) center / $btn-close-width auto no-repeat; // include transparent for button elements
+  border: 0; // for button elements
+  @include border-radius();
+  opacity: $btn-close-opacity;
+
+  // Override <a>'s hover style
+  &:hover {
+    color: $btn-close-color;
     text-decoration: none;
-    cursor: pointer;
-    opacity: .75;
+    opacity: $btn-close-hover-opacity;
   }
-}
 
-// Additional properties for button version
-// iOS requires the button element instead of an anchor tag.
-// If you want the anchor version, it requires `href="#"`.
-// See https://developer.mozilla.org/en-US/docs/Web/Events/click#Safari_Mobile
+  &:focus {
+    outline: 0;
+    box-shadow: $btn-close-focus-shadow;
+    opacity: $btn-close-focus-opacity;
+  }
+
+  &:disabled,
+  &.disabled {
+    pointer-events: none;
+    user-select: none;
+    opacity: $btn-close-disabled-opacity;
+  }
+}
 
-// scss-lint:disable QualifyingElement
-button.close {
-  padding: 0;
-  cursor: pointer;
-  background: transparent;
-  border: 0;
-  -webkit-appearance: none;
+.btn-close-white {
+  filter: $btn-close-white-filter;
 }
-// scss-lint:enable QualifyingElement
diff --git a/sass/vendor/bootstrap/scss/_code.scss b/sass/vendor/bootstrap/scss/_code.scss
deleted file mode 100755
index 759da15..0000000
--- a/sass/vendor/bootstrap/scss/_code.scss
+++ /dev/null
@@ -1,64 +0,0 @@
-// Inline and block code styles
-code,
-kbd,
-pre,
-samp {
-  font-family: $font-family-monospace;
-}
-
-// Inline code
-code {
-  padding: $code-padding-y $code-padding-x;
-  font-size: $code-font-size;
-  color: $code-color;
-  background-color: $code-bg;
-  @include border-radius($border-radius);
-
-  // Streamline the style when inside anchors to avoid broken underline and more
-  a > & {
-    padding: 0;
-    color: inherit;
-    background-color: inherit;
-  }
-}
-
-// User input typically entered via keyboard
-kbd {
-  padding: $code-padding-y $code-padding-x;
-  font-size: $code-font-size;
-  color: $kbd-color;
-  background-color: $kbd-bg;
-  @include border-radius($border-radius-sm);
-  @include box-shadow($kbd-box-shadow);
-
-  kbd {
-    padding: 0;
-    font-size: 100%;
-    font-weight: $nested-kbd-font-weight;
-    @include box-shadow(none);
-  }
-}
-
-// Blocks of code
-pre {
-  display: block;
-  margin-top: 0;
-  margin-bottom: 1rem;
-  font-size: $code-font-size;
-  color: $pre-color;
-
-  // Account for some code outputs that place code tags in pre tags
-  code {
-    padding: 0;
-    font-size: inherit;
-    color: inherit;
-    background-color: transparent;
-    border-radius: 0;
-  }
-}
-
-// Enable scrollable blocks of code
-.pre-scrollable {
-  max-height: $pre-scrollable-max-height;
-  overflow-y: scroll;
-}
diff --git a/sass/vendor/bootstrap/scss/_containers.scss b/sass/vendor/bootstrap/scss/_containers.scss
new file mode 100644
index 0000000..f88f1e5
--- /dev/null
+++ b/sass/vendor/bootstrap/scss/_containers.scss
@@ -0,0 +1,41 @@
+// Container widths
+//
+// Set the container width, and override it for fixed navbars in media queries.
+
+@if $enable-grid-classes {
+  // Single container class with breakpoint max-widths
+  .container,
+  // 100% wide container at all breakpoints
+  .container-fluid {
+    @include make-container();
+  }
+
+  // Responsive containers that are 100% wide until a breakpoint
+  @each $breakpoint, $container-max-width in $container-max-widths {
+    .container-#{$breakpoint} {
+      @extend .container-fluid;
+    }
+
+    @include media-breakpoint-up($breakpoint, $grid-breakpoints) {
+      %responsive-container-#{$breakpoint} {
+        max-width: $container-max-width;
+      }
+
+      // Extend each breakpoint which is smaller or equal to the current breakpoint
+      $extend-breakpoint: true;
+
+      @each $name, $width in $grid-breakpoints {
+        @if ($extend-breakpoint) {
+          .container#{breakpoint-infix($name, $grid-breakpoints)} {
+            @extend %responsive-container-#{$breakpoint};
+          }
+
+          // Once the current breakpoint is reached, stop extending
+          @if ($breakpoint == $name) {
+            $extend-breakpoint: false;
+          }
+        }
+      }
+    }
+  }
+}
diff --git a/sass/vendor/bootstrap/scss/_custom-forms.scss b/sass/vendor/bootstrap/scss/_custom-forms.scss
deleted file mode 100755
index ef2aab3..0000000
--- a/sass/vendor/bootstrap/scss/_custom-forms.scss
+++ /dev/null
@@ -1,263 +0,0 @@
-// scss-lint:disable PropertyCount
-
-// Embedded icons from Open Iconic.
-// Released under MIT and copyright 2014 Waybury.
-// https://useiconic.com/open
-
-
-// Checkboxes and radios
-//
-// Base class takes care of all the key behavioral aspects.
-
-.custom-control {
-  position: relative;
-  display: inline-flex;
-  min-height: (1rem * $line-height-base);
-  padding-left: $custom-control-gutter;
-  margin-right: $custom-control-spacer-x;
-  cursor: pointer;
-}
-
-.custom-control-input {
-  position: absolute;
-  z-index: -1; // Put the input behind the label so it doesn't overlay text
-  opacity: 0;
-
-  &:checked ~ .custom-control-indicator {
-    color: $custom-control-checked-indicator-color;
-    background-color: $custom-control-checked-indicator-bg;
-    @include box-shadow($custom-control-checked-indicator-box-shadow);
-  }
-
-  &:focus ~ .custom-control-indicator {
-    // the mixin is not used here to make sure there is feedback
-    box-shadow: $custom-control-focus-indicator-box-shadow;
-  }
-
-  &:active ~ .custom-control-indicator {
-    color: $custom-control-active-indicator-color;
-    background-color: $custom-control-active-indicator-bg;
-    @include box-shadow($custom-control-active-indicator-box-shadow);
-  }
-
-  &:disabled {
-    ~ .custom-control-indicator {
-      cursor: $custom-control-disabled-cursor;
-      background-color: $custom-control-disabled-indicator-bg;
-    }
-
-    ~ .custom-control-description {
-      color: $custom-control-disabled-description-color;
-      cursor: $custom-control-disabled-cursor;
-    }
-  }
-}
-
-// Custom indicator
-//
-// Generates a shadow element to create our makeshift checkbox/radio background.
-
-.custom-control-indicator {
-  position: absolute;
-  top: (($line-height-base - $custom-control-indicator-size) / 2);
-  left: 0;
-  display: block;
-  width: $custom-control-indicator-size;
-  height: $custom-control-indicator-size;
-  pointer-events: none;
-  user-select: none;
-  background-color: $custom-control-indicator-bg;
-  background-repeat: no-repeat;
-  background-position: center center;
-  background-size: $custom-control-indicator-bg-size;
-  @include box-shadow($custom-control-indicator-box-shadow);
-}
-
-// Checkboxes
-//
-// Tweak just a few things for checkboxes.
-
-.custom-checkbox {
-  .custom-control-indicator {
-    @include border-radius($custom-checkbox-radius);
-  }
-
-  .custom-control-input:checked ~ .custom-control-indicator {
-    background-image: $custom-checkbox-checked-icon;
-  }
-
-  .custom-control-input:indeterminate ~ .custom-control-indicator {
-    background-color: $custom-checkbox-indeterminate-bg;
-    background-image: $custom-checkbox-indeterminate-icon;
-    @include box-shadow($custom-checkbox-indeterminate-box-shadow);
-  }
-}
-
-// Radios
-//
-// Tweak just a few things for radios.
-
-.custom-radio {
-  .custom-control-indicator {
-    border-radius: $custom-radio-radius;
-  }
-
-  .custom-control-input:checked ~ .custom-control-indicator {
-    background-image: $custom-radio-checked-icon;
-  }
-}
-
-
-// Layout options
-//
-// By default radios and checkboxes are `inline-block` with no additional spacing
-// set. Use these optional classes to tweak the layout.
-
-.custom-controls-stacked {
-  display: flex;
-  flex-direction: column;
-
-  .custom-control {
-    margin-bottom: $custom-control-spacer-y;
-
-    + .custom-control {
-      margin-left: 0;
-    }
-  }
-}
-
-
-// Select
-//
-// Replaces the browser default select with a custom one, mostly pulled from
-// http://primercss.io.
-//
-
-.custom-select {
-  display: inline-block;
-  max-width: 100%;
-  $select-border-width: ($border-width * 2);
-  height: calc(#{$input-height} + #{$select-border-width});
-  padding: $custom-select-padding-y ($custom-select-padding-x + $custom-select-indicator-padding) $custom-select-padding-y $custom-select-padding-x;
-  line-height: $custom-select-line-height;
-  color: $custom-select-color;
-  vertical-align: middle;
-  background: $custom-select-bg $custom-select-indicator no-repeat right $custom-select-padding-x center;
-  background-size: $custom-select-bg-size;
-  border: $custom-select-border-width solid $custom-select-border-color;
-  @include border-radius($custom-select-border-radius);
-  // Use vendor prefixes as `appearance` isn't part of the CSS spec.
-  -moz-appearance: none;
-  -webkit-appearance: none;
-
-  &:focus {
-    border-color: $custom-select-focus-border-color;
-    outline: none;
-    @include box-shadow($custom-select-focus-box-shadow);
-
-    &::-ms-value {
-      // For visual consistency with other platforms/browsers,
-      // supress the default white text on blue background highlight given to
-      // the selected option text when the (still closed) <select> receives focus
-      // in IE and (under certain conditions) Edge.
-      // See https://github.com/twbs/bootstrap/issues/19398.
-      color: $input-color;
-      background-color: $input-bg;
-    }
-  }
-
-  &:disabled {
-    color: $custom-select-disabled-color;
-    cursor: $cursor-disabled;
-    background-color: $custom-select-disabled-bg;
-  }
-
-  // Hides the default caret in IE11
-  &::-ms-expand {
-    opacity: 0;
-  }
-}
-
-.custom-select-sm {
-  padding-top: $custom-select-padding-y;
-  padding-bottom: $custom-select-padding-y;
-  font-size: $custom-select-sm-font-size;
-
-  // &:not([multiple]) {
-  //   height: 26px;
-  //   min-height: 26px;
-  // }
-}
-
-
-// File
-//
-// Custom file input.
-
-.custom-file {
-  position: relative;
-  display: inline-block;
-  max-width: 100%;
-  height: $custom-file-height;
-  margin-bottom: 0;
-  cursor: pointer;
-}
-
-.custom-file-input {
-  min-width: $custom-file-width;
-  max-width: 100%;
-  height: $custom-file-height;
-  margin: 0;
-  filter: alpha(opacity = 0);
-  opacity: 0;
-
-  &:focus ~ .custom-file-control {
-    @include box-shadow($custom-file-focus-box-shadow);
-  }
-}
-
-.custom-file-control {
-  position: absolute;
-  top: 0;
-  right: 0;
-  left: 0;
-  z-index: 5;
-  height: $custom-file-height;
-  padding: $custom-file-padding-x $custom-file-padding-y;
-  line-height: $custom-file-line-height;
-  color: $custom-file-color;
-  pointer-events: none;
-  user-select: none;
-  background-color: $custom-file-bg;
-  border: $custom-file-border-width solid $custom-file-border-color;
-  @include border-radius($custom-file-border-radius);
-  @include box-shadow($custom-file-box-shadow);
-
-  @each $lang, $text in map-get($custom-file-text, placeholder) {
-    &:lang(#{$lang})::after {
-      content: $text;
-    }
-  }
-
-  &::before {
-    position: absolute;
-    top: -$custom-file-border-width;
-    right: -$custom-file-border-width;
-    bottom: -$custom-file-border-width;
-    z-index: 6;
-    display: block;
-    height: $custom-file-height;
-    padding: $custom-file-padding-x $custom-file-padding-y;
-    line-height: $custom-file-line-height;
-    color: $custom-file-button-color;
-    background-color: $custom-file-button-bg;
-    border: $custom-file-border-width solid $custom-file-border-color;
-    @include border-radius(0 $custom-file-border-radius $custom-file-border-radius 0);
-  }
-
-  @each $lang, $text in map-get($custom-file-text, button-label) {
-    &:lang(#{$lang})::before {
-      content: $text;
-    }
-  }
-}
diff --git a/sass/vendor/bootstrap/scss/_custom.scss b/sass/vendor/bootstrap/scss/_custom.scss
deleted file mode 100755
index 88ccf20..0000000
--- a/sass/vendor/bootstrap/scss/_custom.scss
+++ /dev/null
@@ -1,4 +0,0 @@
-// Bootstrap overrides
-//
-// Copy variables from `_variables.scss` to this file to override default values
-// without modifying source files.
diff --git a/sass/vendor/bootstrap/scss/_dropdown.scss b/sass/vendor/bootstrap/scss/_dropdown.scss
index 1c2741a..adc1143 100755..100644
--- a/sass/vendor/bootstrap/scss/_dropdown.scss
+++ b/sass/vendor/bootstrap/scss/_dropdown.scss
@@ -1,63 +1,128 @@
 // The dropdown wrapper (`<div>`)
 .dropup,
-.dropdown {
+.dropend,
+.dropdown,
+.dropstart {
   position: relative;
 }
 
 .dropdown-toggle {
-  // Generate the caret automatically
-  &::after {
-    display: inline-block;
-    width: 0;
-    height: 0;
-    margin-left: $caret-width;
-    vertical-align: middle;
-    content: "";
-    border-top: $caret-width solid;
-    border-right: $caret-width solid transparent;
-    border-left: $caret-width solid transparent;
-  }
-
-  // Prevent the focus on the dropdown toggle when closing dropdowns
-  &:focus {
-    outline: 0;
-  }
-}
+  white-space: nowrap;
 
-.dropup {
-  .dropdown-toggle {
-    &::after {
-      border-top: 0;
-      border-bottom: $caret-width solid;
-    }
-  }
+  // Generate the caret automatically
+  @include caret();
 }
 
 // The dropdown menu
 .dropdown-menu {
   position: absolute;
-  top: 100%;
-  left: 0;
   z-index: $zindex-dropdown;
   display: none; // none by default, but block on "open" of the menu
-  float: left;
   min-width: $dropdown-min-width;
-  padding: $dropdown-padding-y 0;
-  margin: $dropdown-margin-top 0 0; // override default ul
-  font-size: $font-size-base; // Redeclare because nesting can cause inheritance issues
-  color: $body-color;
+  padding: $dropdown-padding-y $dropdown-padding-x;
+  margin: 0; // Override default margin of ul
+  @include font-size($dropdown-font-size);
+  color: $dropdown-color;
   text-align: left; // Ensures proper alignment if parent has it changed (e.g., modal footer)
   list-style: none;
   background-color: $dropdown-bg;
   background-clip: padding-box;
   border: $dropdown-border-width solid $dropdown-border-color;
-  @include border-radius($border-radius);
+  @include border-radius($dropdown-border-radius);
   @include box-shadow($dropdown-box-shadow);
+
+  &[data-bs-popper] {
+    top: 100%;
+    left: 0;
+    margin-top: $dropdown-spacer;
+  }
+}
+
+// scss-docs-start responsive-breakpoints
+// We deliberately hardcode the `bs-` prefix because we check
+// this custom property in JS to determine Popper's positioning
+
+@each $breakpoint in map-keys($grid-breakpoints) {
+  @include media-breakpoint-up($breakpoint) {
+    $infix: breakpoint-infix($breakpoint, $grid-breakpoints);
+
+    .dropdown-menu#{$infix}-start {
+      --bs-position: start;
+
+      &[data-bs-popper] {
+        right: auto;
+        left: 0;
+      }
+    }
+
+    .dropdown-menu#{$infix}-end {
+      --bs-position: end;
+
+      &[data-bs-popper] {
+        right: 0;
+        left: auto;
+      }
+    }
+  }
+}
+// scss-docs-end responsive-breakpoints
+
+// Allow for dropdowns to go bottom up (aka, dropup-menu)
+// Just add .dropup after the standard .dropdown class and you're set.
+.dropup {
+  .dropdown-menu[data-bs-popper] {
+    top: auto;
+    bottom: 100%;
+    margin-top: 0;
+    margin-bottom: $dropdown-spacer;
+  }
+
+  .dropdown-toggle {
+    @include caret(up);
+  }
+}
+
+.dropend {
+  .dropdown-menu[data-bs-popper] {
+    top: 0;
+    right: auto;
+    left: 100%;
+    margin-top: 0;
+    margin-left: $dropdown-spacer;
+  }
+
+  .dropdown-toggle {
+    @include caret(end);
+    &::after {
+      vertical-align: 0;
+    }
+  }
+}
+
+.dropstart {
+  .dropdown-menu[data-bs-popper] {
+    top: 0;
+    right: 100%;
+    left: auto;
+    margin-top: 0;
+    margin-right: $dropdown-spacer;
+  }
+
+  .dropdown-toggle {
+    @include caret(start);
+    &::before {
+      vertical-align: 0;
+    }
+  }
 }
 
+
 // Dividers (basically an `<hr>`) within the dropdown
 .dropdown-divider {
-  @include nav-divider($dropdown-divider-bg);
+  height: 0;
+  margin: $dropdown-divider-margin-y 0;
+  overflow: hidden;
+  border-top: 1px solid $dropdown-divider-bg;
 }
 
 // Links, buttons, and more within the dropdown menu
@@ -66,96 +131,110 @@
 .dropdown-item {
   display: block;
   width: 100%; // For `<button>`s
-  padding: 3px $dropdown-item-padding-x;
+  padding: $dropdown-item-padding-y $dropdown-item-padding-x;
   clear: both;
   font-weight: $font-weight-normal;
   color: $dropdown-link-color;
   text-align: inherit; // For `<button>`s
+  text-decoration: if($link-decoration == none, null, none);
   white-space: nowrap; // prevent links from randomly breaking onto new lines
-  background: none; // For `<button>`s
+  background-color: transparent; // For `<button>`s
   border: 0; // For `<button>`s
 
-  @include hover-focus {
+  // Prevent dropdown overflow if there's no padding
+  // See https://github.com/twbs/bootstrap/pull/27703
+  @if $dropdown-padding-y == 0 {
+    &:first-child {
+      @include border-top-radius($dropdown-inner-border-radius);
+    }
+
+    &:last-child {
+      @include border-bottom-radius($dropdown-inner-border-radius);
+    }
+  }
+
+  &:hover,
+  &:focus {
     color: $dropdown-link-hover-color;
-    text-decoration: none;
-    background-color: $dropdown-link-hover-bg;
+    text-decoration: if($link-hover-decoration == underline, none, null);
+    @include gradient-bg($dropdown-link-hover-bg);
   }
 
   &.active,
   &:active {
     color: $dropdown-link-active-color;
     text-decoration: none;
-    background-color: $dropdown-link-active-bg;
+    @include gradient-bg($dropdown-link-active-bg);
   }
 
   &.disabled,
   &:disabled {
     color: $dropdown-link-disabled-color;
-    cursor: $cursor-disabled;
+    pointer-events: none;
     background-color: transparent;
     // Remove CSS gradients if they're enabled
-    @if $enable-gradients {
-      background-image: none;
-    }
-  }
-}
-
-// Open state for the dropdown
-.show {
-  // Show the menu
-  > .dropdown-menu {
-    display: block;
+    background-image: if($enable-gradients, none, null);
   }
-
-  // Remove the outline when :focus is triggered
-  > a {
-    outline: 0;
-  }
-}
-
-// Menu positioning
-//
-// Add extra class to `.dropdown-menu` to flip the alignment of the dropdown
-// menu with the parent.
-.dropdown-menu-right {
-  right: 0;
-  left: auto; // Reset the default from `.dropdown-menu`
 }
 
-.dropdown-menu-left {
-  right: auto;
-  left: 0;
+.dropdown-menu.show {
+  display: block;
 }
 
 // Dropdown section headers
 .dropdown-header {
   display: block;
-  padding: $dropdown-padding-y $dropdown-item-padding-x;
+  padding: $dropdown-header-padding;
   margin-bottom: 0; // for use with heading elements
-  font-size: $font-size-sm;
+  @include font-size($font-size-sm);
   color: $dropdown-header-color;
   white-space: nowrap; // as with > li > a
 }
 
-// Backdrop to catch body clicks on mobile, etc.
-.dropdown-backdrop {
-  position: fixed;
-  top: 0;
-  right: 0;
-  bottom: 0;
-  left: 0;
-  z-index: $zindex-dropdown-backdrop;
+// Dropdown text
+.dropdown-item-text {
+  display: block;
+  padding: $dropdown-item-padding-y $dropdown-item-padding-x;
+  color: $dropdown-link-color;
 }
 
-// Allow for dropdowns to go bottom up (aka, dropup-menu)
-//
-// Just add .dropup after the standard .dropdown class and you're set.
+// Dark dropdowns
+.dropdown-menu-dark {
+  color: $dropdown-dark-color;
+  background-color: $dropdown-dark-bg;
+  border-color: $dropdown-dark-border-color;
+  @include box-shadow($dropdown-dark-box-shadow);
 
-.dropup {
-  // Different positioning for bottom up menu
-  .dropdown-menu {
-    top: auto;
-    bottom: 100%;
-    margin-bottom: $dropdown-margin-top;
+  .dropdown-item {
+    color: $dropdown-dark-link-color;
+
+    &:hover,
+    &:focus {
+      color: $dropdown-dark-link-hover-color;
+      @include gradient-bg($dropdown-dark-link-hover-bg);
+    }
+
+    &.active,
+    &:active {
+      color: $dropdown-dark-link-active-color;
+      @include gradient-bg($dropdown-dark-link-active-bg);
+    }
+
+    &.disabled,
+    &:disabled {
+      color: $dropdown-dark-link-disabled-color;
+    }
+  }
+
+  .dropdown-divider {
+    border-color: $dropdown-dark-divider-bg;
+  }
+
+  .dropdown-item-text {
+    color: $dropdown-dark-link-color;
+  }
+
+  .dropdown-header {
+    color: $dropdown-dark-header-color;
   }
 }
diff --git a/sass/vendor/bootstrap/scss/_forms.scss b/sass/vendor/bootstrap/scss/_forms.scss
index 7be62bd..7b17d84 100755..100644
--- a/sass/vendor/bootstrap/scss/_forms.scss
+++ b/sass/vendor/bootstrap/scss/_forms.scss
@@ -1,388 +1,9 @@
-// scss-lint:disable QualifyingElement
-
-//
-// Textual form controls
-//
-
-.form-control {
-  display: block;
-  width: 100%;
-  // // Make inputs at least the height of their button counterpart (base line-height + padding + border)
-  // height: $input-height;
-  padding: $input-padding-y $input-padding-x;
-  font-size: $font-size-base;
-  line-height: $input-line-height;
-  color: $input-color;
-  background-color: $input-bg;
-  // Reset unusual Firefox-on-Android default style; see https://github.com/necolas/normalize.css/issues/214.
-  background-image: none;
-  background-clip: padding-box;
-  border: $input-btn-border-width solid $input-border-color;
-
-  // Note: This has no effect on <select>s in some browsers, due to the limited stylability of `<select>`s in CSS.
-  @if $enable-rounded {
-    // Manually use the if/else instead of the mixin to account for iOS override
-    border-radius: $input-border-radius;
-  } @else {
-    // Otherwise undo the iOS default
-    border-radius: 0;
-  }
-
-  @include box-shadow($input-box-shadow);
-  @include transition($input-transition);
-
-  // Unstyle the caret on `<select>`s in IE10+.
-  &::-ms-expand {
-    background-color: transparent;
-    border: 0;
-  }
-
-  // Customize the `:focus` state to imitate native WebKit styles.
-  @include form-control-focus();
-
-  // Placeholder
-  &::placeholder {
-    color: $input-color-placeholder;
-    // Override Firefox's unusual default opacity; see https://github.com/twbs/bootstrap/pull/11526.
-    opacity: 1;
-  }
-
-  // Disabled and read-only inputs
-  //
-  // HTML5 says that controls under a fieldset > legend:first-child won't be
-  // disabled if the fieldset is disabled. Due to implementation difficulty, we
-  // don't honor that edge case; we style them as disabled anyway.
-  &:disabled,
-  &[readonly] {
-    background-color: $input-bg-disabled;
-    // iOS fix for unreadable disabled content; see https://github.com/twbs/bootstrap/issues/11655.
-    opacity: 1;
-  }
-
-  &:disabled {
-    cursor: $cursor-disabled;
-  }
-}
-
-select.form-control {
-  &:not([size]):not([multiple]) {
-    $select-border-width: ($border-width * 2);
-    height: calc(#{$input-height} + #{$select-border-width});
-  }
-
-  &:focus::-ms-value {
-    // Suppress the nested default white text on blue background highlight given to
-    // the selected option text when the (still closed) <select> receives focus
-    // in IE and (under certain conditions) Edge, as it looks bad and cannot be made to
-    // match the appearance of the native widget.
-    // See https://github.com/twbs/bootstrap/issues/19398.
-    color: $input-color;
-    background-color: $input-bg;
-  }
-}
-
-// Make file inputs better match text inputs by forcing them to new lines.
-.form-control-file,
-.form-control-range {
-  display: block;
-}
-
-
-//
-// Labels
-//
-
-// For use with horizontal and inline forms, when you need the label text to
-// align with the form controls.
-.col-form-label {
-  padding-top: calc(#{$input-padding-y} - #{$input-btn-border-width} * 2);
-  padding-bottom: calc(#{$input-padding-y} - #{$input-btn-border-width} * 2);
-  margin-bottom: 0; // Override the `<label>` default
-}
-
-.col-form-label-lg {
-  padding-top: calc(#{$input-padding-y-lg} - #{$input-btn-border-width} * 2);
-  padding-bottom: calc(#{$input-padding-y-lg} - #{$input-btn-border-width} * 2);
-  font-size: $font-size-lg;
-}
-
-.col-form-label-sm {
-  padding-top: calc(#{$input-padding-y-sm} - #{$input-btn-border-width} * 2);
-  padding-bottom: calc(#{$input-padding-y-sm} - #{$input-btn-border-width} * 2);
-  font-size: $font-size-sm;
-}
-
-
-//
-// Legends
-//
-
-// For use with horizontal and inline forms, when you need the legend text to
-// be the same size as regular labels, and to align with the form controls.
-.col-form-legend {
-  padding-top: $input-padding-y;
-  padding-bottom: $input-padding-y;
-  margin-bottom: 0;
-  font-size: $font-size-base;
-}
-
-
-// Static form control text
-//
-// Apply class to an element to make any string of text align with labels in a
-// horizontal form layout.
-
-.form-control-static {
-  padding-top: $input-padding-y;
-  padding-bottom: $input-padding-y;
-  margin-bottom: 0; // match inputs if this class comes on inputs with default margins
-  line-height: $input-line-height;
-  border: solid transparent;
-  border-width: $input-btn-border-width 0;
-
-  &.form-control-sm,
-  &.form-control-lg {
-    padding-right: 0;
-    padding-left: 0;
-  }
-}
-
-
-// Form control sizing
-//
-// Build on `.form-control` with modifier classes to decrease or increase the
-// height and font-size of form controls.
-//
-// The `.form-group-* form-control` variations are sadly duplicated to avoid the
-// issue documented in https://github.com/twbs/bootstrap/issues/15074.
-
-.form-control-sm {
-  padding: $input-padding-y-sm $input-padding-x-sm;
-  font-size: $font-size-sm;
-  @include border-radius($input-border-radius-sm);
-}
-
-select.form-control-sm {
-  &:not([size]):not([multiple]) {
-    height: $input-height-sm;
-  }
-}
-
-.form-control-lg {
-  padding: $input-padding-y-lg $input-padding-x-lg;
-  font-size: $font-size-lg;
-  @include border-radius($input-border-radius-lg);
-}
-
-select.form-control-lg {
-  &:not([size]):not([multiple]) {
-    height: $input-height-lg;
-  }
-}
-
-
-// Form groups
-//
-// Designed to help with the organization and spacing of vertical forms. For
-// horizontal forms, use the predefined grid classes.
-
-.form-group {
-  margin-bottom: $form-group-margin-bottom;
-}
-
-.form-text {
-  display: block;
-  margin-top: $form-text-margin-top;
-}
-
-
-// Checkboxes and radios
-//
-// Indent the labels to position radios/checkboxes as hanging controls.
-
-.form-check {
-  position: relative;
-  display: block;
-  margin-bottom: $form-check-margin-bottom;
-
-  &.disabled {
-    .form-check-label {
-      color: $text-muted;
-      cursor: $cursor-disabled;
-    }
-  }
-}
-
-.form-check-label {
-  padding-left: $form-check-input-gutter;
-  margin-bottom: 0; // Override default `<label>` bottom margin
-  cursor: pointer;
-}
-
-.form-check-input {
-  position: absolute;
-  margin-top: $form-check-input-margin-y;
-  margin-left: -$form-check-input-gutter;
-
-  &:only-child {
-    position: static;
-  }
-}
-
-// Radios and checkboxes on same line
-.form-check-inline {
-  display: inline-block;
-
-  .form-check-label {
-    vertical-align: middle;
-  }
-
-  + .form-check-inline {
-    margin-left: $form-check-inline-margin-x;
-  }
-}
-
-
-// Form control feedback states
-//
-// Apply contextual and semantic states to individual form controls.
-
-.form-control-feedback {
-  margin-top: $form-feedback-margin-top;
-}
-
-.form-control-success,
-.form-control-warning,
-.form-control-danger {
-  padding-right: ($input-padding-x * 3);
-  background-repeat: no-repeat;
-  background-position: center right ($input-height / 4);
-  background-size: ($input-height / 2) ($input-height / 2);
-}
-
-// Form validation states
-.has-success {
-  @include form-control-validation($brand-success);
-
-  .form-control-success {
-    background-image: $form-icon-success;
-  }
-}
-
-.has-warning {
-  @include form-control-validation($brand-warning);
-
-  .form-control-warning {
-    background-image: $form-icon-warning;
-  }
-}
-
-.has-danger {
-  @include form-control-validation($brand-danger);
-
-  .form-control-danger {
-    background-image: $form-icon-danger;
-  }
-}
-
-
-// Inline forms
-//
-// Make forms appear inline(-block) by adding the `.form-inline` class. Inline
-// forms begin stacked on extra small (mobile) devices and then go inline when
-// viewports reach <768px.
-//
-// Requires wrapping inputs and labels with `.form-group` for proper display of
-// default HTML form controls and our custom form controls (e.g., input groups).
-
-.form-inline {
-  display: flex;
-  flex-flow: row wrap;
-  align-items: center; // Prevent shorter elements from growing to same height as others (e.g., small buttons growing to normal sized button height)
-
-  // Because we use flex, the initial sizing of checkboxes is collapsed and
-  // doesn't occupy the full-width (which is what we want for xs grid tier),
-  // so we force that here.
-  .form-check {
-    width: 100%;
-  }
-
-  // Kick in the inline
-  @include media-breakpoint-up(sm) {
-    label {
-      display: flex;
-      align-items: center;
-      justify-content: center;
-      margin-bottom: 0;
-    }
-
-    // Inline-block all the things for "inline"
-    .form-group {
-      display: flex;
-      flex: 0 0 auto;
-      flex-flow: row wrap;
-      align-items: center;
-      margin-bottom: 0;
-    }
-
-    // Allow folks to *not* use `.form-group`
-    .form-control {
-      display: inline-block;
-      width: auto; // Prevent labels from stacking above inputs in `.form-group`
-      vertical-align: middle;
-    }
-
-    // Make static controls behave like regular ones
-    .form-control-static {
-      display: inline-block;
-    }
-
-    .input-group {
-      width: auto;
-    }
-
-    .form-control-label {
-      margin-bottom: 0;
-      vertical-align: middle;
-    }
-
-    // Remove default margin on radios/checkboxes that were used for stacking, and
-    // then undo the floating of radios and checkboxes to match.
-    .form-check {
-      display: flex;
-      align-items: center;
-      justify-content: center;
-      width: auto;
-      margin-top: 0;
-      margin-bottom: 0;
-    }
-    .form-check-label {
-      padding-left: 0;
-    }
-    .form-check-input {
-      position: relative;
-      margin-top: 0;
-      margin-right: $form-check-input-margin-x;
-      margin-left: 0;
-    }
-
-    // Custom form controls
-    .custom-control {
-      display: flex;
-      align-items: center;
-      justify-content: center;
-      padding-left: 0;
-    }
-    .custom-control-indicator {
-      position: static;
-      display: inline-block;
-      margin-right: $form-check-input-margin-x; // Flexbox alignment means we lose our HTML space here, so we compensate.
-      vertical-align: text-bottom;
-    }
-
-    // Re-override the feedback icon.
-    .has-feedback .form-control-feedback {
-      top: 0;
-    }
-  }
-}
+@import "forms/labels";
+@import "forms/form-text";
+@import "forms/form-control";
+@import "forms/form-select";
+@import "forms/form-check";
+@import "forms/form-range";
+@import "forms/floating-labels";
+@import "forms/input-group";
+@import "forms/validation";
diff --git a/sass/vendor/bootstrap/scss/_functions.scss b/sass/vendor/bootstrap/scss/_functions.scss
new file mode 100644
index 0000000..870f367
--- /dev/null
+++ b/sass/vendor/bootstrap/scss/_functions.scss
@@ -0,0 +1,263 @@
+// Bootstrap functions
+//
+// Utility mixins and functions for evaluating source code across our variables, maps, and mixins.
+
+// Ascending
+// Used to evaluate Sass maps like our grid breakpoints.
+@mixin _assert-ascending($map, $map-name) {
+  $prev-key: null;
+  $prev-num: null;
+  @each $key, $num in $map {
+    @if $prev-num == null or unit($num) == "%" or unit($prev-num) == "%" {
+      // Do nothing
+    } @else if not comparable($prev-num, $num) {
+      @warn "Potentially invalid value for #{$map-name}: This map must be in ascending order, but key '#{$key}' has value #{$num} whose unit makes it incomparable to #{$prev-num}, the value of the previous key '#{$prev-key}' !";
+    } @else if $prev-num >= $num {
+      @warn "Invalid value for #{$map-name}: This map must be in ascending order, but key '#{$key}' has value #{$num} which isn't greater than #{$prev-num}, the value of the previous key '#{$prev-key}' !";
+    }
+    $prev-key: $key;
+    $prev-num: $num;
+  }
+}
+
+// Starts at zero
+// Used to ensure the min-width of the lowest breakpoint starts at 0.
+@mixin _assert-starts-at-zero($map, $map-name: "$grid-breakpoints") {
+  @if length($map) > 0 {
+    $values: map-values($map);
+    $first-value: nth($values, 1);
+    @if $first-value != 0 {
+      @warn "First breakpoint in #{$map-name} must start at 0, but starts at #{$first-value}.";
+    }
+  }
+}
+
+// Internal Bootstrap function to turn maps into its negative variant.
+// It prefixes the keys with `n` and makes the value negative.
+@function negativify-map($map) {
+  $result: ();
+  @each $key, $value in $map {
+    @if $key != 0 {
+      $result: map-merge($result, ("n" + $key: (-$value)));
+    }
+  }
+  @return $result;
+}
+
+// Get multiple keys from a sass map
+@function map-get-multiple($map, $values) {
+  $result: ();
+  @each $key, $value in $map {
+    @if (index($values, $key) != null) {
+      $result: map-merge($result, ($key: $value));
+    }
+  }
+  @return $result;
+}
+
+// Replace `$search` with `$replace` in `$string`
+// Used on our SVG icon backgrounds for custom forms.
+//
+// @author Hugo Giraudel
+// @param {String} $string - Initial string
+// @param {String} $search - Substring to replace
+// @param {String} $replace ('') - New value
+// @return {String} - Updated string
+@function str-replace($string, $search, $replace: "") {
+  $index: str-index($string, $search);
+
+  @if $index {
+    @return str-slice($string, 1, $index - 1) + $replace + str-replace(str-slice($string, $index + str-length($search)), $search, $replace);
+  }
+
+  @return $string;
+}
+
+// See https://codepen.io/kevinweber/pen/dXWoRw
+//
+// Requires the use of quotes around data URIs.
+
+@function escape-svg($string) {
+  @if str-index($string, "data:image/svg+xml") {
+    @each $char, $encoded in $escaped-characters {
+      // Do not escape the url brackets
+      @if str-index($string, "url(") == 1 {
+        $string: url("#{str-replace(str-slice($string, 6, -3), $char, $encoded)}");
+      } @else {
+        $string: str-replace($string, $char, $encoded);
+      }
+    }
+  }
+
+  @return $string;
+}
+
+// Color contrast
+// See https://github.com/twbs/bootstrap/pull/30168
+
+// A list of pre-calculated numbers of pow(divide((divide($value, 255) + .055), 1.055), 2.4). (from 0 to 255)
+// stylelint-disable-next-line scss/dollar-variable-default, scss/dollar-variable-pattern
+$_luminance-list: .0008 .001 .0011 .0013 .0015 .0017 .002 .0022 .0025 .0027 .003 .0033 .0037 .004 .0044 .0048 .0052 .0056 .006 .0065 .007 .0075 .008 .0086 .0091 .0097 .0103 .011 .0116 .0123 .013 .0137 .0144 .0152 .016 .0168 .0176 .0185 .0194 .0203 .0212 .0222 .0232 .0242 .0252 .0262 .0273 .0284 .0296 .0307 .0319 .0331 .0343 .0356 .0369 .0382 .0395 .0409 .0423 .0437 .0452 .0467 .0482 .0497 .0513 .0529 .0545 .0561 .0578 .0595 .0612 .063 .0648 .0666 .0685 .0704 .0723 .0742 .0762 .0782 .0802 .0823 .0844 .0865 .0887 .0908 .0931 .0953 .0976 .0999 .1022 .1046 .107 .1095 .1119 .1144 .117 .1195 .1221 .1248 .1274 .1301 .1329 .1356 .1384 .1413 .1441 .147 .15 .1529 .1559 .159 .162 .1651 .1683 .1714 .1746 .1779 .1812 .1845 .1878 .1912 .1946 .1981 .2016 .2051 .2086 .2122 .2159 .2195 .2232 .227 .2307 .2346 .2384 .2423 .2462 .2502 .2542 .2582 .2623 .2664 .2705 .2747 .2789 .2831 .2874 .2918 .2961 .3005 .305 .3095 .314 .3185 .3231 .3278 .3325 .3372 .3419 .3467 .3515 .3564 .3613 .3663 .3712 .3763 .3813 .3864 .3916 .3968 .402 .4072 .4125 .4179 .4233 .4287 .4342 .4397 .4452 .4508 .4564 .4621 .4678 .4735 .4793 .4851 .491 .4969 .5029 .5089 .5149 .521 .5271 .5333 .5395 .5457 .552 .5583 .5647 .5711 .5776 .5841 .5906 .5972 .6038 .6105 .6172 .624 .6308 .6376 .6445 .6514 .6584 .6654 .6724 .6795 .6867 .6939 .7011 .7084 .7157 .7231 .7305 .7379 .7454 .7529 .7605 .7682 .7758 .7835 .7913 .7991 .807 .8148 .8228 .8308 .8388 .8469 .855 .8632 .8714 .8796 .8879 .8963 .9047 .9131 .9216 .9301 .9387 .9473 .956 .9647 .9734 .9823 .9911 1;
+
+@function color-contrast($background, $color-contrast-dark: $color-contrast-dark, $color-contrast-light: $color-contrast-light, $min-contrast-ratio: $min-contrast-ratio) {
+  $foregrounds: $color-contrast-light, $color-contrast-dark, $white, $black;
+  $max-ratio: 0;
+  $max-ratio-color: null;
+
+  @each $color in $foregrounds {
+    $contrast-ratio: contrast-ratio($background, $color);
+    @if $contrast-ratio > $min-contrast-ratio {
+      @return $color;
+    } @else if $contrast-ratio > $max-ratio {
+      $max-ratio: $contrast-ratio;
+      $max-ratio-color: $color;
+    }
+  }
+
+  @warn "Found no color leading to #{$min-contrast-ratio}:1 contrast ratio against #{$background}...";
+
+  @return $max-ratio-color;
+}
+
+@function contrast-ratio($background, $foreground: $color-contrast-light) {
+  $l1: luminance($background);
+  $l2: luminance(opaque($background, $foreground));
+
+  @return if($l1 > $l2, divide($l1 + .05, $l2 + .05), divide($l2 + .05, $l1 + .05));
+}
+
+// Return WCAG2.0 relative luminance
+// See https://www.w3.org/WAI/GL/wiki/Relative_luminance
+// See https://www.w3.org/TR/WCAG20-TECHS/G17.html#G17-tests
+@function luminance($color) {
+  $rgb: (
+    "r": red($color),
+    "g": green($color),
+    "b": blue($color)
+  );
+
+  @each $name, $value in $rgb {
+    $value: if(divide($value, 255) < .03928, divide(divide($value, 255), 12.92), nth($_luminance-list, $value + 1));
+    $rgb: map-merge($rgb, ($name: $value));
+  }
+
+  @return (map-get($rgb, "r") * .2126) + (map-get($rgb, "g") * .7152) + (map-get($rgb, "b") * .0722);
+}
+
+// Return opaque color
+// opaque(#fff, rgba(0, 0, 0, .5)) => #808080
+@function opaque($background, $foreground) {
+  @return mix(rgba($foreground, 1), $background, opacity($foreground) * 100);
+}
+
+// scss-docs-start color-functions
+// Tint a color: mix a color with white
+@function tint-color($color, $weight) {
+  @return mix(white, $color, $weight);
+}
+
+// Shade a color: mix a color with black
+@function shade-color($color, $weight) {
+  @return mix(black, $color, $weight);
+}
+
+// Shade the color if the weight is positive, else tint it
+@function shift-color($color, $weight) {
+  @return if($weight > 0, shade-color($color, $weight), tint-color($color, -$weight));
+}
+// scss-docs-end color-functions
+
+// Return valid calc
+@function add($value1, $value2, $return-calc: true) {
+  @if $value1 == null {
+    @return $value2;
+  }
+
+  @if $value2 == null {
+    @return $value1;
+  }
+
+  @if type-of($value1) == number and type-of($value2) == number and comparable($value1, $value2) {
+    @return $value1 + $value2;
+  }
+
+  @if type-of($value1) != number {
+    $value1: unquote("(") + $value1 + unquote(")");
+  }
+
+  @if type-of($value2) != number {
+    $value2: unquote("(") + $value2 + unquote(")");
+  }
+
+  @return if($return-calc == true, calc(#{$value1} + #{$value2}), $value1 + unquote(" + ") + $value2);
+}
+
+@function subtract($value1, $value2, $return-calc: true) {
+  @if $value1 == null and $value2 == null {
+    @return null;
+  }
+
+  @if $value1 == null {
+    @return -$value2;
+  }
+
+  @if $value2 == null {
+    @return $value1;
+  }
+
+  @if type-of($value1) == number and type-of($value2) == number and comparable($value1, $value2) {
+    @return $value1 - $value2;
+  }
+
+  @if type-of($value1) != number {
+    $value1: unquote("(") + $value1 + unquote(")");
+  }
+
+  @if type-of($value2) != number {
+    $value2: unquote("(") + $value2 + unquote(")");
+  }
+
+  @return if($return-calc == true, calc(#{$value1} - #{$value2}), $value1 + unquote(" - ") + $value2);
+}
+
+@function divide($dividend, $divisor, $precision: 10) {
+  $sign: if($dividend > 0 and $divisor > 0 or $dividend < 0 and $divisor < 0, 1, -1);
+  $dividend: abs($dividend);
+  $divisor: abs($divisor);
+  @if $dividend == 0 {
+    @return 0;
+  }
+  @if $divisor == 0 {
+    @error "Cannot divide by 0";
+  }
+  $remainder: $dividend;
+  $result: 0;
+  $factor: 10;
+  @while ($remainder > 0 and $precision >= 0) {
+    $quotient: 0;
+    @while ($remainder >= $divisor) {
+      $remainder: $remainder - $divisor;
+      $quotient: $quotient + 1;
+    }
+    $result: $result * 10 + $quotient;
+    $factor: $factor * .1;
+    $remainder: $remainder * 10;
+    $precision: $precision - 1;
+    @if ($precision < 0 and $remainder >= $divisor * 5) {
+      $result: $result + 1;
+    }
+  }
+  $result: $result * $factor * $sign;
+  $dividend-unit: unit($dividend);
+  $divisor-unit: unit($divisor);
+  $unit-map: (
+    "px": 1px,
+    "rem": 1rem,
+    "em": 1em,
+    "%": 1%
+  );
+  @if ($dividend-unit != $divisor-unit and map-has-key($unit-map, $dividend-unit)) {
+    $result: $result * map-get($unit-map, $dividend-unit);
+  }
+  @return $result;
+}
diff --git a/sass/vendor/bootstrap/scss/_grid.scss b/sass/vendor/bootstrap/scss/_grid.scss
index 8c7a9ee..5686f31 100755..100644
--- a/sass/vendor/bootstrap/scss/_grid.scss
+++ b/sass/vendor/bootstrap/scss/_grid.scss
@@ -1,48 +1,18 @@
-// Container widths
-//
-// Set the container width, and override it for fixed navbars in media queries.
-
-@if $enable-grid-classes {
-  .container {
-    @include make-container();
-    @include make-container-max-widths();
-  }
-}
-
-// Fluid container
-//
-// Utilizes the mixin meant for fixed width containers, but without any defined
-// width for fluid, full width layouts.
-
-@if $enable-grid-classes {
-  .container-fluid {
-    @include make-container();
-  }
-}
-
 // Row
 //
-// Rows contain and clear the floats of your columns.
+// Rows contain your columns.
 
 @if $enable-grid-classes {
   .row {
     @include make-row();
-  }
-
-  // Remove the negative margin from default .row, then the horizontal padding
-  // from all immediate children columns (to prevent runaway style inheritance).
-  .no-gutters {
-    margin-right: 0;
-    margin-left: 0;
 
-    > .col,
-    > [class*="col-"] {
-      padding-right: 0;
-      padding-left: 0;
+    > * {
+      @include make-col-ready();
     }
   }
 }
 
+
 // Columns
 //
 // Common styles for small and large grid columns
diff --git a/sass/vendor/bootstrap/scss/_helpers.scss b/sass/vendor/bootstrap/scss/_helpers.scss
new file mode 100644
index 0000000..8f566d1
--- /dev/null
+++ b/sass/vendor/bootstrap/scss/_helpers.scss
@@ -0,0 +1,7 @@
+@import "helpers/clearfix";
+@import "helpers/colored-links";
+@import "helpers/ratio";
+@import "helpers/position";
+@import "helpers/visually-hidden";
+@import "helpers/stretched-link";
+@import "helpers/text-truncation";
diff --git a/sass/vendor/bootstrap/scss/_images.scss b/sass/vendor/bootstrap/scss/_images.scss
index a8135a6..3d6a101 100755..100644
--- a/sass/vendor/bootstrap/scss/_images.scss
+++ b/sass/vendor/bootstrap/scss/_images.scss
@@ -6,7 +6,7 @@
 // which weren't expecting the images within themselves to be involuntarily resized.
 // See also https://github.com/twbs/bootstrap/issues/18178
 .img-fluid {
-  @include img-fluid;
+  @include img-fluid();
 }
 
 
@@ -16,11 +16,10 @@
   background-color: $thumbnail-bg;
   border: $thumbnail-border-width solid $thumbnail-border-color;
   @include border-radius($thumbnail-border-radius);
-  @include transition($thumbnail-transition);
   @include box-shadow($thumbnail-box-shadow);
 
   // Keep them at most 100% wide
-  @include img-fluid;
+  @include img-fluid();
 }
 
 //
@@ -33,11 +32,11 @@
 }
 
 .figure-img {
-  margin-bottom: ($spacer-y / 2);
+  margin-bottom: $spacer * .5;
   line-height: 1;
 }
 
 .figure-caption {
-  font-size: $figure-caption-font-size;
+  @include font-size($figure-caption-font-size);
   color: $figure-caption-color;
 }
diff --git a/sass/vendor/bootstrap/scss/_input-group.scss b/sass/vendor/bootstrap/scss/_input-group.scss
deleted file mode 100755
index ab44883..0000000
--- a/sass/vendor/bootstrap/scss/_input-group.scss
+++ /dev/null
@@ -1,178 +0,0 @@
-//
-// Base styles
-//
-
-.input-group {
-  position: relative;
-  display: flex;
-  width: 100%;
-
-  .form-control {
-    // Ensure that the input is always above the *appended* addon button for
-    // proper border colors.
-    position: relative;
-    z-index: 2;
-    flex: 1 1 auto;
-    // Add width 1% and flex-basis auto to ensure that button will not wrap out
-    // the column. Applies to IE Edge+ and Firefox. Chrome does not require this.
-    width: 1%;
-    margin-bottom: 0;
-
-    // Bring the "active" form control to the front
-    @include hover-focus-active {
-      z-index: 3;
-    }
-  }
-}
-
-.input-group-addon,
-.input-group-btn,
-.input-group .form-control {
-  // Vertically centers the content of the addons within the input group
-  display: flex;
-  flex-direction: column;
-  justify-content: center;
-
-  &:not(:first-child):not(:last-child) {
-    @include border-radius(0);
-  }
-}
-
-.input-group-addon,
-.input-group-btn {
-  white-space: nowrap;
-  vertical-align: middle; // Match the inputs
-}
-
-
-// Sizing options
-//
-// Remix the default form control sizing classes into new ones for easier
-// manipulation.
-
-.input-group-lg > .form-control,
-.input-group-lg > .input-group-addon,
-.input-group-lg > .input-group-btn > .btn {
-  @extend .form-control-lg;
-}
-.input-group-sm > .form-control,
-.input-group-sm > .input-group-addon,
-.input-group-sm > .input-group-btn > .btn {
-  @extend .form-control-sm;
-}
-
-
-//
-// Text input groups
-//
-
-.input-group-addon {
-  padding: $input-padding-y $input-padding-x;
-  margin-bottom: 0; // Allow use of <label> elements by overriding our default margin-bottom
-  font-size: $font-size-base; // Match inputs
-  font-weight: $font-weight-normal;
-  line-height: $input-line-height;
-  color: $input-color;
-  text-align: center;
-  background-color: $input-group-addon-bg;
-  border: $input-btn-border-width solid $input-group-addon-border-color;
-  @include border-radius($input-border-radius);
-
-  // Sizing
-  &.form-control-sm {
-    padding: $input-padding-y-sm $input-padding-x-sm;
-    font-size: $font-size-sm;
-    @include border-radius($input-border-radius-sm);
-  }
-  &.form-control-lg {
-    padding: $input-padding-y-lg $input-padding-x-lg;
-    font-size: $font-size-lg;
-    @include border-radius($input-border-radius-lg);
-  }
-
-  // scss-lint:disable QualifyingElement
-  // Nuke default margins from checkboxes and radios to vertically center within.
-  input[type="radio"],
-  input[type="checkbox"] {
-    margin-top: 0;
-  }
-  // scss-lint:enable QualifyingElement
-}
-
-
-//
-// Reset rounded corners
-//
-
-.input-group .form-control:not(:last-child),
-.input-group-addon:not(:last-child),
-.input-group-btn:not(:last-child) > .btn,
-.input-group-btn:not(:last-child) > .btn-group > .btn,
-.input-group-btn:not(:last-child) > .dropdown-toggle,
-.input-group-btn:not(:first-child) > .btn:not(:last-child):not(.dropdown-toggle),
-.input-group-btn:not(:first-child) > .btn-group:not(:last-child) > .btn {
-  @include border-right-radius(0);
-}
-.input-group-addon:not(:last-child) {
-  border-right: 0;
-}
-.input-group .form-control:not(:first-child),
-.input-group-addon:not(:first-child),
-.input-group-btn:not(:first-child) > .btn,
-.input-group-btn:not(:first-child) > .btn-group > .btn,
-.input-group-btn:not(:first-child) > .dropdown-toggle,
-.input-group-btn:not(:last-child) > .btn:not(:first-child),
-.input-group-btn:not(:last-child) > .btn-group:not(:first-child) > .btn {
-  @include border-left-radius(0);
-}
-.form-control + .input-group-addon:not(:first-child) {
-  border-left: 0;
-}
-
-//
-// Button input groups
-//
-
-.input-group-btn {
-  position: relative;
-  // Jankily prevent input button groups from wrapping with `white-space` and
-  // `font-size` in combination with `inline-block` on buttons.
-  font-size: 0;
-  white-space: nowrap;
-
-  // Negative margin for spacing, position for bringing hovered/focused/actived
-  // element above the siblings.
-  > .btn {
-    position: relative;
-    // Vertically stretch the button and center its content
-    flex: 1;
-
-    + .btn {
-      margin-left: (-$input-btn-border-width);
-    }
-
-    // Bring the "active" button to the front
-    @include hover-focus-active {
-      z-index: 3;
-    }
-  }
-
-  // Negative margin to only have a single, shared border between the two
-  &:not(:last-child) {
-    > .btn,
-    > .btn-group {
-      margin-right: (-$input-btn-border-width);
-    }
-  }
-  &:not(:first-child) {
-    > .btn,
-    > .btn-group {
-      z-index: 2;
-      margin-left: (-$input-btn-border-width);
-      // Because specificity
-      @include hover-focus-active {
-        z-index: 3;
-      }
-    }
-  }
-}
diff --git a/sass/vendor/bootstrap/scss/_jumbotron.scss b/sass/vendor/bootstrap/scss/_jumbotron.scss
deleted file mode 100755
index b12d465..0000000
--- a/sass/vendor/bootstrap/scss/_jumbotron.scss
+++ /dev/null
@@ -1,20 +0,0 @@
-.jumbotron {
-  padding: $jumbotron-padding ($jumbotron-padding / 2);
-  margin-bottom: $jumbotron-padding;
-  background-color: $jumbotron-bg;
-  @include border-radius($border-radius-lg);
-
-  @include media-breakpoint-up(sm) {
-    padding: ($jumbotron-padding * 2) $jumbotron-padding;
-  }
-}
-
-.jumbotron-hr {
-  border-top-color: darken($jumbotron-bg, 10%);
-}
-
-.jumbotron-fluid {
-  padding-right: 0;
-  padding-left: 0;
-  @include border-radius(0);
-}
diff --git a/sass/vendor/bootstrap/scss/_list-group.scss b/sass/vendor/bootstrap/scss/_list-group.scss
index ec813c8..dcd61d2 100755..100644
--- a/sass/vendor/bootstrap/scss/_list-group.scss
+++ b/sass/vendor/bootstrap/scss/_list-group.scss
@@ -9,6 +9,18 @@
   // No need to set list-style: none; since .list-group-item is block level
   padding-left: 0; // reset padding because ul and ol
   margin-bottom: 0;
+  @include border-radius($list-group-border-radius);
+}
+
+.list-group-numbered {
+  list-style-type: none;
+  counter-reset: section;
+
+  > li::before {
+    // Increments only this instance of the section counter
+    content: counters(section, ".") ". ";
+    counter-increment: section;
+  }
 }
 
 
@@ -19,23 +31,21 @@
 
 .list-group-item-action {
   width: 100%; // For `<button>`s (anchors become 100% by default though)
-  color: $list-group-link-color;
+  color: $list-group-action-color;
   text-align: inherit; // For `<button>`s (anchors inherit)
 
-  .list-group-item-heading {
-    color: $list-group-link-heading-color;
-  }
-
   // Hover state
-  @include hover-focus {
-    color: $list-group-link-hover-color;
+  &:hover,
+  &:focus {
+    z-index: 1; // Place hover/focus items above their siblings for proper border styling
+    color: $list-group-action-hover-color;
     text-decoration: none;
     background-color: $list-group-hover-bg;
   }
 
   &:active {
-    color: $list-group-link-active-color;
-    background-color: $list-group-link-active-bg;
+    color: $list-group-action-active-color;
+    background-color: $list-group-action-active-bg;
   }
 }
 
@@ -46,41 +56,26 @@
 
 .list-group-item {
   position: relative;
-  display: flex;
-  flex-flow: row wrap;
-  align-items: center;
+  display: block;
   padding: $list-group-item-padding-y $list-group-item-padding-x;
-  // Place the border on the list items and negative margin up for better styling
-  margin-bottom: -$list-group-border-width;
+  color: $list-group-color;
+  text-decoration: if($link-decoration == none, null, none);
   background-color: $list-group-bg;
   border: $list-group-border-width solid $list-group-border-color;
 
   &:first-child {
-    @include border-top-radius($list-group-border-radius);
+    @include border-top-radius(inherit);
   }
 
   &:last-child {
-    margin-bottom: 0;
-    @include border-bottom-radius($list-group-border-radius);
-  }
-
-  @include hover-focus {
-    text-decoration: none;
+    @include border-bottom-radius(inherit);
   }
 
   &.disabled,
   &:disabled {
     color: $list-group-disabled-color;
-    cursor: $cursor-disabled;
+    pointer-events: none;
     background-color: $list-group-disabled-bg;
-
-    // Force color to inherit for custom content
-    .list-group-item-heading {
-      color: inherit;
-    }
-    .list-group-item-text {
-      color: $list-group-disabled-text-color;
-    }
   }
 
   // Include both here for `<a>`s and `<button>`s
@@ -88,17 +83,56 @@
     z-index: 2; // Place active items above their siblings for proper border styling
     color: $list-group-active-color;
     background-color: $list-group-active-bg;
-    border-color: $list-group-active-border;
+    border-color: $list-group-active-border-color;
+  }
 
-    // Force color to inherit for custom content
-    .list-group-item-heading,
-    .list-group-item-heading > small,
-    .list-group-item-heading > .small {
-      color: inherit;
+  & + & {
+    border-top-width: 0;
+
+    &.active {
+      margin-top: -$list-group-border-width;
+      border-top-width: $list-group-border-width;
     }
+  }
+}
+
 
-    .list-group-item-text {
-      color: $list-group-active-text-color;
+// Horizontal
+//
+// Change the layout of list group items from vertical (default) to horizontal.
+
+@each $breakpoint in map-keys($grid-breakpoints) {
+  @include media-breakpoint-up($breakpoint) {
+    $infix: breakpoint-infix($breakpoint, $grid-breakpoints);
+
+    .list-group-horizontal#{$infix} {
+      flex-direction: row;
+
+      > .list-group-item {
+        &:first-child {
+          @include border-bottom-start-radius($list-group-border-radius);
+          @include border-top-end-radius(0);
+        }
+
+        &:last-child {
+          @include border-top-end-radius($list-group-border-radius);
+          @include border-bottom-start-radius(0);
+        }
+
+        &.active {
+          margin-top: 0;
+        }
+
+        + .list-group-item {
+          border-top-width: $list-group-border-width;
+          border-left-width: 0;
+
+          &.active {
+            margin-left: -$list-group-border-width;
+            border-left-width: $list-group-border-width;
+          }
+        }
+      }
     }
   }
 }
@@ -110,32 +144,31 @@
 // useful within other components (e.g., cards).
 
 .list-group-flush {
-  .list-group-item {
-    border-right: 0;
-    border-left: 0;
-    border-radius: 0;
-  }
+  @include border-radius(0);
 
-  &:first-child {
-    .list-group-item:first-child {
-      border-top: 0;
-    }
-  }
+  > .list-group-item {
+    border-width: 0 0 $list-group-border-width;
 
-  &:last-child {
-    .list-group-item:last-child {
-      border-bottom: 0;
+    &:last-child {
+      border-bottom-width: 0;
     }
   }
 }
 
 
-// Contextual variants
+// scss-docs-start list-group-modifiers
+// List group contextual variants
 //
 // Add modifier classes to change text and background color on individual items.
 // Organizationally, this must come after the `:hover` states.
 
-@include list-group-item-variant(success, $state-success-bg, $state-success-text);
-@include list-group-item-variant(info, $state-info-bg, $state-info-text);
-@include list-group-item-variant(warning, $state-warning-bg, $state-warning-text);
-@include list-group-item-variant(danger, $state-danger-bg, $state-danger-text);
+@each $state, $value in $theme-colors {
+  $list-group-variant-bg: shift-color($value, $list-group-item-bg-scale);
+  $list-group-variant-color: shift-color($value, $list-group-item-color-scale);
+  @if (contrast-ratio($list-group-variant-bg, $list-group-variant-color) < $min-contrast-ratio) {
+    $list-group-variant-color: mix($value, color-contrast($list-group-variant-bg), abs($list-group-item-color-scale));
+  }
+
+  @include list-group-item-variant($state, $list-group-variant-bg, $list-group-variant-color);
+}
+// scss-docs-end list-group-modifiers
diff --git a/sass/vendor/bootstrap/scss/_media.scss b/sass/vendor/bootstrap/scss/_media.scss
deleted file mode 100755
index b573052..0000000
--- a/sass/vendor/bootstrap/scss/_media.scss
+++ /dev/null
@@ -1,8 +0,0 @@
-.media {
-  display: flex;
-  align-items: flex-start;
-}
-
-.media-body {
-  flex: 1;
-}
diff --git a/sass/vendor/bootstrap/scss/_mixins.scss b/sass/vendor/bootstrap/scss/_mixins.scss
index da47382..eec0857 100755..100644
--- a/sass/vendor/bootstrap/scss/_mixins.scss
+++ b/sass/vendor/bootstrap/scss/_mixins.scss
@@ -2,56 +2,41 @@
 //
 // Used in conjunction with global variables to enable certain theme features.
 
-@mixin box-shadow($shadow...) {
-  @if $enable-shadows {
-    box-shadow: $shadow;
-  }
-}
+// Vendor
+@import "vendor/rfs";
 
-@mixin transition($transition...) {
-  @if $enable-transitions {
-    @if length($transition) == 0 {
-      transition: $transition-base;
-    } @else {
-      transition: $transition;
-    }
-  }
-}
+// Deprecate
+@import "mixins/deprecate";
 
-// Utilities
+// Helpers
 @import "mixins/breakpoints";
-@import "mixins/hover";
+@import "mixins/color-scheme";
 @import "mixins/image";
-@import "mixins/badge";
 @import "mixins/resize";
-@import "mixins/screen-reader";
-@import "mixins/size";
+@import "mixins/visually-hidden";
 @import "mixins/reset-text";
-@import "mixins/text-emphasis";
-@import "mixins/text-hide";
 @import "mixins/text-truncate";
-@import "mixins/transforms";
-@import "mixins/visibility";
 
-// // Components
+// Utilities
+@import "mixins/utilities";
+
+// Components
 @import "mixins/alert";
 @import "mixins/buttons";
-@import "mixins/cards";
+@import "mixins/caret";
 @import "mixins/pagination";
 @import "mixins/lists";
 @import "mixins/list-group";
-@import "mixins/nav-divider";
 @import "mixins/forms";
-@import "mixins/table-row";
+@import "mixins/table-variants";
 
-// // Skins
-@import "mixins/background-variant";
+// Skins
 @import "mixins/border-radius";
+@import "mixins/box-shadow";
 @import "mixins/gradients";
+@import "mixins/transition";
 
-// // Layout
+// Layout
 @import "mixins/clearfix";
-// @import "mixins/navbar-align";
-@import "mixins/grid-framework";
+@import "mixins/container";
 @import "mixins/grid";
-@import "mixins/float";
diff --git a/sass/vendor/bootstrap/scss/_modal.scss b/sass/vendor/bootstrap/scss/_modal.scss
index 9d2a867..7747308 100755..100644
--- a/sass/vendor/bootstrap/scss/_modal.scss
+++ b/sass/vendor/bootstrap/scss/_modal.scss
@@ -4,38 +4,23 @@
 // .modal-content   - actual modal w/ bg and corners and stuff
 
 
-// Kill the scroll on the body
-.modal-open {
-  overflow: hidden;
-}
-
 // Container that the modal scrolls within
 .modal {
   position: fixed;
   top: 0;
-  right: 0;
-  bottom: 0;
   left: 0;
   z-index: $zindex-modal;
   display: none;
-  overflow: hidden;
+  width: 100%;
+  height: 100%;
+  overflow-x: hidden;
+  overflow-y: auto;
   // Prevent Chrome on Windows from adding a focus outline. For details, see
   // https://github.com/twbs/bootstrap/pull/10951.
   outline: 0;
   // We deliberately don't use `-webkit-overflow-scrolling: touch;` due to a
   // gnarly iOS Safari bug: https://bugs.webkit.org/show_bug.cgi?id=158342
   // See also https://github.com/twbs/bootstrap/issues/17695
-
-  // When fading in the modal, animate it to slide down
-  &.fade .modal-dialog {
-    @include transition($modal-transition);
-    transform: translate(0, -25%);
-  }
-  &.show .modal-dialog { transform: translate(0, 0); }
-}
-.modal-open .modal {
-  overflow-x: hidden;
-  overflow-y: auto;
 }
 
 // Shell div to position the modal with bottom padding
@@ -43,6 +28,41 @@
   position: relative;
   width: auto;
   margin: $modal-dialog-margin;
+  // allow clicks to pass through for custom click handling to close modal
+  pointer-events: none;
+
+  // When fading in the modal, animate it to slide down
+  .modal.fade & {
+    @include transition($modal-transition);
+    transform: $modal-fade-transform;
+  }
+  .modal.show & {
+    transform: $modal-show-transform;
+  }
+
+  // When trying to close, animate focus to scale
+  .modal.modal-static & {
+    transform: $modal-scale-transform;
+  }
+}
+
+.modal-dialog-scrollable {
+  height: subtract(100%, $modal-dialog-margin * 2);
+
+  .modal-content {
+    max-height: 100%;
+    overflow: hidden;
+  }
+
+  .modal-body {
+    overflow-y: auto;
+  }
+}
+
+.modal-dialog-centered {
+  display: flex;
+  align-items: center;
+  min-height: subtract(100%, $modal-dialog-margin * 2);
 }
 
 // Actual modal
@@ -50,11 +70,15 @@
   position: relative;
   display: flex;
   flex-direction: column;
+  width: 100%; // Ensure `.modal-content` extends the full width of the parent `.modal-dialog`
+  // counteract the pointer-events: none; in the .modal-dialog
+  color: $modal-content-color;
+  pointer-events: auto;
   background-color: $modal-content-bg;
   background-clip: padding-box;
   border: $modal-content-border-width solid $modal-content-border-color;
-  @include border-radius($border-radius-lg);
-  @include box-shadow($modal-content-xs-box-shadow);
+  @include border-radius($modal-content-border-radius);
+  @include box-shadow($modal-content-box-shadow-xs);
   // Remove focus outline from opened modal
   outline: 0;
 }
@@ -63,10 +87,10 @@
 .modal-backdrop {
   position: fixed;
   top: 0;
-  right: 0;
-  bottom: 0;
   left: 0;
   z-index: $zindex-modal-backdrop;
+  width: 100vw;
+  height: 100vh;
   background-color: $modal-backdrop-bg;
 
   // Fade for backdrop
@@ -78,10 +102,17 @@
 // Top section of the modal w/ title and dismiss
 .modal-header {
   display: flex;
-  align-items: center; // vertically center it
+  flex-shrink: 0;
+  align-items: center;
   justify-content: space-between; // Put modal header elements (title and dismiss) on opposite ends
   padding: $modal-header-padding;
   border-bottom: $modal-header-border-width solid $modal-header-border-color;
+  @include border-top-radius($modal-content-inner-border-radius);
+
+  .btn-close {
+    padding: ($modal-header-padding-y * .5) ($modal-header-padding-x * .5);
+    margin: ($modal-header-padding-y * -.5) ($modal-header-padding-x * -.5) ($modal-header-padding-y * -.5) auto;
+  }
 }
 
 // Title text within header
@@ -95,7 +126,7 @@
 .modal-body {
   position: relative;
   // Enable `flex-grow: 1` so that the body take up as much space as possible
-  // when should there be a fixed height on `.modal-dialog`.
+  // when there should be a fixed height on `.modal-dialog`.
   flex: 1 1 auto;
   padding: $modal-inner-padding;
 }
@@ -103,23 +134,20 @@
 // Footer (for actions)
 .modal-footer {
   display: flex;
+  flex-wrap: wrap;
+  flex-shrink: 0;
   align-items: center; // vertically center
   justify-content: flex-end; // Right align buttons with flex property because text-align doesn't work on flex items
-  padding: $modal-inner-padding;
+  padding: $modal-inner-padding - $modal-footer-margin-between * .5;
   border-top: $modal-footer-border-width solid $modal-footer-border-color;
+  @include border-bottom-radius($modal-content-inner-border-radius);
 
-  // Easily place margin between footer elements
-  > :not(:first-child) { margin-left: .25rem; }
-  > :not(:last-child) { margin-right: .25rem; }
-}
-
-// Measure scrollbar width for padding body during modal show/hide
-.modal-scrollbar-measure {
-  position: absolute;
-  top: -9999px;
-  width: 50px;
-  height: 50px;
-  overflow: scroll;
+  // Place margin between footer elements
+  // This solution is far from ideal because of the universal selector usage,
+  // but is needed to fix https://github.com/twbs/bootstrap/issues/24800
+  > * {
+    margin: $modal-footer-margin-between * .5;
+  }
 }
 
 // Scale up the modal
@@ -127,16 +155,65 @@
   // Automatically set modal's width for larger viewports
   .modal-dialog {
     max-width: $modal-md;
-    margin: $modal-dialog-sm-up-margin-y auto;
+    margin: $modal-dialog-margin-y-sm-up auto;
+  }
+
+  .modal-dialog-scrollable {
+    height: subtract(100%, $modal-dialog-margin-y-sm-up * 2);
+  }
+
+  .modal-dialog-centered {
+    min-height: subtract(100%, $modal-dialog-margin-y-sm-up * 2);
   }
 
   .modal-content {
-    @include box-shadow($modal-content-sm-up-box-shadow);
+    @include box-shadow($modal-content-box-shadow-sm-up);
   }
 
   .modal-sm { max-width: $modal-sm; }
 }
 
 @include media-breakpoint-up(lg) {
-  .modal-lg { max-width: $modal-lg; }
+  .modal-lg,
+  .modal-xl {
+    max-width: $modal-lg;
+  }
+}
+
+@include media-breakpoint-up(xl) {
+  .modal-xl { max-width: $modal-xl; }
+}
+
+// scss-docs-start modal-fullscreen-loop
+@each $breakpoint in map-keys($grid-breakpoints) {
+  $infix: breakpoint-infix($breakpoint, $grid-breakpoints);
+  $postfix: if($infix != "", $infix + "-down", "");
+
+  @include media-breakpoint-down($breakpoint) {
+    .modal-fullscreen#{$postfix} {
+      width: 100vw;
+      max-width: none;
+      height: 100%;
+      margin: 0;
+
+      .modal-content {
+        height: 100%;
+        border: 0;
+        @include border-radius(0);
+      }
+
+      .modal-header {
+        @include border-radius(0);
+      }
+
+      .modal-body {
+        overflow-y: auto;
+      }
+
+      .modal-footer {
+        @include border-radius(0);
+      }
+    }
+  }
 }
+// scss-docs-end modal-fullscreen-loop
diff --git a/sass/vendor/bootstrap/scss/_nav.scss b/sass/vendor/bootstrap/scss/_nav.scss
index eb316bb..ffb27d8 100755..100644
--- a/sass/vendor/bootstrap/scss/_nav.scss
+++ b/sass/vendor/bootstrap/scss/_nav.scss
@@ -1,10 +1,11 @@
 // Base class
 //
 // Kickstart any navigation component with a set of style resets. Works with
-// `<nav>`s or `<ul>`s.
+// `<nav>`s, `<ul>`s or `<ol>`s.
 
 .nav {
   display: flex;
+  flex-wrap: wrap;
   padding-left: 0;
   margin-bottom: 0;
   list-style: none;
@@ -12,20 +13,27 @@
 
 .nav-link {
   display: block;
-  padding: $nav-link-padding;
-
-  @include hover-focus {
-    text-decoration: none;
+  padding: $nav-link-padding-y $nav-link-padding-x;
+  @include font-size($nav-link-font-size);
+  font-weight: $nav-link-font-weight;
+  color: $nav-link-color;
+  text-decoration: if($link-decoration == none, null, none);
+  @include transition($nav-link-transition);
+
+  &:hover,
+  &:focus {
+    color: $nav-link-hover-color;
+    text-decoration: if($link-hover-decoration == underline, none, null);
   }
 
-  // Disabled state lightens text and removes hover/tab effects
+  // Disabled state lightens text
   &.disabled {
-    color: $nav-disabled-link-color;
-    cursor: $cursor-disabled;
+    color: $nav-link-disabled-color;
+    pointer-events: none;
+    cursor: default;
   }
 }
 
-
 //
 // Tabs
 //
@@ -33,20 +41,21 @@
 .nav-tabs {
   border-bottom: $nav-tabs-border-width solid $nav-tabs-border-color;
 
-  .nav-item {
-    margin-bottom: -$nav-tabs-border-width;
-  }
-
   .nav-link {
+    margin-bottom: -$nav-tabs-border-width;
+    background: none;
     border: $nav-tabs-border-width solid transparent;
     @include border-top-radius($nav-tabs-border-radius);
 
-    @include hover-focus {
-      border-color: $nav-tabs-link-hover-border-color $nav-tabs-link-hover-border-color $nav-tabs-border-color;
+    &:hover,
+    &:focus {
+      border-color: $nav-tabs-link-hover-border-color;
+      // Prevents active .nav-link tab overlapping focus outline of previous/next .nav-link
+      isolation: isolate;
     }
 
     &.disabled {
-      color: $nav-disabled-link-color;
+      color: $nav-link-disabled-color;
       background-color: transparent;
       border-color: transparent;
     }
@@ -54,9 +63,9 @@
 
   .nav-link.active,
   .nav-item.show .nav-link {
-    color: $nav-tabs-active-link-hover-color;
-    background-color: $nav-tabs-active-link-hover-bg;
-    border-color: $nav-tabs-active-link-hover-border-color $nav-tabs-active-link-hover-border-color $nav-tabs-active-link-hover-bg;
+    color: $nav-tabs-link-active-color;
+    background-color: $nav-tabs-link-active-bg;
+    border-color: $nav-tabs-link-active-border-color;
   }
 
   .dropdown-menu {
@@ -74,14 +83,15 @@
 
 .nav-pills {
   .nav-link {
+    background: none;
+    border: 0;
     @include border-radius($nav-pills-border-radius);
   }
 
   .nav-link.active,
-  .nav-item.show .nav-link {
-    color: $nav-pills-active-link-color;
-    cursor: default;
-    background-color: $nav-pills-active-link-bg;
+  .show > .nav-link {
+    color: $nav-pills-link-active-color;
+    @include gradient-bg($nav-pills-link-active-bg);
   }
 }
 
@@ -91,6 +101,7 @@
 //
 
 .nav-fill {
+  > .nav-link,
   .nav-item {
     flex: 1 1 auto;
     text-align: center;
@@ -98,12 +109,21 @@
 }
 
 .nav-justified {
+  > .nav-link,
   .nav-item {
-    flex: 1 1 100%;
+    flex-basis: 0;
+    flex-grow: 1;
     text-align: center;
   }
 }
 
+.nav-fill,
+.nav-justified {
+  .nav-item .nav-link {
+    width: 100%; // Make sure button will grow
+  }
+}
+
 
 // Tabbable tabs
 //
diff --git a/sass/vendor/bootstrap/scss/_navbar.scss b/sass/vendor/bootstrap/scss/_navbar.scss
index 80beec8..2ccef11 100755..100644
--- a/sass/vendor/bootstrap/scss/_navbar.scss
+++ b/sass/vendor/bootstrap/scss/_navbar.scss
@@ -4,7 +4,6 @@
 // Navbar brand
 // Navbar nav
 // Navbar text
-// Navbar divider
 // Responsive navbar
 // Navbar position
 // Navbar themes
@@ -18,8 +17,35 @@
 .navbar {
   position: relative;
   display: flex;
-  flex-direction: column;
-  padding: $navbar-padding-y $navbar-padding-x;
+  flex-wrap: wrap; // allow us to do the line break for collapsing content
+  align-items: center;
+  justify-content: space-between; // space out brand from logo
+  padding-top: $navbar-padding-y;
+  padding-right: $navbar-padding-x; // default: null
+  padding-bottom: $navbar-padding-y;
+  padding-left: $navbar-padding-x; // default: null
+  @include gradient-bg();
+
+  // Because flex properties aren't inherited, we need to redeclare these first
+  // few properties so that content nested within behave properly.
+  // The `flex-wrap` property is inherited to simplify the expanded navbars
+  %container-flex-properties {
+    display: flex;
+    flex-wrap: inherit;
+    align-items: center;
+    justify-content: space-between;
+  }
+
+  > .container,
+  > .container-fluid {
+    @extend %container-flex-properties;
+  }
+
+  @each $breakpoint, $container-max-width in $container-max-widths {
+    > .container#{breakpoint-infix($breakpoint, $container-max-widths)} {
+      @extend %container-flex-properties;
+    }
+  }
 }
 
 
@@ -28,16 +54,16 @@
 // Used for brand, project, or site names.
 
 .navbar-brand {
-  display: inline-block;
-  padding-top: .25rem;
-  padding-bottom: .25rem;
-  margin-right: $navbar-padding-x;
-  font-size: $font-size-lg;
-  line-height: inherit;
+  padding-top: $navbar-brand-padding-y;
+  padding-bottom: $navbar-brand-padding-y;
+  margin-right: $navbar-brand-margin-end;
+  @include font-size($navbar-brand-font-size);
+  text-decoration: if($link-decoration == none, null, none);
   white-space: nowrap;
 
-  @include hover-focus {
-    text-decoration: none;
+  &:hover,
+  &:focus {
+    text-decoration: if($link-hover-decoration == underline, none, null);
   }
 }
 
@@ -57,6 +83,10 @@
     padding-right: 0;
     padding-left: 0;
   }
+
+  .dropdown-menu {
+    position: static;
+  }
 }
 
 
@@ -65,9 +95,8 @@
 //
 
 .navbar-text {
-  display: inline-block;
-  padding-top:    .425rem;
-  padding-bottom: .425rem;
+  padding-top: $nav-link-padding-y;
+  padding-bottom: $nav-link-padding-y;
 }
 
 
@@ -76,19 +105,36 @@
 // Custom styles for responsive collapsing and toggling of navbar contents.
 // Powered by the collapse Bootstrap JavaScript plugin.
 
+// When collapsed, prevent the toggleable navbar contents from appearing in
+// the default flexbox row orientation. Requires the use of `flex-wrap: wrap`
+// on the `.navbar` parent.
+.navbar-collapse {
+  flex-basis: 100%;
+  flex-grow: 1;
+  // For always expanded or extra full navbars, ensure content aligns itself
+  // properly vertically. Can be easily overridden with flex utilities.
+  align-items: center;
+}
+
 // Button for toggling the navbar when in its collapsed state
 .navbar-toggler {
-  align-self: flex-start; // Prevent toggler from growing to full width when it's the only visible navbar child
   padding: $navbar-toggler-padding-y $navbar-toggler-padding-x;
-  font-size: $navbar-toggler-font-size;
+  @include font-size($navbar-toggler-font-size);
   line-height: 1;
-  background: transparent; // remove default button style
+  background-color: transparent; // remove default button style
   border: $border-width solid transparent; // remove default button style
   @include border-radius($navbar-toggler-border-radius);
+  @include transition($navbar-toggler-transition);
 
-  @include hover-focus {
+  &:hover {
     text-decoration: none;
   }
+
+  &:focus {
+    text-decoration: none;
+    outline: 0;
+    box-shadow: 0 0 0 $navbar-toggler-focus-width;
+  }
 }
 
 // Keep as a separate element so folks can easily override it with another icon
@@ -98,71 +144,51 @@
   width: 1.5em;
   height: 1.5em;
   vertical-align: middle;
-  content: "";
-  background: no-repeat center center;
-  background-size: 100% 100%;
+  background-repeat: no-repeat;
+  background-position: center;
+  background-size: 100%;
 }
 
-// Use `position` on the toggler to prevent it from being auto placed as a flex
-// item and allow easy placement.
-.navbar-toggler-left {
-  position: absolute;
-  left: $navbar-padding-x;
-}
-.navbar-toggler-right {
-  position: absolute;
-  right: $navbar-padding-x;
+.navbar-nav-scroll {
+  max-height: var(--#{$variable-prefix}scroll-height, 75vh);
+  overflow-y: auto;
 }
 
-// Generate series of `.navbar-toggleable-*` responsive classes for configuring
+// scss-docs-start navbar-expand-loop
+// Generate series of `.navbar-expand-*` responsive classes for configuring
 // where your navbar collapses.
-.navbar-toggleable {
+.navbar-expand {
   @each $breakpoint in map-keys($grid-breakpoints) {
     $next: breakpoint-next($breakpoint, $grid-breakpoints);
-    $infix: breakpoint-infix($breakpoint, $grid-breakpoints);
+    $infix: breakpoint-infix($next, $grid-breakpoints);
 
+    // stylelint-disable-next-line scss/selector-no-union-class-name
     &#{$infix} {
-      @include media-breakpoint-down($breakpoint) {
-        .navbar-nav {
-          .dropdown-menu {
-            position: static;
-            float: none;
-          }
-        }
-
-        > .container {
-          padding-right: 0;
-          padding-left: 0;
-        }
-      }
-
       @include media-breakpoint-up($next) {
-        flex-direction: row;
         flex-wrap: nowrap;
-        align-items: center;
+        justify-content: flex-start;
 
         .navbar-nav {
           flex-direction: row;
 
+          .dropdown-menu {
+            position: absolute;
+          }
+
           .nav-link {
-            padding-right: .5rem;
-            padding-left: .5rem;
+            padding-right: $navbar-nav-link-padding-x;
+            padding-left: $navbar-nav-link-padding-x;
           }
         }
 
-        // For nesting containers, have to redeclare for alignment purposes
-        > .container {
-          display: flex;
-          flex-wrap: nowrap;
-          align-items: center;
+        .navbar-nav-scroll {
+          overflow: visible;
         }
 
-        // scss-lint:disable ImportantRule
         .navbar-collapse {
-          display: flex !important;
-          width: 100%;
+          display: flex !important; // stylelint-disable-line declaration-no-important
+          flex-basis: auto;
         }
-        // scss-lint:enable ImportantRule
 
         .navbar-toggler {
           display: none;
@@ -171,6 +197,7 @@
     }
   }
 }
+// scss-docs-end navbar-expand-loop
 
 
 // Navbar themes
@@ -179,12 +206,12 @@
 
 // Dark links against a light background
 .navbar-light {
-  .navbar-brand,
-  .navbar-toggler {
-    color: $navbar-light-active-color;
+  .navbar-brand {
+    color: $navbar-light-brand-color;
 
-    @include hover-focus {
-      color: $navbar-light-active-color;
+    &:hover,
+    &:focus {
+      color: $navbar-light-brand-hover-color;
     }
   }
 
@@ -192,7 +219,8 @@
     .nav-link {
       color: $navbar-light-color;
 
-      @include hover-focus {
+      &:hover,
+      &:focus {
         color: $navbar-light-hover-color;
       }
 
@@ -201,68 +229,78 @@
       }
     }
 
-    .open > .nav-link,
-    .active > .nav-link,
-    .nav-link.open,
+    .show > .nav-link,
     .nav-link.active {
       color: $navbar-light-active-color;
     }
   }
 
   .navbar-toggler {
-    border-color: $navbar-light-toggler-border;
+    color: $navbar-light-color;
+    border-color: $navbar-light-toggler-border-color;
   }
 
   .navbar-toggler-icon {
-    background-image: $navbar-light-toggler-bg;
+    background-image: escape-svg($navbar-light-toggler-icon-bg);
   }
 
   .navbar-text {
     color: $navbar-light-color;
+
+    a,
+    a:hover,
+    a:focus  {
+      color: $navbar-light-active-color;
+    }
   }
 }
 
 // White links against a dark background
-.navbar-inverse {
-  .navbar-brand,
-  .navbar-toggler {
-    color: $navbar-inverse-active-color;
+.navbar-dark {
+  .navbar-brand {
+    color: $navbar-dark-brand-color;
 
-    @include hover-focus {
-      color: $navbar-inverse-active-color;
+    &:hover,
+    &:focus {
+      color: $navbar-dark-brand-hover-color;
     }
   }
 
   .navbar-nav {
     .nav-link {
-      color: $navbar-inverse-color;
+      color: $navbar-dark-color;
 
-      @include hover-focus {
-        color: $navbar-inverse-hover-color;
+      &:hover,
+      &:focus {
+        color: $navbar-dark-hover-color;
       }
 
       &.disabled {
-        color: $navbar-inverse-disabled-color;
+        color: $navbar-dark-disabled-color;
       }
     }
 
-    .open > .nav-link,
-    .active > .nav-link,
-    .nav-link.open,
+    .show > .nav-link,
     .nav-link.active {
-      color: $navbar-inverse-active-color;
+      color: $navbar-dark-active-color;
     }
   }
 
   .navbar-toggler {
-    border-color: $navbar-inverse-toggler-border;
+    color: $navbar-dark-color;
+    border-color: $navbar-dark-toggler-border-color;
   }
 
   .navbar-toggler-icon {
-    background-image: $navbar-inverse-toggler-bg;
+    background-image: escape-svg($navbar-dark-toggler-icon-bg);
   }
 
   .navbar-text {
-    color: $navbar-inverse-color;
+    color: $navbar-dark-color;
+    a,
+    a:hover,
+    a:focus {
+      color: $navbar-dark-active-color;
+    }
   }
 }
diff --git a/sass/vendor/bootstrap/scss/_normalize.scss b/sass/vendor/bootstrap/scss/_normalize.scss
deleted file mode 100755
index 6bafd53..0000000
--- a/sass/vendor/bootstrap/scss/_normalize.scss
+++ /dev/null
@@ -1,461 +0,0 @@
-/*! normalize.css v5.0.0 | MIT License | github.com/necolas/normalize.css */
-
-//
-// 1. Change the default font family in all browsers (opinionated).
-// 2. Correct the line height in all browsers.
-// 3. Prevent adjustments of font size after orientation changes in
-//    IE on Windows Phone and in iOS.
-//
-
-// Document
-// ==========================================================================
-
-html {
-  font-family: sans-serif; // 1
-  line-height: 1.15; // 2
-  -ms-text-size-adjust: 100%; // 3
-  -webkit-text-size-adjust: 100%; // 3
-}
-
-// Sections
-// ==========================================================================
-
-//
-// Remove the margin in all browsers (opinionated).
-//
-
-body {
-  margin: 0;
-}
-
-//
-// Add the correct display in IE 9-.
-//
-
-article,
-aside,
-footer,
-header,
-nav,
-section {
-  display: block;
-}
-
-//
-// Correct the font size and margin on `h1` elements within `section` and
-// `article` contexts in Chrome, Firefox, and Safari.
-//
-
-h1 {
-  font-size: 2em;
-  margin: 0.67em 0;
-}
-
-// Grouping content
-// ==========================================================================
-
-//
-// Add the correct display in IE 9-.
-// 1. Add the correct display in IE.
-//
-
-figcaption,
-figure,
-main { // 1
-  display: block;
-}
-
-//
-// Add the correct margin in IE 8.
-//
-
-figure {
-  margin: 1em 40px;
-}
-
-//
-// 1. Add the correct box sizing in Firefox.
-// 2. Show the overflow in Edge and IE.
-//
-
-hr {
-  box-sizing: content-box; // 1
-  height: 0; // 1
-  overflow: visible; // 2
-}
-
-//
-// 1. Correct the inheritance and scaling of font size in all browsers.
-// 2. Correct the odd `em` font sizing in all browsers.
-//
-
-pre {
-  font-family: monospace, monospace; // 1
-  font-size: 1em; // 2
-}
-
-// Text-level semantics
-// ==========================================================================
-
-//
-// 1. Remove the gray background on active links in IE 10.
-// 2. Remove gaps in links underline in iOS 8+ and Safari 8+.
-//
-
-a {
-  background-color: transparent; // 1
-  -webkit-text-decoration-skip: objects; // 2
-}
-
-//
-// Remove the outline on focused links when they are also active or hovered
-// in all browsers (opinionated).
-//
-
-a:active,
-a:hover {
-  outline-width: 0;
-}
-
-//
-// 1. Remove the bottom border in Firefox 39-.
-// 2. Add the correct text decoration in Chrome, Edge, IE, Opera, and Safari.
-//
-
-abbr[title] {
-  border-bottom: none; // 1
-  text-decoration: underline; // 2
-  text-decoration: underline dotted; // 2
-}
-
-//
-// Prevent the duplicate application of `bolder` by the next rule in Safari 6.
-//
-
-b,
-strong {
-  font-weight: inherit;
-}
-
-//
-// Add the correct font weight in Chrome, Edge, and Safari.
-//
-
-b,
-strong {
-  font-weight: bolder;
-}
-
-//
-// 1. Correct the inheritance and scaling of font size in all browsers.
-// 2. Correct the odd `em` font sizing in all browsers.
-//
-
-code,
-kbd,
-samp {
-  font-family: monospace, monospace; // 1
-  font-size: 1em; // 2
-}
-
-//
-// Add the correct font style in Android 4.3-.
-//
-
-dfn {
-  font-style: italic;
-}
-
-//
-// Add the correct background and color in IE 9-.
-//
-
-mark {
-  background-color: #ff0;
-  color: #000;
-}
-
-//
-// Add the correct font size in all browsers.
-//
-
-small {
-  font-size: 80%;
-}
-
-//
-// Prevent `sub` and `sup` elements from affecting the line height in
-// all browsers.
-//
-
-sub,
-sup {
-  font-size: 75%;
-  line-height: 0;
-  position: relative;
-  vertical-align: baseline;
-}
-
-sub {
-  bottom: -0.25em;
-}
-
-sup {
-  top: -0.5em;
-}
-
-// Embedded content
-// ==========================================================================
-
-//
-// Add the correct display in IE 9-.
-//
-
-audio,
-video {
-  display: inline-block;
-}
-
-//
-// Add the correct display in iOS 4-7.
-//
-
-audio:not([controls]) {
-  display: none;
-  height: 0;
-}
-
-//
-// Remove the border on images inside links in IE 10-.
-//
-
-img {
-  border-style: none;
-}
-
-//
-// Hide the overflow in IE.
-//
-
-svg:not(:root) {
-  overflow: hidden;
-}
-
-// Forms
-// ==========================================================================
-
-//
-// 1. Change the font styles in all browsers (opinionated).
-// 2. Remove the margin in Firefox and Safari.
-//
-
-button,
-input,
-optgroup,
-select,
-textarea {
-  font-family: sans-serif; // 1
-  font-size: 100%; // 1
-  line-height: 1.15; // 1
-  margin: 0; // 2
-}
-
-//
-// Show the overflow in IE.
-// 1. Show the overflow in Edge.
-//
-
-button,
-input { // 1
-  overflow: visible;
-}
-
-//
-// Remove the inheritance of text transform in Edge, Firefox, and IE.
-// 1. Remove the inheritance of text transform in Firefox.
-//
-
-button,
-select { // 1
-  text-transform: none;
-}
-
-//
-// 1. Prevent a WebKit bug where (2) destroys native `audio` and `video`
-//    controls in Android 4.
-// 2. Correct the inability to style clickable types in iOS and Safari.
-//
-
-button,
-html [type="button"], // 1
-[type="reset"],
-[type="submit"] {
-  -webkit-appearance: button; // 2
-}
-
-//
-// Remove the inner border and padding in Firefox.
-//
-
-button::-moz-focus-inner,
-[type="button"]::-moz-focus-inner,
-[type="reset"]::-moz-focus-inner,
-[type="submit"]::-moz-focus-inner {
-  border-style: none;
-  padding: 0;
-}
-
-//
-// Restore the focus styles unset by the previous rule.
-//
-
-button:-moz-focusring,
-[type="button"]:-moz-focusring,
-[type="reset"]:-moz-focusring,
-[type="submit"]:-moz-focusring {
-  outline: 1px dotted ButtonText;
-}
-
-//
-// Change the border, margin, and padding in all browsers (opinionated).
-//
-
-fieldset {
-  border: 1px solid #c0c0c0;
-  margin: 0 2px;
-  padding: 0.35em 0.625em 0.75em;
-}
-
-//
-// 1. Correct the text wrapping in Edge and IE.
-// 2. Correct the color inheritance from `fieldset` elements in IE.
-// 3. Remove the padding so developers are not caught out when they zero out
-//    `fieldset` elements in all browsers.
-//
-
-legend {
-  box-sizing: border-box; // 1
-  color: inherit; // 2
-  display: table; // 1
-  max-width: 100%; // 1
-  padding: 0; // 3
-  white-space: normal; // 1
-}
-
-//
-// 1. Add the correct display in IE 9-.
-// 2. Add the correct vertical alignment in Chrome, Firefox, and Opera.
-//
-
-progress {
-  display: inline-block; // 1
-  vertical-align: baseline; // 2
-}
-
-//
-// Remove the default vertical scrollbar in IE.
-//
-
-textarea {
-  overflow: auto;
-}
-
-//
-// 1. Add the correct box sizing in IE 10-.
-// 2. Remove the padding in IE 10-.
-//
-
-[type="checkbox"],
-[type="radio"] {
-  box-sizing: border-box; // 1
-  padding: 0; // 2
-}
-
-//
-// Correct the cursor style of increment and decrement buttons in Chrome.
-//
-
-[type="number"]::-webkit-inner-spin-button,
-[type="number"]::-webkit-outer-spin-button {
-  height: auto;
-}
-
-//
-// 1. Correct the odd appearance in Chrome and Safari.
-// 2. Correct the outline style in Safari.
-//
-
-[type="search"] {
-  -webkit-appearance: textfield; // 1
-  outline-offset: -2px; // 2
-}
-
-//
-// Remove the inner padding and cancel buttons in Chrome and Safari on macOS.
-//
-
-[type="search"]::-webkit-search-cancel-button,
-[type="search"]::-webkit-search-decoration {
-  -webkit-appearance: none;
-}
-
-//
-// 1. Correct the inability to style clickable types in iOS and Safari.
-// 2. Change font properties to `inherit` in Safari.
-//
-
-::-webkit-file-upload-button {
-  -webkit-appearance: button; // 1
-  font: inherit; // 2
-}
-
-// Interactive
-// ==========================================================================
-
-//
-// Add the correct display in IE 9-.
-// 1. Add the correct display in Edge, IE, and Firefox.
-//
-
-details, // 1
-menu {
-  display: block;
-}
-
-//
-// Add the correct display in all browsers.
-//
-
-summary {
-  display: list-item;
-}
-
-// Scripting
-// ==========================================================================
-
-//
-// Add the correct display in IE 9-.
-//
-
-canvas {
-  display: inline-block;
-}
-
-//
-// Add the correct display in IE.
-//
-
-template {
-  display: none;
-}
-
-// Hidden
-// ==========================================================================
-
-//
-// Add the correct display in IE 10-.
-//
-
-[hidden] {
-  display: none;
-}
diff --git a/sass/vendor/bootstrap/scss/_offcanvas.scss b/sass/vendor/bootstrap/scss/_offcanvas.scss
new file mode 100644
index 0000000..91db686
--- /dev/null
+++ b/sass/vendor/bootstrap/scss/_offcanvas.scss
@@ -0,0 +1,79 @@
+.offcanvas {
+  position: fixed;
+  bottom: 0;
+  z-index: $zindex-offcanvas;
+  display: flex;
+  flex-direction: column;
+  max-width: 100%;
+  color: $offcanvas-color;
+  visibility: hidden;
+  background-color: $offcanvas-bg-color;
+  background-clip: padding-box;
+  outline: 0;
+  @include box-shadow($offcanvas-box-shadow);
+  @include transition(transform $offcanvas-transition-duration ease-in-out);
+}
+
+.offcanvas-header {
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  padding: $offcanvas-padding-y $offcanvas-padding-x;
+
+  .btn-close {
+    padding: ($offcanvas-padding-y * .5) ($offcanvas-padding-x * .5);
+    margin-top: $offcanvas-padding-y * -.5;
+    margin-right: $offcanvas-padding-x * -.5;
+    margin-bottom: $offcanvas-padding-y * -.5;
+  }
+}
+
+.offcanvas-title {
+  margin-bottom: 0;
+  line-height: $offcanvas-title-line-height;
+}
+
+.offcanvas-body {
+  flex-grow: 1;
+  padding: $offcanvas-padding-y $offcanvas-padding-x;
+  overflow-y: auto;
+}
+
+.offcanvas-start {
+  top: 0;
+  left: 0;
+  width: $offcanvas-horizontal-width;
+  border-right: $offcanvas-border-width solid $offcanvas-border-color;
+  transform: translateX(-100%);
+}
+
+.offcanvas-end {
+  top: 0;
+  right: 0;
+  width: $offcanvas-horizontal-width;
+  border-left: $offcanvas-border-width solid $offcanvas-border-color;
+  transform: translateX(100%);
+}
+
+.offcanvas-top {
+  top: 0;
+  right: 0;
+  left: 0;
+  height: $offcanvas-vertical-height;
+  max-height: 100%;
+  border-bottom: $offcanvas-border-width solid $offcanvas-border-color;
+  transform: translateY(-100%);
+}
+
+.offcanvas-bottom {
+  right: 0;
+  left: 0;
+  height: $offcanvas-vertical-height;
+  max-height: 100%;
+  border-top: $offcanvas-border-width solid $offcanvas-border-color;
+  transform: translateY(100%);
+}
+
+.offcanvas.show {
+  transform: none;
+}
diff --git a/sass/vendor/bootstrap/scss/_pagination.scss b/sass/vendor/bootstrap/scss/_pagination.scss
index 24aa028..9c46666 100755..100644
--- a/sass/vendor/bootstrap/scss/_pagination.scss
+++ b/sass/vendor/bootstrap/scss/_pagination.scss
@@ -1,55 +1,51 @@
 .pagination {
   display: flex;
-  // 1-2: Disable browser default list styles
-  padding-left: 0; // 1
-  list-style: none; // 2
-  @include border-radius();
+  @include list-unstyled();
 }
 
-.page-item {
-  &:first-child {
-    .page-link {
-      margin-left: 0;
-      @include border-left-radius($border-radius);
-    }
+.page-link {
+  position: relative;
+  display: block;
+  color: $pagination-color;
+  text-decoration: if($link-decoration == none, null, none);
+  background-color: $pagination-bg;
+  border: $pagination-border-width solid $pagination-border-color;
+  @include transition($pagination-transition);
+
+  &:hover {
+    z-index: 2;
+    color: $pagination-hover-color;
+    text-decoration: if($link-hover-decoration == underline, none, null);
+    background-color: $pagination-hover-bg;
+    border-color: $pagination-hover-border-color;
   }
-  &:last-child {
-    .page-link {
-      @include border-right-radius($border-radius);
-    }
+
+  &:focus {
+    z-index: 3;
+    color: $pagination-focus-color;
+    background-color: $pagination-focus-bg;
+    outline: $pagination-focus-outline;
+    box-shadow: $pagination-focus-box-shadow;
+  }
+}
+
+.page-item {
+  &:not(:first-child) .page-link {
+    margin-left: $pagination-margin-start;
   }
 
   &.active .page-link {
-    z-index: 2;
+    z-index: 3;
     color: $pagination-active-color;
-    background-color: $pagination-active-bg;
-    border-color: $pagination-active-border;
+    @include gradient-bg($pagination-active-bg);
+    border-color: $pagination-active-border-color;
   }
 
   &.disabled .page-link {
     color: $pagination-disabled-color;
     pointer-events: none;
-    cursor: $cursor-disabled; // While `pointer-events: none` removes the cursor in modern browsers, we provide a disabled cursor as a fallback.
     background-color: $pagination-disabled-bg;
-    border-color: $pagination-disabled-border;
-  }
-}
-
-.page-link {
-  position: relative;
-  display: block;
-  padding: $pagination-padding-y $pagination-padding-x;
-  margin-left: -1px;
-  line-height: $pagination-line-height;
-  color: $pagination-color;
-  background-color: $pagination-bg;
-  border: $pagination-border-width solid $pagination-border-color;
-
-  @include hover-focus {
-    color: $pagination-hover-color;
-    text-decoration: none;
-    background-color: $pagination-hover-bg;
-    border-color: $pagination-hover-border;
+    border-color: $pagination-disabled-border-color;
   }
 }
 
@@ -57,11 +53,12 @@
 //
 // Sizing
 //
+@include pagination-size($pagination-padding-y, $pagination-padding-x, null, $pagination-border-radius);
 
 .pagination-lg {
-  @include pagination-size($pagination-padding-y-lg, $pagination-padding-x-lg, $font-size-lg, $line-height-lg, $border-radius-lg);
+  @include pagination-size($pagination-padding-y-lg, $pagination-padding-x-lg, $font-size-lg, $pagination-border-radius-lg);
 }
 
 .pagination-sm {
-  @include pagination-size($pagination-padding-y-sm, $pagination-padding-x-sm, $font-size-sm, $line-height-sm, $border-radius-sm);
+  @include pagination-size($pagination-padding-y-sm, $pagination-padding-x-sm, $font-size-sm, $pagination-border-radius-sm);
 }
diff --git a/sass/vendor/bootstrap/scss/_popover.scss b/sass/vendor/bootstrap/scss/_popover.scss
index 1b63634..3b8208e 100755..100644
--- a/sass/vendor/bootstrap/scss/_popover.scss
+++ b/sass/vendor/bootstrap/scss/_popover.scss
@@ -1,171 +1,158 @@
 .popover {
   position: absolute;
   top: 0;
-  left: 0;
+  left: 0 #{"/* rtl:ignore */"};
   z-index: $zindex-popover;
   display: block;
   max-width: $popover-max-width;
-  padding: $popover-inner-padding;
   // Our parent element can be arbitrary since tooltips are by default inserted as a sibling of their target element.
   // So reset our font and text properties to avoid inheriting weird values.
   @include reset-text();
-  font-size: $font-size-sm;
+  @include font-size($popover-font-size);
   // Allow breaking very long words so they don't overflow the popover's bounds
   word-wrap: break-word;
   background-color: $popover-bg;
   background-clip: padding-box;
   border: $popover-border-width solid $popover-border-color;
-  @include border-radius($border-radius-lg);
+  @include border-radius($popover-border-radius);
   @include box-shadow($popover-box-shadow);
 
-
-  // Popover directions
-
-  &.popover-top,
-  &.bs-tether-element-attached-bottom {
-    margin-top: -$popover-arrow-width;
+  .popover-arrow {
+    position: absolute;
+    display: block;
+    width: $popover-arrow-width;
+    height: $popover-arrow-height;
 
     &::before,
     &::after {
-      left: 50%;
-      border-bottom-width: 0;
+      position: absolute;
+      display: block;
+      content: "";
+      border-color: transparent;
+      border-style: solid;
     }
+  }
+}
+
+.bs-popover-top {
+  > .popover-arrow {
+    bottom: subtract(-$popover-arrow-height, $popover-border-width);
 
     &::before {
-      bottom: -$popover-arrow-outer-width;
-      margin-left: -$popover-arrow-outer-width;
+      bottom: 0;
+      border-width: $popover-arrow-height ($popover-arrow-width * .5) 0;
       border-top-color: $popover-arrow-outer-color;
     }
 
     &::after {
-      bottom: -($popover-arrow-outer-width - 1);
-      margin-left: -$popover-arrow-width;
+      bottom: $popover-border-width;
+      border-width: $popover-arrow-height ($popover-arrow-width * .5) 0;
       border-top-color: $popover-arrow-color;
     }
   }
+}
 
-  &.popover-right,
-  &.bs-tether-element-attached-left {
-    margin-left: $popover-arrow-width;
-
-    &::before,
-    &::after {
-      top: 50%;
-      border-left-width: 0;
-    }
+.bs-popover-end {
+  > .popover-arrow {
+    left: subtract(-$popover-arrow-height, $popover-border-width);
+    width: $popover-arrow-height;
+    height: $popover-arrow-width;
 
     &::before {
-      left: -$popover-arrow-outer-width;
-      margin-top: -$popover-arrow-outer-width;
+      left: 0;
+      border-width: ($popover-arrow-width * .5) $popover-arrow-height ($popover-arrow-width * .5) 0;
       border-right-color: $popover-arrow-outer-color;
     }
 
     &::after {
-      left: -($popover-arrow-outer-width - 1);
-      margin-top: -($popover-arrow-outer-width - 1);
+      left: $popover-border-width;
+      border-width: ($popover-arrow-width * .5) $popover-arrow-height ($popover-arrow-width * .5) 0;
       border-right-color: $popover-arrow-color;
     }
   }
+}
 
-  &.popover-bottom,
-  &.bs-tether-element-attached-top {
-    margin-top: $popover-arrow-width;
-
-    &::before,
-    &::after {
-      left: 50%;
-      border-top-width: 0;
-    }
+.bs-popover-bottom {
+  > .popover-arrow {
+    top: subtract(-$popover-arrow-height, $popover-border-width);
 
     &::before {
-      top: -$popover-arrow-outer-width;
-      margin-left: -$popover-arrow-outer-width;
+      top: 0;
+      border-width: 0 ($popover-arrow-width * .5) $popover-arrow-height ($popover-arrow-width * .5);
       border-bottom-color: $popover-arrow-outer-color;
     }
 
     &::after {
-      top: -($popover-arrow-outer-width - 1);
-      margin-left: -$popover-arrow-width;
-      border-bottom-color: $popover-title-bg;
-    }
-
-    // This will remove the popover-title's border just below the arrow
-    .popover-title::before {
-      position: absolute;
-      top: 0;
-      left: 50%;
-      display: block;
-      width: 20px;
-      margin-left: -10px;
-      content: "";
-      border-bottom: 1px solid $popover-title-bg;
+      top: $popover-border-width;
+      border-width: 0 ($popover-arrow-width * .5) $popover-arrow-height ($popover-arrow-width * .5);
+      border-bottom-color: $popover-arrow-color;
     }
   }
 
-  &.popover-left,
-  &.bs-tether-element-attached-right {
-    margin-left: -$popover-arrow-width;
+  // This will remove the popover-header's border just below the arrow
+  .popover-header::before {
+    position: absolute;
+    top: 0;
+    left: 50%;
+    display: block;
+    width: $popover-arrow-width;
+    margin-left: -$popover-arrow-width * .5;
+    content: "";
+    border-bottom: $popover-border-width solid $popover-header-bg;
+  }
+}
 
-    &::before,
-    &::after {
-      top: 50%;
-      border-right-width: 0;
-    }
+.bs-popover-start {
+  > .popover-arrow {
+    right: subtract(-$popover-arrow-height, $popover-border-width);
+    width: $popover-arrow-height;
+    height: $popover-arrow-width;
 
     &::before {
-      right: -$popover-arrow-outer-width;
-      margin-top: -$popover-arrow-outer-width;
+      right: 0;
+      border-width: ($popover-arrow-width * .5) 0 ($popover-arrow-width * .5) $popover-arrow-height;
       border-left-color: $popover-arrow-outer-color;
     }
 
     &::after {
-      right: -($popover-arrow-outer-width - 1);
-      margin-top: -($popover-arrow-outer-width - 1);
+      right: $popover-border-width;
+      border-width: ($popover-arrow-width * .5) 0 ($popover-arrow-width * .5) $popover-arrow-height;
       border-left-color: $popover-arrow-color;
     }
   }
 }
 
+.bs-popover-auto {
+  &[data-popper-placement^="top"] {
+    @extend .bs-popover-top;
+  }
+  &[data-popper-placement^="right"] {
+    @extend .bs-popover-end;
+  }
+  &[data-popper-placement^="bottom"] {
+    @extend .bs-popover-bottom;
+  }
+  &[data-popper-placement^="left"] {
+    @extend .bs-popover-start;
+  }
+}
 
 // Offset the popover to account for the popover arrow
-.popover-title {
-  padding: $popover-title-padding-y $popover-title-padding-x;
+.popover-header {
+  padding: $popover-header-padding-y $popover-header-padding-x;
   margin-bottom: 0; // Reset the default from Reboot
-  font-size: $font-size-base;
-  background-color: $popover-title-bg;
-  border-bottom: $popover-border-width solid darken($popover-title-bg, 5%);
-  $offset-border-width: calc(#{$border-radius-lg} - #{$popover-border-width});
-  @include border-top-radius($offset-border-width);
+  @include font-size($font-size-base);
+  color: $popover-header-color;
+  background-color: $popover-header-bg;
+  border-bottom: $popover-border-width solid $popover-border-color;
+  @include border-top-radius($popover-inner-border-radius);
 
   &:empty {
     display: none;
   }
 }
 
-.popover-content {
-  padding: $popover-content-padding-y $popover-content-padding-x;
-}
-
-
-// Arrows
-//
-// .popover-arrow is outer, .popover-arrow::after is inner
-
-.popover::before,
-.popover::after {
-  position: absolute;
-  display: block;
-  width: 0;
-  height: 0;
-  border-color: transparent;
-  border-style: solid;
-}
-
-.popover::before {
-  content: "";
-  border-width: $popover-arrow-outer-width;
-}
-.popover::after {
-  content: "";
-  border-width: $popover-arrow-width;
+.popover-body {
+  padding: $popover-body-padding-y $popover-body-padding-x;
+  color: $popover-body-color;
 }
diff --git a/sass/vendor/bootstrap/scss/_print.scss b/sass/vendor/bootstrap/scss/_print.scss
deleted file mode 100755
index e20219a..0000000
--- a/sass/vendor/bootstrap/scss/_print.scss
+++ /dev/null
@@ -1,119 +0,0 @@
-// scss-lint:disable QualifyingElement
-
-// Source: https://github.com/h5bp/html5-boilerplate/blob/master/src/css/main.css
-
-// ==========================================================================
-// Print styles.
-// Inlined to avoid the additional HTTP request:
-// http://www.phpied.com/delay-loading-your-print-css/
-// ==========================================================================
-
-@if $enable-print-styles {
-  @media print {
-    *,
-    *::before,
-    *::after,
-    p::first-letter,
-    div::first-letter,
-    blockquote::first-letter,
-    li::first-letter,
-    p::first-line,
-    div::first-line,
-    blockquote::first-line,
-    li::first-line {
-      // Bootstrap specific; comment out `color` and `background`
-      //color: #000 !important; // Black prints faster:
-                                //   http://www.sanbeiji.com/archives/953
-      text-shadow: none !important;
-      //background: transparent !important;
-      box-shadow: none !important;
-    }
-
-    a,
-    a:visited {
-      text-decoration: underline;
-    }
-
-    // Bootstrap specific; comment the following selector out
-    //a[href]::after {
-    //  content: " (" attr(href) ")";
-    //}
-
-    abbr[title]::after {
-      content: " (" attr(title) ")";
-    }
-
-    // Bootstrap specific; comment the following selector out
-    //
-    // Don't show links that are fragment identifiers,
-    // or use the `javascript:` pseudo protocol
-    //
-
-    //a[href^="#"]::after,
-    //a[href^="javascript:"]::after {
-    // content: "";
-    //}
-
-    pre {
-      white-space: pre-wrap !important;
-    }
-    pre,
-    blockquote {
-      border: $border-width solid #999;   // Bootstrap custom code; using `$border-width` instead of 1px
-      page-break-inside: avoid;
-    }
-
-    //
-    // Printing Tables:
-    // http://css-discuss.incutio.com/wiki/Printing_Tables
-    //
-
-    thead {
-      display: table-header-group;
-    }
-
-    tr,
-    img {
-      page-break-inside: avoid;
-    }
-
-    p,
-    h2,
-    h3 {
-      orphans: 3;
-      widows: 3;
-    }
-
-    h2,
-    h3 {
-      page-break-after: avoid;
-    }
-
-    // Bootstrap specific changes start
-
-    // Bootstrap components
-    .navbar {
-      display: none;
-    }
-    .badge {
-      border: $border-width solid #000;
-    }
-
-    .table {
-      border-collapse: collapse !important;
-
-      td,
-      th {
-        background-color: #fff !important;
-      }
-    }
-    .table-bordered {
-      th,
-      td {
-        border: 1px solid #ddd !important;
-      }
-    }
-
-    // Bootstrap specific changes end
-  }
-}
diff --git a/sass/vendor/bootstrap/scss/_progress.scss b/sass/vendor/bootstrap/scss/_progress.scss
index 02e4c3b..5715ab0 100755..100644
--- a/sass/vendor/bootstrap/scss/_progress.scss
+++ b/sass/vendor/bootstrap/scss/_progress.scss
@@ -1,32 +1,48 @@
-// Progress animations
-@keyframes progress-bar-stripes {
-  from { background-position: $progress-height 0; }
-  to { background-position: 0 0; }
+// Disable animation if transitions are disabled
+
+// scss-docs-start progress-keyframes
+@if $enable-transitions {
+  @keyframes progress-bar-stripes {
+    0% { background-position-x: $progress-height; }
+  }
 }
+// scss-docs-end progress-keyframes
 
-// Basic progress bar
 .progress {
   display: flex;
+  height: $progress-height;
   overflow: hidden; // force rounded corners by cropping it
-  font-size: $progress-font-size;
-  line-height: $progress-height;
-  text-align: center;
+  @include font-size($progress-font-size);
   background-color: $progress-bg;
   @include border-radius($progress-border-radius);
+  @include box-shadow($progress-box-shadow);
 }
+
 .progress-bar {
-  height: $progress-height;
+  display: flex;
+  flex-direction: column;
+  justify-content: center;
+  overflow: hidden;
   color: $progress-bar-color;
+  text-align: center;
+  white-space: nowrap;
   background-color: $progress-bar-bg;
+  @include transition($progress-bar-transition);
 }
 
-// Striped
 .progress-bar-striped {
   @include gradient-striped();
   background-size: $progress-height $progress-height;
 }
 
-// Animated
-.progress-bar-animated {
-  animation: progress-bar-stripes $progress-bar-animation-timing;
+@if $enable-transitions {
+  .progress-bar-animated {
+    animation: $progress-bar-animation-timing progress-bar-stripes;
+
+    @if $enable-reduced-motion {
+      @media (prefers-reduced-motion: reduce) {
+        animation: none;
+      }
+    }
+  }
 }
diff --git a/sass/vendor/bootstrap/scss/_reboot.scss b/sass/vendor/bootstrap/scss/_reboot.scss
index 557829f..3520469 100755..100644
--- a/sass/vendor/bootstrap/scss/_reboot.scss
+++ b/sass/vendor/bootstrap/scss/_reboot.scss
@@ -1,133 +1,169 @@
-// scss-lint:disable QualifyingElement, DuplicateProperty
+// stylelint-disable declaration-no-important, selector-no-qualifying-type, property-no-vendor-prefix
+
 
 // Reboot
 //
-// Global resets to common HTML elements and more for easier usage by Bootstrap.
-// Adds additional rules on top of Normalize.css, including several overrides.
+// Normalization of HTML elements, manually forked from Normalize.css to remove
+// styles targeting irrelevant browsers while applying new styles.
+//
+// Normalize is licensed MIT. https://github.com/necolas/normalize.css
 
 
-// Reset the box-sizing
-//
-// Change from `box-sizing: content-box` to `border-box` so that when you add
-// `padding` or `border`s to an element, the overall declared `width` does not
-// change. For example, `width: 100px;` will always be `100px` despite the
-// `border: 10px solid red;` and `padding: 20px;`.
-//
-// Heads up! This reset may cause conflicts with some third-party widgets. For
-// recommendations on resolving such conflicts, see
-// https://getbootstrap.com/getting-started/#third-box-sizing.
+// Document
 //
-// Credit: https://css-tricks.com/inheriting-box-sizing-probably-slightly-better-best-practice/
-
-html {
-  box-sizing: border-box;
-}
+// Change from `box-sizing: content-box` so that `width` is not affected by `padding` or `border`.
 
 *,
 *::before,
 *::after {
-  box-sizing: inherit;
+  box-sizing: border-box;
 }
 
 
-// Make viewport responsive
-//
-// @viewport is needed because IE 10+ doesn't honor <meta name="viewport"> in
-// some cases. See https://timkadlec.com/2012/10/ie10-snap-mode-and-responsive-design/.
-// Eventually @viewport will replace <meta name="viewport">.
-//
-// However, `device-width` is broken on IE 10 on Windows (Phone) 8,
-// (see https://timkadlec.com/2013/01/windows-phone-8-and-device-width/ and https://github.com/twbs/bootstrap/issues/10497)
-// and the fix for that involves a snippet of JavaScript to sniff the user agent
-// and apply some conditional CSS.
+// Root
 //
-// See https://getbootstrap.com/getting-started/#support-ie10-width for the relevant hack.
-//
-// Wrap `@viewport` with `@at-root` for when folks do a nested import (e.g.,
-// `.class-name { @import "bootstrap"; }`).
-@at-root {
-  @-ms-viewport { width: device-width; }
-}
+// Ability to the value of the root font sizes, affecting the value of `rem`.
+// null by default, thus nothing is generated.
 
+:root {
+  font-size: $font-size-root;
 
-//
-// Reset HTML, body, and more
-//
-
-html {
-  // We assume no initial pixel `font-size` for accessibility reasons. This
-  // allows web visitors to customize their browser default font-size, making
-  // your project more inclusive and accessible to everyone.
+  @if $enable-smooth-scroll {
+    @media (prefers-reduced-motion: no-preference) {
+      scroll-behavior: smooth;
+    }
+  }
+}
 
-  // As a side-effect of setting the @viewport above,
-  // IE11 & Edge make the scrollbar overlap the content and automatically hide itself when not in use.
-  // Unfortunately, the auto-showing of the scrollbar is sometimes too sensitive,
-  // thus making it hard to click on stuff near the right edge of the page.
-  // So we add this style to force IE11 & Edge to use a "normal", non-overlapping, non-auto-hiding scrollbar.
-  // See https://github.com/twbs/bootstrap/issues/18543
-  // and https://developer.microsoft.com/en-us/microsoft-edge/platform/issues/7165383/
-  -ms-overflow-style: scrollbar;
 
-  // Changes the default tap highlight to be completely transparent in iOS.
-  -webkit-tap-highlight-color: rgba(0,0,0,0);
-}
+// Body
+//
+// 1. Remove the margin in all browsers.
+// 2. As a best practice, apply a default `background-color`.
+// 3. Prevent adjustments of font size after orientation changes in iOS.
+// 4. Change the default tap highlight to be completely transparent in iOS.
 
 body {
+  margin: 0; // 1
   font-family: $font-family-base;
-  font-size: $font-size-base;
+  @include font-size($font-size-base);
   font-weight: $font-weight-base;
   line-height: $line-height-base;
-  // Go easy on the eyes and use something other than `#000` for text
   color: $body-color;
-  // By default, `<body>` has no `background-color` so we set one as a best practice.
-  background-color: $body-bg;
+  text-align: $body-text-align;
+  background-color: $body-bg; // 2
+  -webkit-text-size-adjust: 100%; // 3
+  -webkit-tap-highlight-color: rgba($black, 0); // 4
 }
 
-// Suppress the focus outline on elements that cannot be accessed via keyboard.
-// This prevents an unwanted focus outline from appearing around elements that
-// might still respond to pointer events.
+
+// Content grouping
 //
-// Credit: https://github.com/suitcss/base
-[tabindex="-1"]:focus {
-  outline: none !important;
+// 1. Reset Firefox's gray color
+// 2. Set correct height and prevent the `size` attribute to make the `hr` look like an input field
+
+hr {
+  margin: $hr-margin-y 0;
+  color: $hr-color; // 1
+  background-color: currentColor;
+  border: 0;
+  opacity: $hr-opacity;
+}
+
+hr:not([size]) {
+  height: $hr-height; // 2
 }
 
 
-//
 // Typography
 //
+// 1. Remove top margins from headings
+//    By default, `<h1>`-`<h6>` all receive top and bottom margins. We nuke the top
+//    margin for easier control within type scales as it avoids margin collapsing.
 
-// Remove top margins from headings
-//
-// By default, `<h1>`-`<h6>` all receive top and bottom margins. We nuke the top
-// margin for easier control within type scales as it avoids margin collapsing.
-h1, h2, h3, h4, h5, h6 {
-  margin-top: 0;
-  margin-bottom: .5rem;
+%heading {
+  margin-top: 0; // 1
+  margin-bottom: $headings-margin-bottom;
+  font-family: $headings-font-family;
+  font-style: $headings-font-style;
+  font-weight: $headings-font-weight;
+  line-height: $headings-line-height;
+  color: $headings-color;
+}
+
+h1 {
+  @extend %heading;
+  @include font-size($h1-font-size);
+}
+
+h2 {
+  @extend %heading;
+  @include font-size($h2-font-size);
+}
+
+h3 {
+  @extend %heading;
+  @include font-size($h3-font-size);
+}
+
+h4 {
+  @extend %heading;
+  @include font-size($h4-font-size);
+}
+
+h5 {
+  @extend %heading;
+  @include font-size($h5-font-size);
 }
 
+h6 {
+  @extend %heading;
+  @include font-size($h6-font-size);
+}
+
+
 // Reset margins on paragraphs
 //
 // Similarly, the top margin on `<p>`s get reset. However, we also reset the
 // bottom margin to use `rem` units instead of `em`.
+
 p {
   margin-top: 0;
-  margin-bottom: 1rem;
+  margin-bottom: $paragraph-margin-bottom;
 }
 
+
 // Abbreviations
+//
+// 1. Duplicate behavior to the data-bs-* attribute for our tooltip plugin
+// 2. Add the correct text decoration in Chrome, Edge, Opera, and Safari.
+// 3. Add explicit cursor to indicate changed behavior.
+// 4. Prevent the text-decoration to be skipped.
+
 abbr[title],
-// Add data-* attribute to help out our tooltip plugin, per https://github.com/twbs/bootstrap/issues/5257
-abbr[data-original-title] {
-  cursor: help;
+abbr[data-bs-original-title] { // 1
+  text-decoration: underline dotted; // 2
+  cursor: help; // 3
+  text-decoration-skip-ink: none; // 4
 }
 
+
+// Address
+
 address {
   margin-bottom: 1rem;
   font-style: normal;
   line-height: inherit;
 }
 
+
+// Lists
+
+ol,
+ul {
+  padding-left: 2rem;
+}
+
 ol,
 ul,
 dl {
@@ -146,244 +182,440 @@ dt {
   font-weight: $dt-font-weight;
 }
 
+// 1. Undo browser default
+
 dd {
   margin-bottom: .5rem;
-  margin-left: 0; // Undo browser default
+  margin-left: 0; // 1
 }
 
+
+// Blockquote
+
 blockquote {
   margin: 0 0 1rem;
 }
 
 
+// Strong
 //
-// Links
+// Add the correct font weight in Chrome, Edge, and Safari
+
+b,
+strong {
+  font-weight: $font-weight-bolder;
+}
+
+
+// Small
 //
+// Add the correct font size in all browsers
+
+small {
+  @include font-size($small-font-size);
+}
+
+
+// Mark
+
+mark {
+  padding: $mark-padding;
+  background-color: $mark-bg;
+}
+
+
+// Sub and Sup
+//
+// Prevent `sub` and `sup` elements from affecting the line height in
+// all browsers.
+
+sub,
+sup {
+  position: relative;
+  @include font-size($sub-sup-font-size);
+  line-height: 0;
+  vertical-align: baseline;
+}
+
+sub { bottom: -.25em; }
+sup { top: -.5em; }
+
+
+// Links
 
 a {
   color: $link-color;
   text-decoration: $link-decoration;
 
-  @include hover-focus {
+  &:hover {
     color: $link-hover-color;
     text-decoration: $link-hover-decoration;
   }
 }
 
-// And undo these styles for placeholder links/named anchors (without href)
-// which have not been made explicitly keyboard-focusable (without tabindex).
+// And undo these styles for placeholder links/named anchors (without href).
 // It would be more straightforward to just use a[href] in previous block, but that
 // causes specificity issues in many other styles that are too complex to fix.
 // See https://github.com/twbs/bootstrap/issues/19402
 
-a:not([href]):not([tabindex]) {
-  color: inherit;
-  text-decoration: none;
-
-  @include hover-focus {
+a:not([href]):not([class]) {
+  &,
+  &:hover {
     color: inherit;
     text-decoration: none;
   }
-
-  &:focus {
-    outline: 0;
-  }
 }
 
 
-//
 // Code
-//
 
-pre {
-  // Remove browser default top margin
-  margin-top: 0;
-  // Reset browser default of `1em` to use `rem`s
-  margin-bottom: 1rem;
-  // Normalize v4 removed this property, causing `<pre>` content to break out of wrapping code snippets
-  overflow: auto;
+pre,
+code,
+kbd,
+samp {
+  font-family: $font-family-code;
+  @include font-size(1em); // Correct the odd `em` font sizing in all browsers.
+  direction: ltr #{"/* rtl:ignore */"};
+  unicode-bidi: bidi-override;
 }
 
+// 1. Remove browser default top margin
+// 2. Reset browser default of `1em` to use `rem`s
+// 3. Don't allow content to break outside
 
-//
-// Figures
-//
-
-figure {
-  // Normalize adds `margin` to `figure`s as browsers apply it inconsistently.
-  // We reset that to create a better flow in-page.
-  margin: 0 0 1rem;
+pre {
+  display: block;
+  margin-top: 0; // 1
+  margin-bottom: 1rem; // 2
+  overflow: auto; // 3
+  @include font-size($code-font-size);
+  color: $pre-color;
+
+  // Account for some code outputs that place code tags in pre tags
+  code {
+    @include font-size(inherit);
+    color: inherit;
+    word-break: normal;
+  }
 }
 
+code {
+  @include font-size($code-font-size);
+  color: $code-color;
+  word-wrap: break-word;
 
-//
-// Images
-//
+  // Streamline the style when inside anchors to avoid broken underline and more
+  a > & {
+    color: inherit;
+  }
+}
 
-img {
-  // By default, `<img>`s are `inline-block`. This assumes that, and vertically
-  // centers them. This won't apply should you reset them to `block` level.
-  vertical-align: middle;
-  // Note: `<img>`s are deliberately not made responsive by default.
-  // For the rationale behind this, see the comments on the `.img-fluid` class.
+kbd {
+  padding: $kbd-padding-y $kbd-padding-x;
+  @include font-size($kbd-font-size);
+  color: $kbd-color;
+  background-color: $kbd-bg;
+  @include border-radius($border-radius-sm);
+
+  kbd {
+    padding: 0;
+    @include font-size(1em);
+    font-weight: $nested-kbd-font-weight;
+  }
 }
 
 
-// iOS "clickable elements" fix for role="button"
+// Figures
 //
-// Fixes "clickability" issue (and more generally, the firing of events such as focus as well)
-// for traditionally non-focusable elements with role="button"
-// see https://developer.mozilla.org/en-US/docs/Web/Events/click#Safari_Mobile
+// Apply a consistent margin strategy (matches our type styles).
 
-[role="button"] {
-  cursor: pointer;
+figure {
+  margin: 0 0 1rem;
 }
 
 
-// Avoid 300ms click delay on touch devices that support the `touch-action` CSS property.
-//
-// In particular, unlike most other browsers, IE11+Edge on Windows 10 on touch devices and IE Mobile 10-11
-// DON'T remove the click delay when `<meta name="viewport" content="width=device-width">` is present.
-// However, they DO support removing the click delay via `touch-action: manipulation`.
-// See:
-// * https://v4-alpha.getbootstrap.com/content/reboot/#click-delay-optimization-for-touch
-// * http://caniuse.com/#feat=css-touch-action
-// * https://patrickhlauke.github.io/touch/tests/results/#suppressing-300ms-delay
-
-a,
-area,
-button,
-[role="button"],
-input,
-label,
-select,
-summary,
-textarea {
-  touch-action: manipulation;
+// Images and content
+
+img,
+svg {
+  vertical-align: middle;
 }
 
 
-//
 // Tables
 //
+// Prevent double borders
 
 table {
-  // No longer part of Normalize since v4
+  caption-side: bottom;
   border-collapse: collapse;
-  // Reset for nesting within parents with `background-color`.
-  background-color: $table-bg;
 }
 
 caption {
-  padding-top: $table-cell-padding;
-  padding-bottom: $table-cell-padding;
-  color: $text-muted;
+  padding-top: $table-cell-padding-y;
+  padding-bottom: $table-cell-padding-y;
+  color: $table-caption-color;
   text-align: left;
-  caption-side: bottom;
 }
 
+// 1. Removes font-weight bold by inheriting
+// 2. Matches default `<td>` alignment by inheriting `text-align`.
+// 3. Fix alignment for Safari
+
 th {
-  // Centered by default, but left-align-ed to match the `td`s below.
-  text-align: left;
+  font-weight: $table-th-font-weight; // 1
+  text-align: inherit; // 2
+  text-align: -webkit-match-parent; // 3
+}
+
+thead,
+tbody,
+tfoot,
+tr,
+td,
+th {
+  border-color: inherit;
+  border-style: solid;
+  border-width: 0;
 }
 
 
-//
 // Forms
 //
+// 1. Allow labels to use `margin` for spacing.
 
 label {
-  // Allow labels to use `margin` for spacing.
-  display: inline-block;
-  margin-bottom: .5rem;
+  display: inline-block; // 1
 }
 
-// Work around a Firefox/IE bug where the transparent `button` background
-// results in a loss of the default `button` focus styles.
-//
-// Credit: https://github.com/suitcss/base/
-button:focus {
-  outline: 1px dotted;
-  outline: 5px auto -webkit-focus-ring-color;
+// Remove the default `border-radius` that macOS Chrome adds.
+// See https://github.com/twbs/bootstrap/issues/24093
+
+button {
+  // stylelint-disable-next-line property-disallowed-list
+  border-radius: 0;
 }
 
+// Explicitly remove focus outline in Chromium when it shouldn't be
+// visible (e.g. as result of mouse click or touch tap). It already
+// should be doing this automatically, but seems to currently be
+// confused and applies its very visible two-tone outline anyway.
+
+button:focus:not(:focus-visible) {
+  outline: 0;
+}
+
+// 1. Remove the margin in Firefox and Safari
+
 input,
 button,
 select,
+optgroup,
 textarea {
-  // Normalize includes `font: inherit;`, so `font-family`. `font-size`, etc are
-  // properly inherited. However, `line-height` isn't inherited there.
+  margin: 0; // 1
+  font-family: inherit;
+  @include font-size(inherit);
   line-height: inherit;
 }
 
-input[type="radio"],
-input[type="checkbox"] {
-  // Apply a disabled cursor for radios and checkboxes.
-  //
-  // Note: Neither radios nor checkboxes can be readonly.
+// Remove the inheritance of text transform in Firefox
+button,
+select {
+  text-transform: none;
+}
+// Set the cursor for non-`<button>` buttons
+//
+// Details at https://github.com/twbs/bootstrap/pull/30562
+[role="button"] {
+  cursor: pointer;
+}
+
+select {
+  // Remove the inheritance of word-wrap in Safari.
+  // See https://github.com/twbs/bootstrap/issues/24990
+  word-wrap: normal;
+
+  // Undo the opacity change from Chrome
   &:disabled {
-    cursor: $cursor-disabled;
+    opacity: 1;
+  }
+}
+
+// Remove the dropdown arrow in Chrome from inputs built with datalists.
+// See https://stackoverflow.com/a/54997118
+
+[list]::-webkit-calendar-picker-indicator {
+  display: none;
+}
+
+// 1. Prevent a WebKit bug where (2) destroys native `audio` and `video`
+//    controls in Android 4.
+// 2. Correct the inability to style clickable types in iOS and Safari.
+// 3. Opinionated: add "hand" cursor to non-disabled button elements.
+
+button,
+[type="button"], // 1
+[type="reset"],
+[type="submit"] {
+  -webkit-appearance: button; // 2
+
+  @if $enable-button-pointers {
+    &:not(:disabled) {
+      cursor: pointer; // 3
+    }
   }
 }
 
+// Remove inner border and padding from Firefox, but don't restore the outline like Normalize.
 
-input[type="date"],
-input[type="time"],
-input[type="datetime-local"],
-input[type="month"] {
-  // Remove the default appearance of temporal inputs to avoid a Mobile Safari
-  // bug where setting a custom line-height prevents text from being vertically
-  // centered within the input.
-  // See https://bugs.webkit.org/show_bug.cgi?id=139848
-  // and https://github.com/twbs/bootstrap/issues/11266
-  -webkit-appearance: listbox;
+::-moz-focus-inner {
+  padding: 0;
+  border-style: none;
 }
 
+// 1. Textareas should really only resize vertically so they don't break their (horizontal) containers.
+
 textarea {
-  // Textareas should really only resize vertically so they don't break their (horizontal) containers.
-  resize: vertical;
+  resize: vertical; // 1
 }
 
+// 1. Browsers set a default `min-width: min-content;` on fieldsets,
+//    unlike e.g. `<div>`s, which have `min-width: 0;` by default.
+//    So we reset that to ensure fieldsets behave more like a standard block element.
+//    See https://github.com/twbs/bootstrap/issues/12359
+//    and https://html.spec.whatwg.org/multipage/#the-fieldset-and-legend-elements
+// 2. Reset the default outline behavior of fieldsets so they don't affect page layout.
+
 fieldset {
-  // Browsers set a default `min-width: min-content;` on fieldsets,
-  // unlike e.g. `<div>`s, which have `min-width: 0;` by default.
-  // So we reset that to ensure fieldsets behave more like a standard block element.
-  // See https://github.com/twbs/bootstrap/issues/12359
-  // and https://html.spec.whatwg.org/multipage/#the-fieldset-and-legend-elements
-  min-width: 0;
-  // Reset the default outline behavior of fieldsets so they don't affect page layout.
-  padding: 0;
-  margin: 0;
-  border: 0;
+  min-width: 0; // 1
+  padding: 0; // 2
+  margin: 0; // 2
+  border: 0; // 2
 }
 
+// 1. By using `float: left`, the legend will behave like a block element.
+//    This way the border of a fieldset wraps around the legend if present.
+// 2. Fix wrapping bug.
+//    See https://github.com/twbs/bootstrap/issues/29712
+
 legend {
-  // Reset the entire legend element to match the `fieldset`
-  display: block;
+  float: left; // 1
   width: 100%;
   padding: 0;
-  margin-bottom: .5rem;
-  font-size: 1.5rem;
+  margin-bottom: $legend-margin-bottom;
+  @include font-size($legend-font-size);
+  font-weight: $legend-font-weight;
   line-height: inherit;
+
+  + * {
+    clear: left; // 2
+  }
+}
+
+// Fix height of inputs with a type of datetime-local, date, month, week, or time
+// See https://github.com/twbs/bootstrap/issues/18842
+
+::-webkit-datetime-edit-fields-wrapper,
+::-webkit-datetime-edit-text,
+::-webkit-datetime-edit-minute,
+::-webkit-datetime-edit-hour-field,
+::-webkit-datetime-edit-day-field,
+::-webkit-datetime-edit-month-field,
+::-webkit-datetime-edit-year-field {
+  padding: 0;
+}
+
+::-webkit-inner-spin-button {
+  height: auto;
 }
 
-input[type="search"] {
-  // This overrides the extra rounded corners on search inputs in iOS so that our
-  // `.form-control` class can properly style them. Note that this cannot simply
-  // be added to `.form-control` as it's not specific enough. For details, see
-  // https://github.com/twbs/bootstrap/issues/11586.
+// 1. Correct the outline style in Safari.
+// 2. This overrides the extra rounded corners on search inputs in iOS so that our
+//    `.form-control` class can properly style them. Note that this cannot simply
+//    be added to `.form-control` as it's not specific enough. For details, see
+//    https://github.com/twbs/bootstrap/issues/11586.
+
+[type="search"] {
+  outline-offset: -2px; // 1
+  -webkit-appearance: textfield; // 2
+}
+
+// 1. A few input types should stay LTR
+// See https://rtlstyling.com/posts/rtl-styling#form-inputs
+// 2. RTL only output
+// See https://rtlcss.com/learn/usage-guide/control-directives/#raw
+
+/* rtl:raw:
+[type="tel"],
+[type="url"],
+[type="email"],
+[type="number"] {
+  direction: ltr;
+}
+*/
+
+// Remove the inner padding in Chrome and Safari on macOS.
+
+::-webkit-search-decoration {
   -webkit-appearance: none;
 }
 
-// todo: needed?
+// Remove padding around color pickers in webkit browsers
+
+::-webkit-color-swatch-wrapper {
+  padding: 0;
+}
+
+
+// Inherit font family and line height for file input buttons
+
+::file-selector-button {
+  font: inherit;
+}
+
+// 1. Change font properties to `inherit`
+// 2. Correct the inability to style clickable types in iOS and Safari.
+
+::-webkit-file-upload-button {
+  font: inherit; // 1
+  -webkit-appearance: button; // 2
+}
+
+// Correct element displays
+
 output {
   display: inline-block;
-//  font-size: $font-size-base;
-//  line-height: $line-height;
-//  color: $input-color;
 }
 
-// Always hide an element with the `hidden` HTML attribute (from PureCSS).
+// Remove border from iframe
+
+iframe {
+  border: 0;
+}
+
+// Summary
+//
+// 1. Add the correct display in all browsers
+
+summary {
+  display: list-item; // 1
+  cursor: pointer;
+}
+
+
+// Progress
+//
+// Add the correct vertical alignment in Chrome, Firefox, and Opera.
+
+progress {
+  vertical-align: baseline;
+}
+
+
+// Hidden attribute
+//
+// Always hide an element with the `hidden` HTML attribute.
+
 [hidden] {
   display: none !important;
 }
diff --git a/sass/vendor/bootstrap/scss/_responsive-embed.scss b/sass/vendor/bootstrap/scss/_responsive-embed.scss
deleted file mode 100755
index d3362b6..0000000
--- a/sass/vendor/bootstrap/scss/_responsive-embed.scss
+++ /dev/null
@@ -1,52 +0,0 @@
-// Credit: Nicolas Gallagher and SUIT CSS.
-
-.embed-responsive {
-  position: relative;
-  display: block;
-  width: 100%;
-  padding: 0;
-  overflow: hidden;
-
-  &::before {
-    display: block;
-    content: "";
-  }
-
-  .embed-responsive-item,
-  iframe,
-  embed,
-  object,
-  video {
-    position: absolute;
-    top: 0;
-    bottom: 0;
-    left: 0;
-    width: 100%;
-    height: 100%;
-    border: 0;
-  }
-}
-
-.embed-responsive-21by9 {
-  &::before {
-    padding-top: percentage(9 / 21);
-  }
-}
-
-.embed-responsive-16by9 {
-  &::before {
-    padding-top: percentage(9 / 16);
-  }
-}
-
-.embed-responsive-4by3 {
-  &::before {
-    padding-top: percentage(3 / 4);
-  }
-}
-
-.embed-responsive-1by1 {
-  &::before {
-    padding-top: percentage(1 / 1);
-  }
-}
diff --git a/sass/vendor/bootstrap/scss/_root.scss b/sass/vendor/bootstrap/scss/_root.scss
new file mode 100644
index 0000000..768d634
--- /dev/null
+++ b/sass/vendor/bootstrap/scss/_root.scss
@@ -0,0 +1,16 @@
+:root {
+  // Custom variable values only support SassScript inside `#{}`.
+  @each $color, $value in $colors {
+    --#{$variable-prefix}#{$color}: #{$value};
+  }
+
+  @each $color, $value in $theme-colors {
+    --#{$variable-prefix}#{$color}: #{$value};
+  }
+
+  // Use `inspect` for lists so that quoted items keep the quotes.
+  // See https://github.com/sass/sass/issues/2383#issuecomment-336349172
+  --#{$variable-prefix}font-sans-serif: #{inspect($font-family-sans-serif)};
+  --#{$variable-prefix}font-monospace: #{inspect($font-family-monospace)};
+  --#{$variable-prefix}gradient: #{$gradient};
+}
diff --git a/sass/vendor/bootstrap/scss/_spinners.scss b/sass/vendor/bootstrap/scss/_spinners.scss
new file mode 100644
index 0000000..a4a2c77
--- /dev/null
+++ b/sass/vendor/bootstrap/scss/_spinners.scss
@@ -0,0 +1,69 @@
+//
+// Rotating border
+//
+
+// scss-docs-start spinner-border-keyframes
+@keyframes spinner-border {
+  to { transform: rotate(360deg) #{"/* rtl:ignore */"}; }
+}
+// scss-docs-end spinner-border-keyframes
+
+.spinner-border {
+  display: inline-block;
+  width: $spinner-width;
+  height: $spinner-height;
+  vertical-align: $spinner-vertical-align;
+  border: $spinner-border-width solid currentColor;
+  border-right-color: transparent;
+  // stylelint-disable-next-line property-disallowed-list
+  border-radius: 50%;
+  animation: $spinner-animation-speed linear infinite spinner-border;
+}
+
+.spinner-border-sm {
+  width: $spinner-width-sm;
+  height: $spinner-height-sm;
+  border-width: $spinner-border-width-sm;
+}
+
+//
+// Growing circle
+//
+
+// scss-docs-start spinner-grow-keyframes
+@keyframes spinner-grow {
+  0% {
+    transform: scale(0);
+  }
+  50% {
+    opacity: 1;
+    transform: none;
+  }
+}
+// scss-docs-end spinner-grow-keyframes
+
+.spinner-grow {
+  display: inline-block;
+  width: $spinner-width;
+  height: $spinner-height;
+  vertical-align: $spinner-vertical-align;
+  background-color: currentColor;
+  // stylelint-disable-next-line property-disallowed-list
+  border-radius: 50%;
+  opacity: 0;
+  animation: $spinner-animation-speed linear infinite spinner-grow;
+}
+
+.spinner-grow-sm {
+  width: $spinner-width-sm;
+  height: $spinner-height-sm;
+}
+
+@if $enable-reduced-motion {
+  @media (prefers-reduced-motion: reduce) {
+    .spinner-border,
+    .spinner-grow {
+      animation-duration: $spinner-animation-speed * 2;
+    }
+  }
+}
diff --git a/sass/vendor/bootstrap/scss/_tables.scss b/sass/vendor/bootstrap/scss/_tables.scss
index 47be2c5..92556ba 100755..100644
--- a/sass/vendor/bootstrap/scss/_tables.scss
+++ b/sass/vendor/bootstrap/scss/_tables.scss
@@ -3,29 +3,54 @@
 //
 
 .table {
+  --#{$variable-prefix}table-bg: #{$table-bg};
+  --#{$variable-prefix}table-accent-bg: #{$table-accent-bg};
+  --#{$variable-prefix}table-striped-color: #{$table-striped-color};
+  --#{$variable-prefix}table-striped-bg: #{$table-striped-bg};
+  --#{$variable-prefix}table-active-color: #{$table-active-color};
+  --#{$variable-prefix}table-active-bg: #{$table-active-bg};
+  --#{$variable-prefix}table-hover-color: #{$table-hover-color};
+  --#{$variable-prefix}table-hover-bg: #{$table-hover-bg};
+
   width: 100%;
-  max-width: 100%;
   margin-bottom: $spacer;
+  color: $table-color;
+  vertical-align: $table-cell-vertical-align;
+  border-color: $table-border-color;
+
+  // Target th & td
+  // We need the child combinator to prevent styles leaking to nested tables which doesn't have a `.table` class.
+  // We use the universal selectors here to simplify the selector (else we would need 6 different selectors).
+  // Another advantage is that this generates less code and makes the selector less specific making it easier to override.
+  // stylelint-disable-next-line selector-max-universal
+  > :not(caption) > * > * {
+    padding: $table-cell-padding-y $table-cell-padding-x;
+    background-color: var(--#{$variable-prefix}table-bg);
+    border-bottom-width: $table-border-width;
+    box-shadow: inset 0 0 0 9999px var(--#{$variable-prefix}table-accent-bg);
+  }
 
-  th,
-  td {
-    padding: $table-cell-padding;
-    vertical-align: top;
-    border-top: $table-border-width solid $table-border-color;
+  > tbody {
+    vertical-align: inherit;
   }
 
-  thead th {
+  > thead {
     vertical-align: bottom;
-    border-bottom: (2 * $table-border-width) solid $table-border-color;
   }
 
-  tbody + tbody {
-    border-top: (2 * $table-border-width) solid $table-border-color;
+  // Highlight border color between thead, tbody and tfoot.
+  > :not(:last-child) > :last-child > * {
+    border-bottom-color: $table-group-separator-color;
   }
+}
 
-  .table {
-    background-color: $body-bg;
-  }
+
+//
+// Change placement of captions with a class
+//
+
+.caption-top {
+  caption-side: top;
 }
 
 
@@ -34,120 +59,93 @@
 //
 
 .table-sm {
-  th,
-  td {
-    padding: $table-sm-cell-padding;
+  // stylelint-disable-next-line selector-max-universal
+  > :not(caption) > * > * {
+    padding: $table-cell-padding-y-sm $table-cell-padding-x-sm;
   }
 }
 
 
-// Bordered version
+// Border versions
+//
+// Add or remove borders all around the table and between all the columns.
 //
-// Add borders all around the table and between all the columns.
+// When borders are added on all sides of the cells, the corners can render odd when
+// these borders do not have the same color or if they are semi-transparent.
+// Therefor we add top and border bottoms to the `tr`s and left and right borders
+// to the `td`s or `th`s
 
 .table-bordered {
-  border: $table-border-width solid $table-border-color;
+  > :not(caption) > * {
+    border-width: $table-border-width 0;
 
-  th,
-  td {
-    border: $table-border-width solid $table-border-color;
-  }
-
-  thead {
-    th,
-    td {
-      border-bottom-width: (2 * $table-border-width);
+    // stylelint-disable-next-line selector-max-universal
+    > * {
+      border-width: 0 $table-border-width;
     }
   }
 }
 
+.table-borderless {
+  // stylelint-disable-next-line selector-max-universal
+  > :not(caption) > * > * {
+    border-bottom-width: 0;
+  }
+}
 
 // Zebra-striping
 //
 // Default zebra-stripe styles (alternating gray and transparent backgrounds)
 
 .table-striped {
-  tbody tr:nth-of-type(odd) {
-    background-color: $table-bg-accent;
+  > tbody > tr:nth-of-type(#{$table-striped-order}) {
+    --#{$variable-prefix}table-accent-bg: var(--#{$variable-prefix}table-striped-bg);
+    color: var(--#{$variable-prefix}table-striped-color);
   }
 }
 
+// Active table
+//
+// The `.table-active` class can be added to highlight rows or cells
+
+.table-active {
+  --#{$variable-prefix}table-accent-bg: var(--#{$variable-prefix}table-active-bg);
+  color: var(--#{$variable-prefix}table-active-color);
+}
 
 // Hover effect
 //
 // Placed here since it has to come after the potential zebra striping
 
 .table-hover {
-  tbody tr {
-    @include hover {
-      background-color: $table-bg-hover;
-    }
+  > tbody > tr:hover {
+    --#{$variable-prefix}table-accent-bg: var(--#{$variable-prefix}table-hover-bg);
+    color: var(--#{$variable-prefix}table-hover-color);
   }
 }
 
 
-// Table backgrounds
+// Table variants
 //
-// Exact selectors below required to override `.table-striped` and prevent
-// inheritance to nested tables.
-
-// Generate the contextual variants
-@include table-row-variant(active, $table-bg-active);
-@include table-row-variant(success, $state-success-bg);
-@include table-row-variant(info, $state-info-bg);
-@include table-row-variant(warning, $state-warning-bg);
-@include table-row-variant(danger, $state-danger-bg);
+// Table variants set the table cell backgrounds, border colors
+// and the colors of the striped, hovered & active tables
 
-
-// Inverse styles
-//
-// Same table markup, but inverted color scheme: dark background and light text.
-
-.thead-inverse {
-  th {
-    color: $table-inverse-color;
-    background-color: $table-inverse-bg;
-  }
+@each $color, $value in $table-variants {
+  @include table-variant($color, $value);
 }
 
-.thead-default {
-  th {
-    color: $table-head-color;
-    background-color: $table-head-bg;
-  }
-}
-
-.table-inverse {
-  color: $table-inverse-color;
-  background-color: $table-inverse-bg;
-
-  th,
-  td,
-  thead th {
-    border-color: $body-bg;
-  }
-
-  &.table-bordered {
-    border: 0;
-  }
-}
-
-
-
 // Responsive tables
 //
-// Add `.table-responsive` to `.table`s and we'll make them mobile friendly by
-// enabling horizontal scrolling. Only applies <768px. Everything above that
-// will display normally.
+// Generate series of `.table-responsive-*` classes for configuring the screen
+// size of where your table will overflow.
 
-.table-responsive {
-  display: block;
-  width: 100%;
-  overflow-x: auto;
-  -ms-overflow-style: -ms-autohiding-scrollbar; // See https://github.com/twbs/bootstrap/pull/10057
+@each $breakpoint in map-keys($grid-breakpoints) {
+  $infix: breakpoint-infix($breakpoint, $grid-breakpoints);
 
-  // Prevent double border on horizontal scroll due to use of `display: block;`
-  &.table-bordered {
-    border: 0;
+  @include media-breakpoint-down($breakpoint) {
+    .table-responsive#{$infix} {
+      overflow-x: auto;
+      -webkit-overflow-scrolling: touch;
+    }
   }
 }
diff --git a/sass/vendor/bootstrap/scss/_toasts.scss b/sass/vendor/bootstrap/scss/_toasts.scss
new file mode 100644
index 0000000..717aae5
--- /dev/null
+++ b/sass/vendor/bootstrap/scss/_toasts.scss
@@ -0,0 +1,51 @@
+.toast {
+  width: $toast-max-width;
+  max-width: 100%;
+  @include font-size($toast-font-size);
+  color: $toast-color;
+  pointer-events: auto;
+  background-color: $toast-background-color;
+  background-clip: padding-box;
+  border: $toast-border-width solid $toast-border-color;
+  box-shadow: $toast-box-shadow;
+  @include border-radius($toast-border-radius);
+
+  &:not(.showing):not(.show) {
+    opacity: 0;
+  }
+
+  &.hide {
+    display: none;
+  }
+}
+
+.toast-container {
+  width: max-content;
+  max-width: 100%;
+  pointer-events: none;
+
+  > :not(:last-child) {
+    margin-bottom: $toast-spacing;
+  }
+}
+
+.toast-header {
+  display: flex;
+  align-items: center;
+  padding: $toast-padding-y $toast-padding-x;
+  color: $toast-header-color;
+  background-color: $toast-header-background-color;
+  background-clip: padding-box;
+  border-bottom: $toast-border-width solid $toast-header-border-color;
+  @include border-top-radius(subtract($toast-border-radius, $toast-border-width));
+
+  .btn-close {
+    margin-right: $toast-padding-x * -.5;
+    margin-left: $toast-padding-x;
+  }
+}
+
+.toast-body {
+  padding: $toast-padding-x; // apply to both vertical and horizontal
+  word-wrap: break-word;
+}
diff --git a/sass/vendor/bootstrap/scss/_tooltip.scss b/sass/vendor/bootstrap/scss/_tooltip.scss
index 24e198d..75ff078 100755..100644
--- a/sass/vendor/bootstrap/scss/_tooltip.scss
+++ b/sass/vendor/bootstrap/scss/_tooltip.scss
@@ -3,74 +3,107 @@
   position: absolute;
   z-index: $zindex-tooltip;
   display: block;
+  margin: $tooltip-margin;
   // Our parent element can be arbitrary since tooltips are by default inserted as a sibling of their target element.
   // So reset our font and text properties to avoid inheriting weird values.
   @include reset-text();
-  font-size: $font-size-sm;
+  @include font-size($tooltip-font-size);
   // Allow breaking very long words so they don't overflow the tooltip's bounds
   word-wrap: break-word;
   opacity: 0;
 
   &.show { opacity: $tooltip-opacity; }
 
-  &.tooltip-top,
-  &.bs-tether-element-attached-bottom {
-    padding: $tooltip-arrow-width 0;
-    margin-top: -$tooltip-margin;
+  .tooltip-arrow {
+    position: absolute;
+    display: block;
+    width: $tooltip-arrow-width;
+    height: $tooltip-arrow-height;
 
-    .tooltip-inner::before {
-      bottom: 0;
-      left: 50%;
-      margin-left: -$tooltip-arrow-width;
+    &::before {
+      position: absolute;
       content: "";
-      border-width: $tooltip-arrow-width $tooltip-arrow-width 0;
+      border-color: transparent;
+      border-style: solid;
+    }
+  }
+}
+
+.bs-tooltip-top {
+  padding: $tooltip-arrow-height 0;
+
+  .tooltip-arrow {
+    bottom: 0;
+
+    &::before {
+      top: -1px;
+      border-width: $tooltip-arrow-height ($tooltip-arrow-width * .5) 0;
       border-top-color: $tooltip-arrow-color;
     }
   }
-  &.tooltip-right,
-  &.bs-tether-element-attached-left {
-    padding: 0 $tooltip-arrow-width;
-    margin-left: $tooltip-margin;
-
-    .tooltip-inner::before {
-      top: 50%;
-      left: 0;
-      margin-top: -$tooltip-arrow-width;
-      content: "";
-      border-width: $tooltip-arrow-width $tooltip-arrow-width $tooltip-arrow-width 0;
+}
+
+.bs-tooltip-end {
+  padding: 0 $tooltip-arrow-height;
+
+  .tooltip-arrow {
+    left: 0;
+    width: $tooltip-arrow-height;
+    height: $tooltip-arrow-width;
+
+    &::before {
+      right: -1px;
+      border-width: ($tooltip-arrow-width * .5) $tooltip-arrow-height ($tooltip-arrow-width * .5) 0;
       border-right-color: $tooltip-arrow-color;
     }
   }
-  &.tooltip-bottom,
-  &.bs-tether-element-attached-top {
-    padding: $tooltip-arrow-width 0;
-    margin-top: $tooltip-margin;
-
-    .tooltip-inner::before {
-      top: 0;
-      left: 50%;
-      margin-left: -$tooltip-arrow-width;
-      content: "";
-      border-width: 0 $tooltip-arrow-width $tooltip-arrow-width;
+}
+
+.bs-tooltip-bottom {
+  padding: $tooltip-arrow-height 0;
+
+  .tooltip-arrow {
+    top: 0;
+
+    &::before {
+      bottom: -1px;
+      border-width: 0 ($tooltip-arrow-width * .5) $tooltip-arrow-height;
       border-bottom-color: $tooltip-arrow-color;
     }
   }
-  &.tooltip-left,
-  &.bs-tether-element-attached-right {
-    padding: 0 $tooltip-arrow-width;
-    margin-left: -$tooltip-margin;
-
-    .tooltip-inner::before {
-      top: 50%;
-      right: 0;
-      margin-top: -$tooltip-arrow-width;
-      content: "";
-      border-width: $tooltip-arrow-width 0 $tooltip-arrow-width $tooltip-arrow-width;
+}
+
+.bs-tooltip-start {
+  padding: 0 $tooltip-arrow-height;
+
+  .tooltip-arrow {
+    right: 0;
+    width: $tooltip-arrow-height;
+    height: $tooltip-arrow-width;
+
+    &::before {
+      left: -1px;
+      border-width: ($tooltip-arrow-width * .5) 0 ($tooltip-arrow-width * .5) $tooltip-arrow-height;
       border-left-color: $tooltip-arrow-color;
     }
   }
 }
 
+.bs-tooltip-auto {
+  &[data-popper-placement^="top"] {
+    @extend .bs-tooltip-top;
+  }
+  &[data-popper-placement^="right"] {
+    @extend .bs-tooltip-end;
+  }
+  &[data-popper-placement^="bottom"] {
+    @extend .bs-tooltip-bottom;
+  }
+  &[data-popper-placement^="left"] {
+    @extend .bs-tooltip-start;
+  }
+}
+
 // Wrapper for the tooltip content
 .tooltip-inner {
   max-width: $tooltip-max-width;
@@ -78,13 +111,5 @@
   color: $tooltip-color;
   text-align: center;
   background-color: $tooltip-bg;
-  @include border-radius($border-radius);
-
-  &::before {
-    position: absolute;
-    width: 0;
-    height: 0;
-    border-color: transparent;
-    border-style: solid;
-  }
+  @include border-radius($tooltip-border-radius);
 }
diff --git a/sass/vendor/bootstrap/scss/_transitions.scss b/sass/vendor/bootstrap/scss/_transitions.scss
index 86c04a5..2905df4 100755..100644
--- a/sass/vendor/bootstrap/scss/_transitions.scss
+++ b/sass/vendor/bootstrap/scss/_transitions.scss
@@ -1,34 +1,21 @@
 .fade {
-  opacity: 0;
   @include transition($transition-fade);
 
-  &.show {
-    opacity: 1;
+  &:not(.show) {
+    opacity: 0;
   }
 }
 
+// scss-docs-start collapse-classes
 .collapse {
-  display: none;
-  &.show {
-    display: block;
-  }
-}
-
-tr {
-  &.collapse.show {
-    display: table-row;
-  }
-}
-
-tbody {
-  &.collapse.show {
-    display: table-row-group;
+  &:not(.show) {
+    display: none;
   }
 }
 
 .collapsing {
-  position: relative;
   height: 0;
   overflow: hidden;
   @include transition($transition-collapse);
 }
+// scss-docs-end collapse-classes
diff --git a/sass/vendor/bootstrap/scss/_type.scss b/sass/vendor/bootstrap/scss/_type.scss
index 13a64b0..b2d524c 100755..100644
--- a/sass/vendor/bootstrap/scss/_type.scss
+++ b/sass/vendor/bootstrap/scss/_type.scss
@@ -1,91 +1,67 @@
 //
 // Headings
 //
-
-h1, h2, h3, h4, h5, h6,
-.h1, .h2, .h3, .h4, .h5, .h6 {
-  margin-bottom: $headings-margin-bottom;
-  font-family: $headings-font-family;
-  font-weight: $headings-font-weight;
-  line-height: $headings-line-height;
-  color: $headings-color;
+.h1 {
+  @extend h1;
 }
 
-h1, .h1 { font-size: $font-size-h1; }
-h2, .h2 { font-size: $font-size-h2; }
-h3, .h3 { font-size: $font-size-h3; }
-h4, .h4 { font-size: $font-size-h4; }
-h5, .h5 { font-size: $font-size-h5; }
-h6, .h6 { font-size: $font-size-h6; }
-
-.lead {
-  font-size: $lead-font-size;
-  font-weight: $lead-font-weight;
+.h2 {
+  @extend h2;
 }
 
-// Type display classes
-.display-1 {
-  font-size: $display1-size;
-  font-weight: $display1-weight;
-  line-height: $display-line-height;
-}
-.display-2 {
-  font-size: $display2-size;
-  font-weight: $display2-weight;
-  line-height: $display-line-height;
+.h3 {
+  @extend h3;
 }
-.display-3 {
-  font-size: $display3-size;
-  font-weight: $display3-weight;
-  line-height: $display-line-height;
+
+.h4 {
+  @extend h4;
 }
-.display-4 {
-  font-size: $display4-size;
-  font-weight: $display4-weight;
-  line-height: $display-line-height;
+
+.h5 {
+  @extend h5;
 }
 
+.h6 {
+  @extend h6;
+}
 
-//
-// Horizontal rules
-//
 
-hr {
-  margin-top: $spacer-y;
-  margin-bottom: $spacer-y;
-  border: 0;
-  border-top: $hr-border-width solid $hr-border-color;
+.lead {
+  @include font-size($lead-font-size);
+  font-weight: $lead-font-weight;
 }
 
+// Type display classes
+@each $display, $font-size in $display-font-sizes {
+  .display-#{$display} {
+    @include font-size($font-size);
+    font-weight: $display-font-weight;
+    line-height: $display-line-height;
+  }
+}
 
 //
 // Emphasis
 //
-
-small,
 .small {
-  font-size: $small-font-size;
-  font-weight: $font-weight-normal;
+  @extend small;
 }
 
-mark,
 .mark {
-  padding: $mark-padding;
-  background-color: $mark-bg;
+  @extend mark;
 }
 
-
 //
 // Lists
 //
 
 .list-unstyled {
-  @include list-unstyled;
+  @include list-unstyled();
 }
 
 // Inline turns list items into inline-block
 .list-inline {
-  @include list-unstyled;
+  @include list-unstyled();
 }
 .list-inline-item {
   display: inline-block;
@@ -102,42 +78,27 @@ mark,
 
 // Builds on `abbr`
 .initialism {
-  font-size: 90%;
+  @include font-size($initialism-font-size);
   text-transform: uppercase;
 }
 
 // Blockquotes
 .blockquote {
-  padding: ($spacer / 2) $spacer;
-  margin-bottom: $spacer;
-  font-size: $blockquote-font-size;
-  border-left: $blockquote-border-width solid $blockquote-border-color;
-}
+  margin-bottom: $blockquote-margin-y;
+  @include font-size($blockquote-font-size);
 
-.blockquote-footer {
-  display: block;
-  font-size: 80%; // back to default font-size
-  color: $blockquote-small-color;
-
-  &::before {
-    content: "\2014 \00A0"; // em dash, nbsp
+  > :last-child {
+    margin-bottom: 0;
   }
 }
 
-// Opposite alignment of blockquote
-.blockquote-reverse {
-  padding-right: $spacer;
-  padding-left: 0;
-  text-align: right;
-  border-right: $blockquote-border-width solid $blockquote-border-color;
-  border-left: 0;
-}
+.blockquote-footer {
+  margin-top: -$blockquote-margin-y;
+  margin-bottom: $blockquote-margin-y;
+  @include font-size($blockquote-footer-font-size);
+  color: $blockquote-footer-color;
 
-.blockquote-reverse .blockquote-footer {
   &::before {
-    content: "";
-  }
-  &::after {
-    content: "\00A0 \2014"; // nbsp, em dash
+    content: "\2014\00A0"; // em dash, nbsp
   }
 }
diff --git a/sass/vendor/bootstrap/scss/_utilities.scss b/sass/vendor/bootstrap/scss/_utilities.scss
index 7d08ff2..3c927cf 100755..100644
--- a/sass/vendor/bootstrap/scss/_utilities.scss
+++ b/sass/vendor/bootstrap/scss/_utilities.scss
@@ -1,13 +1,594 @@
-@import "utilities/align";
-@import "utilities/background";
-@import "utilities/borders";
-@import "utilities/clearfix";
-@import "utilities/display";
-@import "utilities/flex";
-@import "utilities/float";
-@import "utilities/position";
-@import "utilities/screenreaders";
-@import "utilities/sizing";
-@import "utilities/spacing";
-@import "utilities/text";
-@import "utilities/visibility";
+// stylelint-disable indentation
+
+// Utilities
+
+$utilities: () !default;
+// stylelint-disable-next-line scss/dollar-variable-default
+$utilities: map-merge(
+  (
+    // scss-docs-start utils-vertical-align
+    "align": (
+      property: vertical-align,
+      class: align,
+      values: baseline top middle bottom text-bottom text-top
+    ),
+    // scss-docs-end utils-vertical-align
+    // scss-docs-start utils-float
+    "float": (
+      responsive: true,
+      property: float,
+      values: (
+        start: left,
+        end: right,
+        none: none,
+      )
+    ),
+    // scss-docs-end utils-float
+    // scss-docs-start utils-overflow
+    "overflow": (
+      property: overflow,
+      values: auto hidden visible scroll,
+    ),
+    // scss-docs-end utils-overflow
+    // scss-docs-start utils-display
+    "display": (
+      responsive: true,
+      print: true,
+      property: display,
+      class: d,
+      values: inline inline-block block grid table table-row table-cell flex inline-flex none
+    ),
+    // scss-docs-end utils-display
+    // scss-docs-start utils-shadow
+    "shadow": (
+      property: box-shadow,
+      class: shadow,
+      values: (
+        null: $box-shadow,
+        sm: $box-shadow-sm,
+        lg: $box-shadow-lg,
+        none: none,
+      )
+    ),
+    // scss-docs-end utils-shadow
+    // scss-docs-start utils-position
+    "position": (
+      property: position,
+      values: static relative absolute fixed sticky
+    ),
+    "top": (
+      property: top,
+      values: $position-values
+    ),
+    "bottom": (
+      property: bottom,
+      values: $position-values
+    ),
+    "start": (
+      property: left,
+      class: start,
+      values: $position-values
+    ),
+    "end": (
+      property: right,
+      class: end,
+      values: $position-values
+    ),
+    "translate-middle": (
+      property: transform,
+      class: translate-middle,
+      values: (
+        null: translate(-50%, -50%),
+        x: translateX(-50%),
+        y: translateY(-50%),
+      )
+    ),
+    // scss-docs-end utils-position
+    // scss-docs-start utils-borders
+    "border": (
+      property: border,
+      values: (
+        null: $border-width solid $border-color,
+        0: 0,
+      )
+    ),
+    "border-top": (
+      property: border-top,
+      values: (
+        null: $border-width solid $border-color,
+        0: 0,
+      )
+    ),
+    "border-end": (
+      property: border-right,
+      class: border-end,
+      values: (
+        null: $border-width solid $border-color,
+        0: 0,
+      )
+    ),
+    "border-bottom": (
+      property: border-bottom,
+      values: (
+        null: $border-width solid $border-color,
+        0: 0,
+      )
+    ),
+    "border-start": (
+      property: border-left,
+      class: border-start,
+      values: (
+        null: $border-width solid $border-color,
+        0: 0,
+      )
+    ),
+    "border-color": (
+      property: border-color,
+      class: border,
+      values: map-merge($theme-colors, ("white": $white))
+    ),
+    "border-width": (
+      property: border-width,
+      class: border,
+      values: $border-widths
+    ),
+    // scss-docs-end utils-borders
+    // Sizing utilities
+    // scss-docs-start utils-sizing
+    "width": (
+      property: width,
+      class: w,
+      values: (
+        25: 25%,
+        50: 50%,
+        75: 75%,
+        100: 100%,
+        auto: auto
+      )
+    ),
+    "max-width": (
+      property: max-width,
+      class: mw,
+      values: (100: 100%)
+    ),
+    "viewport-width": (
+      property: width,
+      class: vw,
+      values: (100: 100vw)
+    ),
+    "min-viewport-width": (
+      property: min-width,
+      class: min-vw,
+      values: (100: 100vw)
+    ),
+    "height": (
+      property: height,
+      class: h,
+      values: (
+        25: 25%,
+        50: 50%,
+        75: 75%,
+        100: 100%,
+        auto: auto
+      )
+    ),
+    "max-height": (
+      property: max-height,
+      class: mh,
+      values: (100: 100%)
+    ),
+    "viewport-height": (
+      property: height,
+      class: vh,
+      values: (100: 100vh)
+    ),
+    "min-viewport-height": (
+      property: min-height,
+      class: min-vh,
+      values: (100: 100vh)
+    ),
+    // scss-docs-end utils-sizing
+    // Flex utilities
+    // scss-docs-start utils-flex
+    "flex": (
+      responsive: true,
+      property: flex,
+      values: (fill: 1 1 auto)
+    ),
+    "flex-direction": (
+      responsive: true,
+      property: flex-direction,
+      class: flex,
+      values: row column row-reverse column-reverse
+    ),
+    "flex-grow": (
+      responsive: true,
+      property: flex-grow,
+      class: flex,
+      values: (
+        grow-0: 0,
+        grow-1: 1,
+      )
+    ),
+    "flex-shrink": (
+      responsive: true,
+      property: flex-shrink,
+      class: flex,
+      values: (
+        shrink-0: 0,
+        shrink-1: 1,
+      )
+    ),
+    "flex-wrap": (
+      responsive: true,
+      property: flex-wrap,
+      class: flex,
+      values: wrap nowrap wrap-reverse
+    ),
+    "gap": (
+      responsive: true,
+      property: gap,
+      class: gap,
+      values: $spacers
+    ),
+    "justify-content": (
+      responsive: true,
+      property: justify-content,
+      values: (
+        start: flex-start,
+        end: flex-end,
+        center: center,
+        between: space-between,
+        around: space-around,
+        evenly: space-evenly,
+      )
+    ),
+    "align-items": (
+      responsive: true,
+      property: align-items,
+      values: (
+        start: flex-start,
+        end: flex-end,
+        center: center,
+        baseline: baseline,
+        stretch: stretch,
+      )
+    ),
+    "align-content": (
+      responsive: true,
+      property: align-content,
+      values: (
+        start: flex-start,
+        end: flex-end,
+        center: center,
+        between: space-between,
+        around: space-around,
+        stretch: stretch,
+      )
+    ),
+    "align-self": (
+      responsive: true,
+      property: align-self,
+      values: (
+        auto: auto,
+        start: flex-start,
+        end: flex-end,
+        center: center,
+        baseline: baseline,
+        stretch: stretch,
+      )
+    ),
+    "order": (
+      responsive: true,
+      property: order,
+      values: (
+        first: -1,
+        0: 0,
+        1: 1,
+        2: 2,
+        3: 3,
+        4: 4,
+        5: 5,
+        last: 6,
+      ),
+    ),
+    // scss-docs-end utils-flex
+    // Margin utilities
+    // scss-docs-start utils-spacing
+    "margin": (
+      responsive: true,
+      property: margin,
+      class: m,
+      values: map-merge($spacers, (auto: auto))
+    ),
+    "margin-x": (
+      responsive: true,
+      property: margin-right margin-left,
+      class: mx,
+      values: map-merge($spacers, (auto: auto))
+    ),
+    "margin-y": (
+      responsive: true,
+      property: margin-top margin-bottom,
+      class: my,
+      values: map-merge($spacers, (auto: auto))
+    ),
+    "margin-top": (
+      responsive: true,
+      property: margin-top,
+      class: mt,
+      values: map-merge($spacers, (auto: auto))
+    ),
+    "margin-end": (
+      responsive: true,
+      property: margin-right,
+      class: me,
+      values: map-merge($spacers, (auto: auto))
+    ),
+    "margin-bottom": (
+      responsive: true,
+      property: margin-bottom,
+      class: mb,
+      values: map-merge($spacers, (auto: auto))
+    ),
+    "margin-start": (
+      responsive: true,
+      property: margin-left,
+      class: ms,
+      values: map-merge($spacers, (auto: auto))
+    ),
+    // Negative margin utilities
+    "negative-margin": (
+      responsive: true,
+      property: margin,
+      class: m,
+      values: $negative-spacers
+    ),
+    "negative-margin-x": (
+      responsive: true,
+      property: margin-right margin-left,
+      class: mx,
+      values: $negative-spacers
+    ),
+    "negative-margin-y": (
+      responsive: true,
+      property: margin-top margin-bottom,
+      class: my,
+      values: $negative-spacers
+    ),
+    "negative-margin-top": (
+      responsive: true,
+      property: margin-top,
+      class: mt,
+      values: $negative-spacers
+    ),
+    "negative-margin-end": (
+      responsive: true,
+      property: margin-right,
+      class: me,
+      values: $negative-spacers
+    ),
+    "negative-margin-bottom": (
+      responsive: true,
+      property: margin-bottom,
+      class: mb,
+      values: $negative-spacers
+    ),
+    "negative-margin-start": (
+      responsive: true,
+      property: margin-left,
+      class: ms,
+      values: $negative-spacers
+    ),
+    // Padding utilities
+    "padding": (
+      responsive: true,
+      property: padding,
+      class: p,
+      values: $spacers
+    ),
+    "padding-x": (
+      responsive: true,
+      property: padding-right padding-left,
+      class: px,
+      values: $spacers
+    ),
+    "padding-y": (
+      responsive: true,
+      property: padding-top padding-bottom,
+      class: py,
+      values: $spacers
+    ),
+    "padding-top": (
+      responsive: true,
+      property: padding-top,
+      class: pt,
+      values: $spacers
+    ),
+    "padding-end": (
+      responsive: true,
+      property: padding-right,
+      class: pe,
+      values: $spacers
+    ),
+    "padding-bottom": (
+      responsive: true,
+      property: padding-bottom,
+      class: pb,
+      values: $spacers
+    ),
+    "padding-start": (
+      responsive: true,
+      property: padding-left,
+      class: ps,
+      values: $spacers
+    ),
+    // scss-docs-end utils-spacing
+    // Text
+    // scss-docs-start utils-text
+    "font-family": (
+      property: font-family,
+      class: font,
+      values: (monospace: var(--#{$variable-prefix}font-monospace))
+    ),
+    "font-size": (
+      rfs: true,
+      property: font-size,
+      class: fs,
+      values: $font-sizes
+    ),
+    "font-style": (
+      property: font-style,
+      class: fst,
+      values: italic normal
+    ),
+    "font-weight": (
+      property: font-weight,
+      class: fw,
+      values: (
+        light: $font-weight-light,
+        lighter: $font-weight-lighter,
+        normal: $font-weight-normal,
+        bold: $font-weight-bold,
+        bolder: $font-weight-bolder
+      )
+    ),
+    "line-height": (
+      property: line-height,
+      class: lh,
+      values: (
+        1: 1,
+        sm: $line-height-sm,
+        base: $line-height-base,
+        lg: $line-height-lg,
+      )
+    ),
+    "text-align": (
+      responsive: true,
+      property: text-align,
+      class: text,
+      values: (
+        start: left,
+        end: right,
+        center: center,
+      )
+    ),
+    "text-decoration": (
+      property: text-decoration,
+      values: none underline line-through
+    ),
+    "text-transform": (
+      property: text-transform,
+      class: text,
+      values: lowercase uppercase capitalize
+    ),
+    "white-space": (
+      property: white-space,
+      class: text,
+      values: (
+        wrap: normal,
+        nowrap: nowrap,
+      )
+    ),
+    "word-wrap": (
+      property: word-wrap word-break,
+      class: text,
+      values: (break: break-word),
+      rtl: false
+    ),
+    // scss-docs-end utils-text
+    // scss-docs-start utils-color
+    "color": (
+      property: color,
+      class: text,
+      values: map-merge(
+        $theme-colors,
+        (
+          "white": $white,
+          "body": $body-color,
+          "muted": $text-muted,
+          "black-50": rgba($black, .5),
+          "white-50": rgba($white, .5),
+          "reset": inherit,
+        )
+      )
+    ),
+    // scss-docs-end utils-color
+    // scss-docs-start utils-bg-color
+    "background-color": (
+      property: background-color,
+      class: bg,
+      values: map-merge(
+        $theme-colors,
+        (
+          "body": $body-bg,
+          "white": $white,
+          "transparent": transparent
+        )
+      )
+    ),
+    // scss-docs-end utils-bg-color
+    "gradient": (
+      property: background-image,
+      class: bg,
+      values: (gradient: var(--#{$variable-prefix}gradient))
+    ),
+    // scss-docs-start utils-interaction
+    "user-select": (
+      property: user-select,
+      values: all auto none
+    ),
+    "pointer-events": (
+      property: pointer-events,
+      class: pe,
+      values: none auto,
+    ),
+    // scss-docs-end utils-interaction
+    // scss-docs-start utils-border-radius
+    "rounded": (
+      property: border-radius,
+      class: rounded,
+      values: (
+        null: $border-radius,
+        0: 0,
+        1: $border-radius-sm,
+        2: $border-radius,
+        3: $border-radius-lg,
+        circle: 50%,
+        pill: $border-radius-pill
+      )
+    ),
+    "rounded-top": (
+      property: border-top-left-radius border-top-right-radius,
+      class: rounded-top,
+      values: (null: $border-radius)
+    ),
+    "rounded-end": (
+      property: border-top-right-radius border-bottom-right-radius,
+      class: rounded-end,
+      values: (null: $border-radius)
+    ),
+    "rounded-bottom": (
+      property: border-bottom-right-radius border-bottom-left-radius,
+      class: rounded-bottom,
+      values: (null: $border-radius)
+    ),
+    "rounded-start": (
+      property: border-bottom-left-radius border-top-left-radius,
+      class: rounded-start,
+      values: (null: $border-radius)
+    ),
+    // scss-docs-end utils-border-radius
+    // scss-docs-start utils-visibility
+    "visibility": (
+      property: visibility,
+      class: null,
+      values: (
+        visible: visible,
+        invisible: hidden,
+      )
+    )
+    // scss-docs-end utils-visibility
+  ),
+  $utilities
+);
diff --git a/sass/vendor/bootstrap/scss/_variables.scss b/sass/vendor/bootstrap/scss/_variables.scss
index 36dc429..06dfa4a 100755..100644
--- a/sass/vendor/bootstrap/scss/_variables.scss
+++ b/sass/vendor/bootstrap/scss/_variables.scss
@@ -1,136 +1,244 @@
 // Variables
 //
-// Copy settings from this file into the provided `_custom.scss` to override
-// the Bootstrap defaults without modifying key, versioned files.
-
-
-// Table of Contents
-//
-// Colors
-// Options
-// Spacing
-// Body
-// Links
-// Grid breakpoints
-// Grid containers
-// Grid columns
-// Fonts
-// Components
-// Tables
-// Buttons
-// Forms
-// Dropdowns
-// Z-index master list
-// Navbar
-// Navs
-// Pagination
-// Jumbotron
-// Form states and alerts
-// Cards
-// Tooltips
-// Popovers
-// Badges
-// Modals
-// Alerts
-// Progress bars
-// List group
-// Image thumbnails
-// Figures
-// Breadcrumbs
-// Carousel
-// Close
-// Code
-
-@mixin _assert-ascending($map, $map-name) {
-  $prev-key: null;
-  $prev-num: null;
-  @each $key, $num in $map {
-    @if $prev-num == null {
-      // Do nothing
-    } @else if not comparable($prev-num, $num) {
-      @warn "Potentially invalid value for #{$map-name}: This map must be in ascending order, but key '#{$key}' has value #{$num} whose unit makes it incomparable to #{$prev-num}, the value of the previous key '#{$prev-key}' !";
-    } @else if $prev-num >= $num {
-      @warn "Invalid value for #{$map-name}: This map must be in ascending order, but key '#{$key}' has value #{$num} which isn't greater than #{$prev-num}, the value of the previous key '#{$prev-key}' !";
-    }
-    $prev-key: $key;
-    $prev-num: $num;
-  }
-}
-
-// Replace `$search` with `$replace` in `$string`
-// @author Hugo Giraudel
-// @param {String} $string - Initial string
-// @param {String} $search - Substring to replace
-// @param {String} $replace ('') - New value
-// @return {String} - Updated string
-@function str-replace($string, $search, $replace: "") {
-  $index: str-index($string, $search);
-
-  @if $index {
-    @return str-slice($string, 1, $index - 1) + $replace + str-replace(str-slice($string, $index + str-length($search)), $search, $replace);
-  }
-
-  @return $string;
-}
-
-@mixin _assert-starts-at-zero($map) {
-  $values: map-values($map);
-  $first-value: nth($values, 1);
-  @if $first-value != 0 {
-    @warn "First breakpoint in `$grid-breakpoints` must start at 0, but starts at #{$first-value}.";
-  }
-}
-
-
-// General variable structure
-//
-// Variable format should follow the `$component-modifier-state-property` order.
-
-
-// Colors
-//
-// Grayscale and brand colors for use across Bootstrap.
-
-// Start with assigning color names to specific hex values.
-$white:  #fff !default;
-$black:  #000 !default;
-$red:    #d9534f !default;
-$orange: #f0ad4e !default;
-$yellow: #ffd500 !default;
-$green:  #5cb85c !default;
-$blue:   #0275d8 !default;
-$teal:   #5bc0de !default;
-$pink:   #ff5b77 !default;
-$purple: #613d7c !default;
-
-// Create grayscale
-$gray-dark:                 #292b2c !default;
-$gray:                      #464a4c !default;
-$gray-light:                #636c72 !default;
-$gray-lighter:              #eceeef !default;
-$gray-lightest:             #f7f7f9 !default;
-
-// Reassign color vars to semantic color scheme
-$brand-primary:             $blue !default;
-$brand-success:             $green !default;
-$brand-info:                $teal !default;
-$brand-warning:             $orange !default;
-$brand-danger:              $red !default;
-$brand-inverse:             $gray-dark !default;
-
+// Variables should follow the `$component-state-property-size` formula for
+// consistent naming. Ex: $nav-link-disabled-color and $modal-content-box-shadow-xs.
+
+// Color system
+
+// scss-docs-start gray-color-variables
+$white:    #fff !default;
+$gray-100: #f8f9fa !default;
+$gray-200: #e9ecef !default;
+$gray-300: #dee2e6 !default;
+$gray-400: #ced4da !default;
+$gray-500: #adb5bd !default;
+$gray-600: #6c757d !default;
+$gray-700: #495057 !default;
+$gray-800: #343a40 !default;
+$gray-900: #212529 !default;
+$black:    #000 !default;
+// scss-docs-end gray-color-variables
+
+// fusv-disable
+// scss-docs-start gray-colors-map
+$grays: (
+  "100": $gray-100,
+  "200": $gray-200,
+  "300": $gray-300,
+  "400": $gray-400,
+  "500": $gray-500,
+  "600": $gray-600,
+  "700": $gray-700,
+  "800": $gray-800,
+  "900": $gray-900
+) !default;
+// scss-docs-end gray-colors-map
+// fusv-enable
+
+// scss-docs-start color-variables
+$blue:    #0d6efd !default;
+$indigo:  #6610f2 !default;
+$purple:  #6f42c1 !default;
+$pink:    #d63384 !default;
+$red:     #dc3545 !default;
+$orange:  #fd7e14 !default;
+$yellow:  #ffc107 !default;
+$green:   #198754 !default;
+$teal:    #20c997 !default;
+$cyan:    #0dcaf0 !default;
+// scss-docs-end color-variables
+
+// scss-docs-start colors-map
+$colors: (
+  "blue":       $blue,
+  "indigo":     $indigo,
+  "purple":     $purple,
+  "pink":       $pink,
+  "red":        $red,
+  "orange":     $orange,
+  "yellow":     $yellow,
+  "green":      $green,
+  "teal":       $teal,
+  "cyan":       $cyan,
+  "white":      $white,
+  "gray":       $gray-600,
+  "gray-dark":  $gray-800
+) !default;
+// scss-docs-end colors-map
+
+// scss-docs-start theme-color-variables
+$primary:       $blue !default;
+$secondary:     $gray-600 !default;
+$success:       $green !default;
+$info:          $cyan !default;
+$warning:       $yellow !default;
+$danger:        $red !default;
+$light:         $gray-100 !default;
+$dark:          $gray-900 !default;
+// scss-docs-end theme-color-variables
+
+// scss-docs-start theme-colors-map
+$theme-colors: (
+  "primary":    $primary,
+  "secondary":  $secondary,
+  "success":    $success,
+  "info":       $info,
+  "warning":    $warning,
+  "danger":     $danger,
+  "light":      $light,
+  "dark":       $dark
+) !default;
+// scss-docs-end theme-colors-map
+
+// The contrast ratio to reach against white, to determine if color changes from "light" to "dark". Acceptable values for WCAG 2.0 are 3, 4.5 and 7.
+// See https://www.w3.org/TR/WCAG20/#visual-audio-contrast-contrast
+$min-contrast-ratio:   4.5 !default;
+
+// Customize the light and dark text colors for use in our color contrast function.
+$color-contrast-dark:      $black !default;
+$color-contrast-light:     $white !default;
+
+// fusv-disable
+$blue-100: tint-color($blue, 80%) !default;
+$blue-200: tint-color($blue, 60%) !default;
+$blue-300: tint-color($blue, 40%) !default;
+$blue-400: tint-color($blue, 20%) !default;
+$blue-500: $blue !default;
+$blue-600: shade-color($blue, 20%) !default;
+$blue-700: shade-color($blue, 40%) !default;
+$blue-800: shade-color($blue, 60%) !default;
+$blue-900: shade-color($blue, 80%) !default;
+
+$indigo-100: tint-color($indigo, 80%) !default;
+$indigo-200: tint-color($indigo, 60%) !default;
+$indigo-300: tint-color($indigo, 40%) !default;
+$indigo-400: tint-color($indigo, 20%) !default;
+$indigo-500: $indigo !default;
+$indigo-600: shade-color($indigo, 20%) !default;
+$indigo-700: shade-color($indigo, 40%) !default;
+$indigo-800: shade-color($indigo, 60%) !default;
+$indigo-900: shade-color($indigo, 80%) !default;
+
+$purple-100: tint-color($purple, 80%) !default;
+$purple-200: tint-color($purple, 60%) !default;
+$purple-300: tint-color($purple, 40%) !default;
+$purple-400: tint-color($purple, 20%) !default;
+$purple-500: $purple !default;
+$purple-600: shade-color($purple, 20%) !default;
+$purple-700: shade-color($purple, 40%) !default;
+$purple-800: shade-color($purple, 60%) !default;
+$purple-900: shade-color($purple, 80%) !default;
+
+$pink-100: tint-color($pink, 80%) !default;
+$pink-200: tint-color($pink, 60%) !default;
+$pink-300: tint-color($pink, 40%) !default;
+$pink-400: tint-color($pink, 20%) !default;
+$pink-500: $pink !default;
+$pink-600: shade-color($pink, 20%) !default;
+$pink-700: shade-color($pink, 40%) !default;
+$pink-800: shade-color($pink, 60%) !default;
+$pink-900: shade-color($pink, 80%) !default;
+
+$red-100: tint-color($red, 80%) !default;
+$red-200: tint-color($red, 60%) !default;
+$red-300: tint-color($red, 40%) !default;
+$red-400: tint-color($red, 20%) !default;
+$red-500: $red !default;
+$red-600: shade-color($red, 20%) !default;
+$red-700: shade-color($red, 40%) !default;
+$red-800: shade-color($red, 60%) !default;
+$red-900: shade-color($red, 80%) !default;
+
+$orange-100: tint-color($orange, 80%) !default;
+$orange-200: tint-color($orange, 60%) !default;
+$orange-300: tint-color($orange, 40%) !default;
+$orange-400: tint-color($orange, 20%) !default;
+$orange-500: $orange !default;
+$orange-600: shade-color($orange, 20%) !default;
+$orange-700: shade-color($orange, 40%) !default;
+$orange-800: shade-color($orange, 60%) !default;
+$orange-900: shade-color($orange, 80%) !default;
+
+$yellow-100: tint-color($yellow, 80%) !default;
+$yellow-200: tint-color($yellow, 60%) !default;
+$yellow-300: tint-color($yellow, 40%) !default;
+$yellow-400: tint-color($yellow, 20%) !default;
+$yellow-500: $yellow !default;
+$yellow-600: shade-color($yellow, 20%) !default;
+$yellow-700: shade-color($yellow, 40%) !default;
+$yellow-800: shade-color($yellow, 60%) !default;
+$yellow-900: shade-color($yellow, 80%) !default;
+
+$green-100: tint-color($green, 80%) !default;
+$green-200: tint-color($green, 60%) !default;
+$green-300: tint-color($green, 40%) !default;
+$green-400: tint-color($green, 20%) !default;
+$green-500: $green !default;
+$green-600: shade-color($green, 20%) !default;
+$green-700: shade-color($green, 40%) !default;
+$green-800: shade-color($green, 60%) !default;
+$green-900: shade-color($green, 80%) !default;
+
+$teal-100: tint-color($teal, 80%) !default;
+$teal-200: tint-color($teal, 60%) !default;
+$teal-300: tint-color($teal, 40%) !default;
+$teal-400: tint-color($teal, 20%) !default;
+$teal-500: $teal !default;
+$teal-600: shade-color($teal, 20%) !default;
+$teal-700: shade-color($teal, 40%) !default;
+$teal-800: shade-color($teal, 60%) !default;
+$teal-900: shade-color($teal, 80%) !default;
+
+$cyan-100: tint-color($cyan, 80%) !default;
+$cyan-200: tint-color($cyan, 60%) !default;
+$cyan-300: tint-color($cyan, 40%) !default;
+$cyan-400: tint-color($cyan, 20%) !default;
+$cyan-500: $cyan !default;
+$cyan-600: shade-color($cyan, 20%) !default;
+$cyan-700: shade-color($cyan, 40%) !default;
+$cyan-800: shade-color($cyan, 60%) !default;
+$cyan-900: shade-color($cyan, 80%) !default;
+// fusv-enable
+
+// Characters which are escaped by the escape-svg function
+$escaped-characters: (
+  ("<", "%3c"),
+  (">", "%3e"),
+  ("#", "%23"),
+  ("(", "%28"),
+  (")", "%29"),
+) !default;
 
 // Options
 //
 // Quickly modify global styling by enabling or disabling optional features.
 
-$enable-rounded:            true !default;
-$enable-shadows:            false !default;
-$enable-gradients:          false !default;
-$enable-transitions:        true !default;
-$enable-hover-media-query:  false !default;
-$enable-grid-classes:       true !default;
-$enable-print-styles:       true !default;
-
+$enable-caret:                true !default;
+$enable-rounded:              true !default;
+$enable-shadows:              false !default;
+$enable-gradients:            false !default;
+$enable-transitions:          true !default;
+$enable-reduced-motion:       true !default;
+$enable-smooth-scroll:        true !default;
+$enable-grid-classes:         true !default;
+$enable-button-pointers:      true !default;
+$enable-rfs:                  true !default;
+$enable-validation-icons:     true !default;
+$enable-negative-margins:     false !default;
+$enable-deprecation-messages: true !default;
+$enable-important-utilities:  true !default;
+
+// Prefix for :root CSS variables
+
+$variable-prefix:             bs- !default;
+
+// Gradient
+//
+// The gradient which is added to components if `$enable-gradients` is `true`
+// This gradient is also added to elements with `.bg-gradient`
+// scss-docs-start variable-gradient
+$gradient: linear-gradient(180deg, rgba($white, .15), rgba($white, 0)) !default;
+// scss-docs-end variable-gradient
 
 // Spacing
 //
@@ -138,63 +246,59 @@ $enable-print-styles:       true !default;
 // variables. Mostly focused on spacing.
 // You can add more entries to the $spacers map, should you need more variation.
 
-$spacer:   1rem !default;
-$spacer-x: $spacer !default;
-$spacer-y: $spacer !default;
+// scss-docs-start spacer-variables-maps
+$spacer: 1rem !default;
 $spacers: (
-  0: (
-    x: 0,
-    y: 0
-  ),
-  1: (
-    x: ($spacer-x * .25),
-    y: ($spacer-y * .25)
-  ),
-  2: (
-    x: ($spacer-x * .5),
-    y: ($spacer-y * .5)
-  ),
-  3: (
-    x: $spacer-x,
-    y: $spacer-y
-  ),
-  4: (
-    x: ($spacer-x * 1.5),
-    y: ($spacer-y * 1.5)
-  ),
-  5: (
-    x: ($spacer-x * 3),
-    y: ($spacer-y * 3)
-  )
+  0: 0,
+  1: $spacer * .25,
+  2: $spacer * .5,
+  3: $spacer,
+  4: $spacer * 1.5,
+  5: $spacer * 3,
 ) !default;
-$border-width: 1px !default;
 
-// This variable affects the `.h-*` and `.w-*` classes.
-$sizes: (
-  25: 25%,
+$negative-spacers: if($enable-negative-margins, negativify-map($spacers), null) !default;
+// scss-docs-end spacer-variables-maps
+
+// Position
+//
+// Define the edge positioning anchors of the position utilities.
+
+// scss-docs-start position-map
+$position-values: (
+  0: 0,
   50: 50%,
-  75: 75%,
   100: 100%
 ) !default;
+// scss-docs-end position-map
 
 // Body
 //
 // Settings for the `<body>` element.
 
-$body-bg:       $white !default;
-$body-color:    $gray-dark !default;
-$inverse-bg:    $gray-dark !default;
-$inverse-color: $gray-lighter !default;
+$body-bg:                   $white !default;
+$body-color:                $gray-900 !default;
+$body-text-align:           null !default;
 
 
 // Links
 //
 // Style anchor elements.
 
-$link-color:            $brand-primary !default;
-$link-decoration:       none !default;
-$link-hover-color:      darken($link-color, 15%) !default;
-$link-hover-decoration: underline !default;
+$link-color:                              $primary !default;
+$link-decoration:                         underline !default;
+$link-shade-percentage:                   20% !default;
+$link-hover-color:                        shift-color($link-color, $link-shade-percentage) !default;
+$link-hover-decoration:                   null !default;
+
+$stretched-link-pseudo-element:           after !default;
+$stretched-link-z-index:                  1 !default;
+
+// Paragraphs
+//
+// Style p element.
+
+$paragraph-margin-bottom:   1rem !default;
 
 
 // Grid breakpoints
@@ -202,27 +306,35 @@ $link-hover-decoration: underline !default;
 // Define the minimum dimensions at which your layout will change,
 // adapting to different screen sizes, for use in media queries.
 
+// scss-docs-start grid-breakpoints
 $grid-breakpoints: (
   xs: 0,
   sm: 576px,
   md: 768px,
   lg: 992px,
-  xl: 1200px
+  xl: 1200px,
+  xxl: 1400px
 ) !default;
+// scss-docs-end grid-breakpoints
+
 @include _assert-ascending($grid-breakpoints, "$grid-breakpoints");
-@include _assert-starts-at-zero($grid-breakpoints);
+@include _assert-starts-at-zero($grid-breakpoints, "$grid-breakpoints");
 
 
 // Grid containers
 //
 // Define the maximum width of `.container` for different screen sizes.
 
+// scss-docs-start container-max-widths
 $container-max-widths: (
   sm: 540px,
   md: 720px,
   lg: 960px,
-  xl: 1140px
+  xl: 1140px,
+  xxl: 1320px
 ) !default;
+// scss-docs-end container-max-widths
+
 @include _assert-ascending($container-max-widths, "$container-max-widths");
 
 
@@ -230,732 +342,1127 @@ $container-max-widths: (
 //
 // Set the number of columns and specify the width of the gutters.
 
-$grid-columns:               12 !default;
-$grid-gutter-width-base:     30px !default;
-$grid-gutter-widths: (
-  xs: $grid-gutter-width-base,
-  sm: $grid-gutter-width-base,
-  md: $grid-gutter-width-base,
-  lg: $grid-gutter-width-base,
-  xl: $grid-gutter-width-base
-) !default;
-
-// Fonts
-//
-// Font, line-height, and color for body text, headings, and more.
-
-$font-family-sans-serif: -apple-system, system-ui, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif !default;
-$font-family-serif:      Georgia, "Times New Roman", Times, serif !default;
-$font-family-monospace:  Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace !default;
-$font-family-base:       $font-family-sans-serif !default;
-
-$font-size-base: 1rem !default; // Assumes the browser default, typically `16px`
-$font-size-lg:   1.25rem !default;
-$font-size-sm:   .875rem !default;
-$font-size-xs:   .75rem !default;
-
-$font-weight-normal: normal !default;
-$font-weight-bold: bold !default;
-
-$font-weight-base: $font-weight-normal !default;
-$line-height-base: 1.5 !default;
-
-$font-size-h1: 2.5rem !default;
-$font-size-h2: 2rem !default;
-$font-size-h3: 1.75rem !default;
-$font-size-h4: 1.5rem !default;
-$font-size-h5: 1.25rem !default;
-$font-size-h6: 1rem !default;
-
-$headings-margin-bottom: ($spacer / 2) !default;
-$headings-font-family:   inherit !default;
-$headings-font-weight:   500 !default;
-$headings-line-height:   1.1 !default;
-$headings-color:         inherit !default;
-
-$display1-size: 6rem !default;
-$display2-size: 5.5rem !default;
-$display3-size: 4.5rem !default;
-$display4-size: 3.5rem !default;
-
-$display1-weight:     300 !default;
-$display2-weight:     300 !default;
-$display3-weight:     300 !default;
-$display4-weight:     300 !default;
-$display-line-height: $headings-line-height !default;
-
-$lead-font-size:   1.25rem !default;
-$lead-font-weight: 300 !default;
-
-$small-font-size: 80% !default;
+$grid-columns:                12 !default;
+$grid-gutter-width:           1.5rem !default;
+$grid-row-columns:            6 !default;
 
-$text-muted: $gray-light !default;
+$gutters: $spacers !default;
 
-$abbr-border-color: $gray-light !default;
+// Container padding
 
-$blockquote-small-color:  $gray-light !default;
-$blockquote-font-size:    ($font-size-base * 1.25) !default;
-$blockquote-border-color: $gray-lighter !default;
-$blockquote-border-width: .25rem !default;
+$container-padding-x: $grid-gutter-width * .5 !default;
 
-$hr-border-color: rgba($black,.1) !default;
-$hr-border-width: $border-width !default;
 
-$mark-padding: .2em !default;
+// Components
+//
+// Define common padding and border radius sizes and more.
 
-$dt-font-weight: $font-weight-bold !default;
+// scss-docs-start border-variables
+$border-width:                1px !default;
+$border-widths: (
+  1: 1px,
+  2: 2px,
+  3: 3px,
+  4: 4px,
+  5: 5px
+) !default;
 
-$kbd-box-shadow:         inset 0 -.1rem 0 rgba($black,.25) !default;
-$nested-kbd-font-weight: $font-weight-bold !default;
+$border-color:                $gray-300 !default;
+// scss-docs-end border-variables
+
+// scss-docs-start border-radius-variables
+$border-radius:               .25rem !default;
+$border-radius-sm:            .2rem !default;
+$border-radius-lg:            .3rem !default;
+$border-radius-pill:          50rem !default;
+// scss-docs-end border-radius-variables
+
+// scss-docs-start box-shadow-variables
+$box-shadow:                  0 .5rem 1rem rgba($black, .15) !default;
+$box-shadow-sm:               0 .125rem .25rem rgba($black, .075) !default;
+$box-shadow-lg:               0 1rem 3rem rgba($black, .175) !default;
+$box-shadow-inset:            inset 0 1px 2px rgba($black, .075) !default;
+// scss-docs-end box-shadow-variables
+
+$component-active-color:      $white !default;
+$component-active-bg:         $primary !default;
+
+// scss-docs-start caret-variables
+$caret-width:                 .3em !default;
+$caret-vertical-align:        $caret-width * .85 !default;
+$caret-spacing:               $caret-width * .85 !default;
+// scss-docs-end caret-variables
+
+$transition-base:             all .2s ease-in-out !default;
+$transition-fade:             opacity .15s linear !default;
+// scss-docs-start collapse-transition
+$transition-collapse:         height .35s ease !default;
+// scss-docs-end collapse-transition
+
+// stylelint-disable function-disallowed-list
+// scss-docs-start aspect-ratios
+$aspect-ratios: (
+  "1x1": 100%,
+  "4x3": calc(3 / 4 * 100%),
+  "16x9": calc(9 / 16 * 100%),
+  "21x9": calc(9 / 21 * 100%)
+) !default;
+// scss-docs-end aspect-ratios
+// stylelint-enable function-disallowed-list
 
-$list-inline-padding: 5px !default;
+// Typography
+//
+// Font, line-height, and color for body text, headings, and more.
 
+// scss-docs-start font-variables
+// stylelint-disable value-keyword-case
+$font-family-sans-serif:      system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", "Liberation Sans", sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji" !default;
+$font-family-monospace:       SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace !default;
+// stylelint-enable value-keyword-case
+$font-family-base:            var(--#{$variable-prefix}font-sans-serif) !default;
+$font-family-code:            var(--#{$variable-prefix}font-monospace) !default;
+
+// $font-size-root affects the value of `rem`, which is used for as well font sizes, paddings, and margins
+// $font-size-base affects the font size of the body text
+$font-size-root:              null !default;
+$font-size-base:              1rem !default; // Assumes the browser default, typically `16px`
+$font-size-sm:                $font-size-base * .875 !default;
+$font-size-lg:                $font-size-base * 1.25 !default;
+
+$font-weight-lighter:         lighter !default;
+$font-weight-light:           300 !default;
+$font-weight-normal:          400 !default;
+$font-weight-bold:            700 !default;
+$font-weight-bolder:          bolder !default;
+
+$font-weight-base:            $font-weight-normal !default;
+
+$line-height-base:            1.5 !default;
+$line-height-sm:              1.25 !default;
+$line-height-lg:              2 !default;
+
+$h1-font-size:                $font-size-base * 2.5 !default;
+$h2-font-size:                $font-size-base * 2 !default;
+$h3-font-size:                $font-size-base * 1.75 !default;
+$h4-font-size:                $font-size-base * 1.5 !default;
+$h5-font-size:                $font-size-base * 1.25 !default;
+$h6-font-size:                $font-size-base !default;
+// scss-docs-end font-variables
+
+// scss-docs-start font-sizes
+$font-sizes: (
+  1: $h1-font-size,
+  2: $h2-font-size,
+  3: $h3-font-size,
+  4: $h4-font-size,
+  5: $h5-font-size,
+  6: $h6-font-size
+) !default;
+// scss-docs-end font-sizes
+
+// scss-docs-start headings-variables
+$headings-margin-bottom:      $spacer * .5 !default;
+$headings-font-family:        null !default;
+$headings-font-style:         null !default;
+$headings-font-weight:        500 !default;
+$headings-line-height:        1.2 !default;
+$headings-color:              null !default;
+// scss-docs-end headings-variables
+
+// scss-docs-start display-headings
+$display-font-sizes: (
+  1: 5rem,
+  2: 4.5rem,
+  3: 4rem,
+  4: 3.5rem,
+  5: 3rem,
+  6: 2.5rem
+) !default;
 
-// Components
-//
-// Define common padding and border radius sizes and more.
+$display-font-weight: 300 !default;
+$display-line-height: $headings-line-height !default;
+// scss-docs-end display-headings
 
-$line-height-lg:         (4 / 3) !default;
-$line-height-sm:         1.5 !default;
+// scss-docs-start type-variables
+$lead-font-size:              $font-size-base * 1.25 !default;
+$lead-font-weight:            300 !default;
 
-$border-radius:          .25rem !default;
-$border-radius-lg:       .3rem !default;
-$border-radius-sm:       .2rem !default;
+$small-font-size:             .875em !default;
 
-$component-active-color: $white !default;
-$component-active-bg:    $brand-primary !default;
+$sub-sup-font-size:           .75em !default;
 
-$caret-width:            .3em !default;
+$text-muted:                  $gray-600 !default;
 
-$transition-base:        all .2s ease-in-out !default;
-$transition-fade:        opacity .15s linear !default;
-$transition-collapse:    height .35s ease !default;
+$initialism-font-size:        $small-font-size !default;
 
+$blockquote-margin-y:         $spacer !default;
+$blockquote-font-size:        $font-size-base * 1.25 !default;
+$blockquote-footer-color:     $gray-600 !default;
+$blockquote-footer-font-size: $small-font-size !default;
 
-// Tables
-//
-// Customizes the `.table` component with basic values, each used across all table variations.
+$hr-margin-y:                 $spacer !default;
+$hr-color:                    inherit !default;
+$hr-height:                   $border-width !default;
+$hr-opacity:                  .25 !default;
 
-$table-cell-padding:            .75rem !default;
-$table-sm-cell-padding:         .3rem !default;
+$legend-margin-bottom:        .5rem !default;
+$legend-font-size:            1.5rem !default;
+$legend-font-weight:          null !default;
 
-$table-bg:                      transparent !default;
+$mark-padding:                .2em !default;
 
-$table-inverse-bg:              $gray-dark !default;
-$table-inverse-color:           $body-bg !default;
+$dt-font-weight:              $font-weight-bold !default;
 
-$table-bg-accent:               rgba($black,.05) !default;
-$table-bg-hover:                rgba($black,.075) !default;
-$table-bg-active:               $table-bg-hover !default;
+$nested-kbd-font-weight:      $font-weight-bold !default;
 
-$table-head-bg:                 $gray-lighter !default;
-$table-head-color:              $gray !default;
+$list-inline-padding:         .5rem !default;
 
-$table-border-width:            $border-width !default;
-$table-border-color:            $gray-lighter !default;
+$mark-bg:                     #fcf8e3 !default;
+// scss-docs-end type-variables
 
 
-// Buttons
+// Tables
 //
-// For each of Bootstrap's buttons, define text, background and border color.
+// Customizes the `.table` component with basic values, each used across all table variations.
 
-$btn-padding-x:                  1rem !default;
-$btn-padding-y:                  .5rem !default;
-$btn-line-height:                1.25 !default;
-$btn-font-weight:                $font-weight-normal !default;
-$btn-box-shadow:                 inset 0 1px 0 rgba($white,.15), 0 1px 1px rgba($black,.075) !default;
-$btn-focus-box-shadow:           0 0 0 2px rgba($brand-primary, .25) !default;
-$btn-active-box-shadow:          inset 0 3px 5px rgba($black,.125) !default;
+// scss-docs-start table-variables
+$table-cell-padding-y:        .5rem !default;
+$table-cell-padding-x:        .5rem !default;
+$table-cell-padding-y-sm:     .25rem !default;
+$table-cell-padding-x-sm:     .25rem !default;
 
-$btn-primary-color:              $white !default;
-$btn-primary-bg:                 $brand-primary !default;
-$btn-primary-border:             $btn-primary-bg !default;
+$table-cell-vertical-align:   top !default;
 
-$btn-secondary-color:            $gray-dark !default;
-$btn-secondary-bg:               $white !default;
-$btn-secondary-border:           #ccc !default;
+$table-color:                 $body-color !default;
+$table-bg:                    transparent !default;
+$table-accent-bg:             transparent !default;
 
-$btn-info-color:                 $white !default;
-$btn-info-bg:                    $brand-info !default;
-$btn-info-border:                $btn-info-bg !default;
+$table-th-font-weight:        null !default;
 
-$btn-success-color:              $white !default;
-$btn-success-bg:                 $brand-success !default;
-$btn-success-border:             $btn-success-bg !default;
+$table-striped-color:         $table-color !default;
+$table-striped-bg-factor:     .05 !default;
+$table-striped-bg:            rgba($black, $table-striped-bg-factor) !default;
 
-$btn-warning-color:              $white !default;
-$btn-warning-bg:                 $brand-warning !default;
-$btn-warning-border:             $btn-warning-bg !default;
+$table-active-color:          $table-color !default;
+$table-active-bg-factor:      .1 !default;
+$table-active-bg:             rgba($black, $table-active-bg-factor) !default;
 
-$btn-danger-color:               $white !default;
-$btn-danger-bg:                  $brand-danger !default;
-$btn-danger-border:              $btn-danger-bg !default;
+$table-hover-color:           $table-color !default;
+$table-hover-bg-factor:       .075 !default;
+$table-hover-bg:              rgba($black, $table-hover-bg-factor) !default;
 
-$btn-link-disabled-color:        $gray-light !default;
+$table-border-factor:         .1 !default;
+$table-border-width:          $border-width !default;
+$table-border-color:          $border-color !default;
 
-$btn-padding-x-sm:               .5rem !default;
-$btn-padding-y-sm:               .25rem !default;
+$table-striped-order:         odd !default;
 
-$btn-padding-x-lg:               1.5rem !default;
-$btn-padding-y-lg:               .75rem !default;
+$table-group-separator-color: currentColor !default;
 
-$btn-block-spacing-y:            .5rem !default;
-$btn-toolbar-margin:             .5rem !default;
+$table-caption-color:         $text-muted !default;
 
-// Allows for customizing button radius independently from global border radius
-$btn-border-radius:              $border-radius !default;
-$btn-border-radius-lg:           $border-radius-lg !default;
-$btn-border-radius-sm:           $border-radius-sm !default;
+$table-bg-scale:              -80% !default;
+// scss-docs-end table-variables
 
-$btn-transition:                 all .2s ease-in-out !default;
+// scss-docs-start table-loop
+$table-variants: (
+  "primary":    shift-color($primary, $table-bg-scale),
+  "secondary":  shift-color($secondary, $table-bg-scale),
+  "success":    shift-color($success, $table-bg-scale),
+  "info":       shift-color($info, $table-bg-scale),
+  "warning":    shift-color($warning, $table-bg-scale),
+  "danger":     shift-color($danger, $table-bg-scale),
+  "light":      $light,
+  "dark":       $dark,
+) !default;
+// scss-docs-end table-loop
 
 
-// Forms
+// Buttons + Forms
+//
+// Shared variables that are reassigned to `$input-` and `$btn-` specific variables.
 
-$input-padding-x:                .75rem !default;
-$input-padding-y:                .5rem !default;
-$input-line-height:              1.25 !default;
+// scss-docs-start input-btn-variables
+$input-btn-padding-y:         .375rem !default;
+$input-btn-padding-x:         .75rem !default;
+$input-btn-font-family:       null !default;
+$input-btn-font-size:         $font-size-base !default;
+$input-btn-line-height:       $line-height-base !default;
 
-$input-bg:                       $white !default;
-$input-bg-disabled:              $gray-lighter !default;
+$input-btn-focus-width:         .25rem !default;
+$input-btn-focus-color-opacity: .25 !default;
+$input-btn-focus-color:         rgba($component-active-bg, $input-btn-focus-color-opacity) !default;
+$input-btn-focus-blur:          0 !default;
+$input-btn-focus-box-shadow:    0 0 $input-btn-focus-blur $input-btn-focus-width $input-btn-focus-color !default;
 
-$input-color:                    $gray !default;
-$input-border-color:             rgba($black,.15) !default;
-$input-btn-border-width:         $border-width !default; // For form controls and buttons
-$input-box-shadow:               inset 0 1px 1px rgba($black,.075) !default;
+$input-btn-padding-y-sm:      .25rem !default;
+$input-btn-padding-x-sm:      .5rem !default;
+$input-btn-font-size-sm:      $font-size-sm !default;
 
-$input-border-radius:            $border-radius !default;
-$input-border-radius-lg:         $border-radius-lg !default;
-$input-border-radius-sm:         $border-radius-sm !default;
+$input-btn-padding-y-lg:      .5rem !default;
+$input-btn-padding-x-lg:      1rem !default;
+$input-btn-font-size-lg:      $font-size-lg !default;
 
-$input-bg-focus:                 $input-bg !default;
-$input-border-focus:             lighten($brand-primary, 25%) !default;
-$input-box-shadow-focus:         $input-box-shadow, rgba($input-border-focus, .6) !default;
-$input-color-focus:              $input-color !default;
+$input-btn-border-width:      $border-width !default;
+// scss-docs-end input-btn-variables
 
-$input-color-placeholder:        $gray-light !default;
-
-$input-padding-x-sm:             .5rem !default;
-$input-padding-y-sm:             .25rem !default;
-
-$input-padding-x-lg:             1.5rem !default;
-$input-padding-y-lg:             .75rem !default;
-
-$input-height:                   (($font-size-base * $input-line-height) + ($input-padding-y * 2)) !default;
-$input-height-lg:                (($font-size-lg * $line-height-lg) + ($input-padding-y-lg * 2)) !default;
-$input-height-sm:                (($font-size-sm * $line-height-sm) + ($input-padding-y-sm * 2)) !default;
-
-$input-transition:               border-color ease-in-out .15s, box-shadow ease-in-out .15s !default;
-
-$form-text-margin-top:     .25rem !default;
-$form-feedback-margin-top: $form-text-margin-top !default;
-
-$form-check-margin-bottom:  .5rem !default;
-$form-check-input-gutter:   1.25rem !default;
-$form-check-input-margin-y: .25rem !default;
-$form-check-input-margin-x: .25rem !default;
-
-$form-check-inline-margin-x: .75rem !default;
-
-$form-group-margin-bottom:       $spacer-y !default;
-
-$input-group-addon-bg:           $gray-lighter !default;
-$input-group-addon-border-color: $input-border-color !default;
-
-$cursor-disabled:                not-allowed !default;
-
-$custom-control-gutter:   1.5rem !default;
-$custom-control-spacer-x: 1rem !default;
-$custom-control-spacer-y: .25rem !default;
-
-$custom-control-indicator-size:       1rem !default;
-$custom-control-indicator-margin-y:   (($line-height-base * 1rem) - $custom-control-indicator-size) / -2 !default;
-$custom-control-indicator-bg:         #ddd !default;
-$custom-control-indicator-bg-size:    50% 50% !default;
-$custom-control-indicator-box-shadow: inset 0 .25rem .25rem rgba($black,.1) !default;
-
-$custom-control-disabled-cursor:             $cursor-disabled !default;
-$custom-control-disabled-indicator-bg:       $gray-lighter !default;
-$custom-control-disabled-description-color:  $gray-light !default;
-
-$custom-control-checked-indicator-color:      $white !default;
-$custom-control-checked-indicator-bg:         $brand-primary !default;
-$custom-control-checked-indicator-box-shadow: none !default;
-
-$custom-control-focus-indicator-box-shadow: 0 0 0 1px $body-bg, 0 0 0 3px $brand-primary !default;
-
-$custom-control-active-indicator-color:      $white !default;
-$custom-control-active-indicator-bg:         lighten($brand-primary, 35%) !default;
-$custom-control-active-indicator-box-shadow: none !default;
-
-$custom-checkbox-radius: $border-radius !default;
-$custom-checkbox-checked-icon: str-replace(url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 8 8'%3E%3Cpath fill='#{$custom-control-checked-indicator-color}' d='M6.564.75l-3.59 3.612-1.538-1.55L0 4.26 2.974 7.25 8 2.193z'/%3E%3C/svg%3E"), "#", "%23") !default;
-
-$custom-checkbox-indeterminate-bg: $brand-primary !default;
-$custom-checkbox-indeterminate-indicator-color: $custom-control-checked-indicator-color !default;
-$custom-checkbox-indeterminate-icon: str-replace(url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 4 4'%3E%3Cpath stroke='#{$custom-checkbox-indeterminate-indicator-color}' d='M0 2h4'/%3E%3C/svg%3E"), "#", "%23") !default;
-$custom-checkbox-indeterminate-box-shadow: none !default;
-
-$custom-radio-radius: 50% !default;
-$custom-radio-checked-icon: str-replace(url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='-4 -4 8 8'%3E%3Ccircle r='3' fill='#{$custom-control-checked-indicator-color}'/%3E%3C/svg%3E"), "#", "%23") !default;
-
-$custom-select-padding-x:          .75rem  !default;
-$custom-select-padding-y:          .375rem !default;
-$custom-select-indicator-padding:   1rem !default; // Extra padding to account for the presence of the background-image based indicator
-$custom-select-line-height:         $input-line-height !default;
-$custom-select-color:               $input-color !default;
-$custom-select-disabled-color:      $gray-light !default;
-$custom-select-bg:            $white !default;
-$custom-select-disabled-bg:   $gray-lighter !default;
-$custom-select-bg-size:       8px 10px !default; // In pixels because image dimensions
-$custom-select-indicator-color: #333 !default;
-$custom-select-indicator:     str-replace(url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 4 5'%3E%3Cpath fill='#{$custom-select-indicator-color}' d='M2 0L0 2h4zm0 5L0 3h4z'/%3E%3C/svg%3E"), "#", "%23") !default;
-$custom-select-border-width:  $input-btn-border-width !default;
-$custom-select-border-color:  $input-border-color !default;
-$custom-select-border-radius: $border-radius !default;
-
-$custom-select-focus-border-color: lighten($brand-primary, 25%) !default;
-$custom-select-focus-box-shadow:   inset 0 1px 2px rgba($black, .075), 0 0 5px rgba($custom-select-focus-border-color, .5) !default;
-
-$custom-select-sm-padding-y:  .2rem !default;
-$custom-select-sm-font-size:  75% !default;
-
-$custom-file-height:           2.5rem !default;
-$custom-file-width:            14rem !default;
-$custom-file-focus-box-shadow: 0 0 0 .075rem $white, 0 0 0 .2rem $brand-primary !default;
-
-$custom-file-padding-x:     .5rem !default;
-$custom-file-padding-y:     1rem !default;
-$custom-file-line-height:   1.5 !default;
-$custom-file-color:         $gray !default;
-$custom-file-bg:            $white !default;
-$custom-file-border-width:  $border-width !default;
-$custom-file-border-color:  $input-border-color !default;
-$custom-file-border-radius: $border-radius !default;
-$custom-file-box-shadow:    inset 0 .2rem .4rem rgba($black,.05) !default;
-$custom-file-button-color:  $custom-file-color !default;
-$custom-file-button-bg:     $gray-lighter !default;
-$custom-file-text: (
-  placeholder: (
-    en: "Choose file..."
-  ),
-  button-label: (
-    en: "Browse"
-  )
-) !default;
 
+// Buttons
+//
+// For each of Bootstrap's buttons, define text, background, and border color.
 
-// Form validation icons
-$form-icon-success-color: $brand-success !default;
-$form-icon-success: str-replace(url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 8 8'%3E%3Cpath fill='#{$form-icon-success-color}' d='M2.3 6.73L.6 4.53c-.4-1.04.46-1.4 1.1-.8l1.1 1.4 3.4-3.8c.6-.63 1.6-.27 1.2.7l-4 4.6c-.43.5-.8.4-1.1.1z'/%3E%3C/svg%3E"), "#", "%23") !default;
+// scss-docs-start btn-variables
+$btn-padding-y:               $input-btn-padding-y !default;
+$btn-padding-x:               $input-btn-padding-x !default;
+$btn-font-family:             $input-btn-font-family !default;
+$btn-font-size:               $input-btn-font-size !default;
+$btn-line-height:             $input-btn-line-height !default;
+$btn-white-space:             null !default; // Set to `nowrap` to prevent text wrapping
 
-$form-icon-warning-color: $brand-warning !default;
-$form-icon-warning: str-replace(url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 8 8'%3E%3Cpath fill='#{$form-icon-warning-color}' d='M4.4 5.324h-.8v-2.46h.8zm0 1.42h-.8V5.89h.8zM3.76.63L.04 7.075c-.115.2.016.425.26.426h7.397c.242 0 .372-.226.258-.426C6.726 4.924 5.47 2.79 4.253.63c-.113-.174-.39-.174-.494 0z'/%3E%3C/svg%3E"), "#", "%23") !default;
+$btn-padding-y-sm:            $input-btn-padding-y-sm !default;
+$btn-padding-x-sm:            $input-btn-padding-x-sm !default;
+$btn-font-size-sm:            $input-btn-font-size-sm !default;
 
-$form-icon-danger-color: $brand-danger !default;
-$form-icon-danger: str-replace(url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='#{$form-icon-danger-color}' viewBox='-2 -2 7 7'%3E%3Cpath stroke='%23d9534f' d='M0 0l3 3m0-3L0 3'/%3E%3Ccircle r='.5'/%3E%3Ccircle cx='3' r='.5'/%3E%3Ccircle cy='3' r='.5'/%3E%3Ccircle cx='3' cy='3' r='.5'/%3E%3C/svg%3E"), "#", "%23") !default;
+$btn-padding-y-lg:            $input-btn-padding-y-lg !default;
+$btn-padding-x-lg:            $input-btn-padding-x-lg !default;
+$btn-font-size-lg:            $input-btn-font-size-lg !default;
 
+$btn-border-width:            $input-btn-border-width !default;
 
-// Dropdowns
-//
-// Dropdown menu container and contents.
+$btn-font-weight:             $font-weight-normal !default;
+$btn-box-shadow:              inset 0 1px 0 rgba($white, .15), 0 1px 1px rgba($black, .075) !default;
+$btn-focus-width:             $input-btn-focus-width !default;
+$btn-focus-box-shadow:        $input-btn-focus-box-shadow !default;
+$btn-disabled-opacity:        .65 !default;
+$btn-active-box-shadow:       inset 0 3px 5px rgba($black, .125) !default;
 
-$dropdown-min-width:             10rem !default;
-$dropdown-padding-y:             .5rem !default;
-$dropdown-margin-top:            .125rem !default;
-$dropdown-bg:                    $white !default;
-$dropdown-border-color:          rgba($black,.15) !default;
-$dropdown-border-width:          $border-width !default;
-$dropdown-divider-bg:            $gray-lighter !default;
-$dropdown-box-shadow:            0 .5rem 1rem rgba($black,.175) !default;
+$btn-link-color:              $link-color !default;
+$btn-link-hover-color:        $link-hover-color !default;
+$btn-link-disabled-color:     $gray-600 !default;
 
-$dropdown-link-color:            $gray-dark !default;
-$dropdown-link-hover-color:      darken($gray-dark, 5%) !default;
-$dropdown-link-hover-bg:         $gray-lightest !default;
+// Allows for customizing button radius independently from global border radius
+$btn-border-radius:           $border-radius !default;
+$btn-border-radius-sm:        $border-radius-sm !default;
+$btn-border-radius-lg:        $border-radius-lg !default;
 
-$dropdown-link-active-color:     $component-active-color !default;
-$dropdown-link-active-bg:        $component-active-bg !default;
+$btn-transition:              color .15s ease-in-out, background-color .15s ease-in-out, border-color .15s ease-in-out, box-shadow .15s ease-in-out !default;
 
-$dropdown-link-disabled-color:   $gray-light !default;
+$btn-hover-bg-shade-amount:       15% !default;
+$btn-hover-bg-tint-amount:        15% !default;
+$btn-hover-border-shade-amount:   20% !default;
+$btn-hover-border-tint-amount:    10% !default;
+$btn-active-bg-shade-amount:      20% !default;
+$btn-active-bg-tint-amount:       20% !default;
+$btn-active-border-shade-amount:  25% !default;
+$btn-active-border-tint-amount:   10% !default;
+// scss-docs-end btn-variables
 
-$dropdown-item-padding-x:        1.5rem !default;
 
-$dropdown-header-color:          $gray-light !default;
+// Forms
 
+// scss-docs-start form-text-variables
+$form-text-margin-top:                  .25rem !default;
+$form-text-font-size:                   $small-font-size !default;
+$form-text-font-style:                  null !default;
+$form-text-font-weight:                 null !default;
+$form-text-color:                       $text-muted !default;
+// scss-docs-end form-text-variables
+
+// scss-docs-start form-label-variables
+$form-label-margin-bottom:              .5rem !default;
+$form-label-font-size:                  null !default;
+$form-label-font-style:                 null !default;
+$form-label-font-weight:                null !default;
+$form-label-color:                      null !default;
+// scss-docs-end form-label-variables
+
+// scss-docs-start form-input-variables
+$input-padding-y:                       $input-btn-padding-y !default;
+$input-padding-x:                       $input-btn-padding-x !default;
+$input-font-family:                     $input-btn-font-family !default;
+$input-font-size:                       $input-btn-font-size !default;
+$input-font-weight:                     $font-weight-base !default;
+$input-line-height:                     $input-btn-line-height !default;
+
+$input-padding-y-sm:                    $input-btn-padding-y-sm !default;
+$input-padding-x-sm:                    $input-btn-padding-x-sm !default;
+$input-font-size-sm:                    $input-btn-font-size-sm !default;
+
+$input-padding-y-lg:                    $input-btn-padding-y-lg !default;
+$input-padding-x-lg:                    $input-btn-padding-x-lg !default;
+$input-font-size-lg:                    $input-btn-font-size-lg !default;
+
+$input-bg:                              $white !default;
+$input-disabled-bg:                     $gray-200 !default;
+$input-disabled-border-color:           null !default;
+
+$input-color:                           $body-color !default;
+$input-border-color:                    $gray-400 !default;
+$input-border-width:                    $input-btn-border-width !default;
+$input-box-shadow:                      $box-shadow-inset !default;
+
+$input-border-radius:                   $border-radius !default;
+$input-border-radius-sm:                $border-radius-sm !default;
+$input-border-radius-lg:                $border-radius-lg !default;
+
+$input-focus-bg:                        $input-bg !default;
+$input-focus-border-color:              tint-color($component-active-bg, 50%) !default;
+$input-focus-color:                     $input-color !default;
+$input-focus-width:                     $input-btn-focus-width !default;
+$input-focus-box-shadow:                $input-btn-focus-box-shadow !default;
+
+$input-placeholder-color:               $gray-600 !default;
+$input-plaintext-color:                 $body-color !default;
+
+$input-height-border:                   $input-border-width * 2 !default;
+
+$input-height-inner:                    add($input-line-height * 1em, $input-padding-y * 2) !default;
+$input-height-inner-half:               add($input-line-height * .5em, $input-padding-y) !default;
+$input-height-inner-quarter:            add($input-line-height * .25em, $input-padding-y * .5) !default;
+
+$input-height:                          add($input-line-height * 1em, add($input-padding-y * 2, $input-height-border, false)) !default;
+$input-height-sm:                       add($input-line-height * 1em, add($input-padding-y-sm * 2, $input-height-border, false)) !default;
+$input-height-lg:                       add($input-line-height * 1em, add($input-padding-y-lg * 2, $input-height-border, false)) !default;
+
+$input-transition:                      border-color .15s ease-in-out, box-shadow .15s ease-in-out !default;
+// scss-docs-end form-input-variables
+
+// scss-docs-start form-check-variables
+$form-check-input-width:                  1em !default;
+$form-check-min-height:                   $font-size-base * $line-height-base !default;
+$form-check-padding-start:                $form-check-input-width + .5em !default;
+$form-check-margin-bottom:                .125rem !default;
+$form-check-label-color:                  null !default;
+$form-check-label-cursor:                 null !default;
+$form-check-transition:                   null !default;
+
+$form-check-input-active-filter:          brightness(90%) !default;
+
+$form-check-input-bg:                     $input-bg !default;
+$form-check-input-border:                 1px solid rgba($black, .25) !default;
+$form-check-input-border-radius:          .25em !default;
+$form-check-radio-border-radius:          50% !default;
+$form-check-input-focus-border:           $input-focus-border-color !default;
+$form-check-input-focus-box-shadow:       $input-btn-focus-box-shadow !default;
+
+$form-check-input-checked-color:          $component-active-color !default;
+$form-check-input-checked-bg-color:       $component-active-bg !default;
+$form-check-input-checked-border-color:   $form-check-input-checked-bg-color !default;
+$form-check-input-checked-bg-image:       url("data:image/svg+xml,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'><path fill='none' stroke='#{$form-check-input-checked-color}' stroke-linecap='round' stroke-linejoin='round' stroke-width='3' d='M6 10l3 3l6-6'/></svg>") !default;
+$form-check-radio-checked-bg-image:       url("data:image/svg+xml,<svg xmlns='http://www.w3.org/2000/svg' viewBox='-4 -4 8 8'><circle r='2' fill='#{$form-check-input-checked-color}'/></svg>") !default;
+
+$form-check-input-indeterminate-color:          $component-active-color !default;
+$form-check-input-indeterminate-bg-color:       $component-active-bg !default;
+$form-check-input-indeterminate-border-color:   $form-check-input-indeterminate-bg-color !default;
+$form-check-input-indeterminate-bg-image:       url("data:image/svg+xml,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'><path fill='none' stroke='#{$form-check-input-indeterminate-color}' stroke-linecap='round' stroke-linejoin='round' stroke-width='3' d='M6 10h8'/></svg>") !default;
+
+$form-check-input-disabled-opacity:        .5 !default;
+$form-check-label-disabled-opacity:        $form-check-input-disabled-opacity !default;
+$form-check-btn-check-disabled-opacity:    $btn-disabled-opacity !default;
+
+$form-check-inline-margin-end:    1rem !default;
+// scss-docs-end form-check-variables
+
+// scss-docs-start form-switch-variables
+$form-switch-color:               rgba(0, 0, 0, .25) !default;
+$form-switch-width:               2em !default;
+$form-switch-padding-start:       $form-switch-width + .5em !default;
+$form-switch-bg-image:            url("data:image/svg+xml,<svg xmlns='http://www.w3.org/2000/svg' viewBox='-4 -4 8 8'><circle r='3' fill='#{$form-switch-color}'/></svg>") !default;
+$form-switch-border-radius:       $form-switch-width !default;
+$form-switch-transition:          background-position .15s ease-in-out !default;
+
+$form-switch-focus-color:         $input-focus-border-color !default;
+$form-switch-focus-bg-image:      url("data:image/svg+xml,<svg xmlns='http://www.w3.org/2000/svg' viewBox='-4 -4 8 8'><circle r='3' fill='#{$form-switch-focus-color}'/></svg>") !default;
+
+$form-switch-checked-color:       $component-active-color !default;
+$form-switch-checked-bg-image:    url("data:image/svg+xml,<svg xmlns='http://www.w3.org/2000/svg' viewBox='-4 -4 8 8'><circle r='3' fill='#{$form-switch-checked-color}'/></svg>") !default;
+$form-switch-checked-bg-position: right center !default;
+// scss-docs-end form-switch-variables
+
+// scss-docs-start input-group-variables
+$input-group-addon-padding-y:           $input-padding-y !default;
+$input-group-addon-padding-x:           $input-padding-x !default;
+$input-group-addon-font-weight:         $input-font-weight !default;
+$input-group-addon-color:               $input-color !default;
+$input-group-addon-bg:                  $gray-200 !default;
+$input-group-addon-border-color:        $input-border-color !default;
+// scss-docs-end input-group-variables
+
+// scss-docs-start form-select-variables
+$form-select-padding-y:             $input-padding-y !default;
+$form-select-padding-x:             $input-padding-x !default;
+$form-select-font-family:           $input-font-family !default;
+$form-select-font-size:             $input-font-size !default;
+$form-select-indicator-padding:     $form-select-padding-x * 3 !default; // Extra padding for background-image
+$form-select-font-weight:           $input-font-weight !default;
+$form-select-line-height:           $input-line-height !default;
+$form-select-color:                 $input-color !default;
+$form-select-bg:                    $input-bg !default;
+$form-select-disabled-color:        null !default;
+$form-select-disabled-bg:           $gray-200 !default;
+$form-select-disabled-border-color: $input-disabled-border-color !default;
+$form-select-bg-position:           right $form-select-padding-x center !default;
+$form-select-bg-size:               16px 12px !default; // In pixels because image dimensions
+$form-select-indicator-color:       $gray-800 !default;
+$form-select-indicator:             url("data:image/svg+xml,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'><path fill='none' stroke='#{$form-select-indicator-color}' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M2 5l6 6 6-6'/></svg>") !default;
+
+$form-select-feedback-icon-padding-end: $form-select-padding-x * 2.5 + $form-select-indicator-padding !default;
+$form-select-feedback-icon-position:    center right $form-select-indicator-padding !default;
+$form-select-feedback-icon-size:        $input-height-inner-half $input-height-inner-half !default;
+
+$form-select-border-width:        $input-border-width !default;
+$form-select-border-color:        $input-border-color !default;
+$form-select-border-radius:       $border-radius !default;
+$form-select-box-shadow:          $box-shadow-inset !default;
+
+$form-select-focus-border-color:  $input-focus-border-color !default;
+$form-select-focus-width:         $input-focus-width !default;
+$form-select-focus-box-shadow:    0 0 0 $form-select-focus-width $input-btn-focus-color !default;
+
+$form-select-padding-y-sm:        $input-padding-y-sm !default;
+$form-select-padding-x-sm:        $input-padding-x-sm !default;
+$form-select-font-size-sm:        $input-font-size-sm !default;
+
+$form-select-padding-y-lg:        $input-padding-y-lg !default;
+$form-select-padding-x-lg:        $input-padding-x-lg !default;
+$form-select-font-size-lg:        $input-font-size-lg !default;
+
+$form-select-transition:          $input-transition !default;
+// scss-docs-end form-select-variables
+
+// scss-docs-start form-range-variables
+$form-range-track-width:          100% !default;
+$form-range-track-height:         .5rem !default;
+$form-range-track-cursor:         pointer !default;
+$form-range-track-bg:             $gray-300 !default;
+$form-range-track-border-radius:  1rem !default;
+$form-range-track-box-shadow:     $box-shadow-inset !default;
+
+$form-range-thumb-width:                   1rem !default;
+$form-range-thumb-height:                  $form-range-thumb-width !default;
+$form-range-thumb-bg:                      $component-active-bg !default;
+$form-range-thumb-border:                  0 !default;
+$form-range-thumb-border-radius:           1rem !default;
+$form-range-thumb-box-shadow:              0 .1rem .25rem rgba($black, .1) !default;
+$form-range-thumb-focus-box-shadow:        0 0 0 1px $body-bg, $input-focus-box-shadow !default;
+$form-range-thumb-focus-box-shadow-width:  $input-focus-width !default; // For focus box shadow issue in Edge
+$form-range-thumb-active-bg:               tint-color($component-active-bg, 70%) !default;
+$form-range-thumb-disabled-bg:             $gray-500 !default;
+$form-range-thumb-transition:              background-color .15s ease-in-out, border-color .15s ease-in-out, box-shadow .15s ease-in-out !default;
+// scss-docs-end form-range-variables
+
+// scss-docs-start form-file-variables
+$form-file-button-color:          $input-color !default;
+$form-file-button-bg:             $input-group-addon-bg !default;
+$form-file-button-hover-bg:       shade-color($form-file-button-bg, 5%) !default;
+// scss-docs-end form-file-variables
+
+// scss-docs-start form-floating-variables
+$form-floating-height:            add(3.5rem, $input-height-border) !default;
+$form-floating-line-height:       1.25 !default;
+$form-floating-padding-x:         $input-padding-x !default;
+$form-floating-padding-y:         1rem !default;
+$form-floating-input-padding-t:   1.625rem !default;
+$form-floating-input-padding-b:   .625rem !default;
+$form-floating-label-opacity:     .65 !default;
+$form-floating-label-transform:   scale(.85) translateY(-.5rem) translateX(.15rem) !default;
+$form-floating-transition:        opacity .1s ease-in-out, transform .1s ease-in-out !default;
+// scss-docs-end form-floating-variables
+
+// Form validation
+
+// scss-docs-start form-feedback-variables
+$form-feedback-margin-top:          $form-text-margin-top !default;
+$form-feedback-font-size:           $form-text-font-size !default;
+$form-feedback-font-style:          $form-text-font-style !default;
+$form-feedback-valid-color:         $success !default;
+$form-feedback-invalid-color:       $danger !default;
+
+$form-feedback-icon-valid-color:    $form-feedback-valid-color !default;
+$form-feedback-icon-valid:          url("data:image/svg+xml,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 8 8'><path fill='#{$form-feedback-icon-valid-color}' d='M2.3 6.73L.6 4.53c-.4-1.04.46-1.4 1.1-.8l1.1 1.4 3.4-3.8c.6-.63 1.6-.27 1.2.7l-4 4.6c-.43.5-.8.4-1.1.1z'/></svg>") !default;
+$form-feedback-icon-invalid-color:  $form-feedback-invalid-color !default;
+$form-feedback-icon-invalid:        url("data:image/svg+xml,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12' width='12' height='12' fill='none' stroke='#{$form-feedback-icon-invalid-color}'><circle cx='6' cy='6' r='4.5'/><path stroke-linejoin='round' d='M5.8 3.6h.4L6 6.5z'/><circle cx='6' cy='8.2' r='.6' fill='#{$form-feedback-icon-invalid-color}' stroke='none'/></svg>") !default;
+// scss-docs-end form-feedback-variables
+
+// scss-docs-start form-validation-states
+$form-validation-states: (
+  "valid": (
+    "color": $form-feedback-valid-color,
+    "icon": $form-feedback-icon-valid
+  ),
+  "invalid": (
+    "color": $form-feedback-invalid-color,
+    "icon": $form-feedback-icon-invalid
+  )
+) !default;
+// scss-docs-end form-validation-states
 
 // Z-index master list
 //
 // Warning: Avoid customizing these values. They're used for a bird's eye view
 // of components dependent on the z-axis and are designed to all work together.
 
-$zindex-dropdown-backdrop:  990 !default;
-$zindex-navbar:             1000 !default;
-$zindex-dropdown:           1000 !default;
-$zindex-fixed:              1030 !default;
-$zindex-sticky:             1030 !default;
-$zindex-modal-backdrop:     1040 !default;
-$zindex-modal:              1050 !default;
-$zindex-popover:            1060 !default;
-$zindex-tooltip:            1070 !default;
-
-
-// Navbar
-
-$navbar-border-radius:              $border-radius !default;
-$navbar-padding-x:                  $spacer !default;
-$navbar-padding-y:                  ($spacer / 2) !default;
+// scss-docs-start zindex-stack
+$zindex-dropdown:                   1000 !default;
+$zindex-sticky:                     1020 !default;
+$zindex-fixed:                      1030 !default;
+$zindex-modal-backdrop:             1040 !default;
+$zindex-offcanvas:                  1050 !default;
+$zindex-modal:                      1060 !default;
+$zindex-popover:                    1070 !default;
+$zindex-tooltip:                    1080 !default;
+// scss-docs-end zindex-stack
 
-$navbar-brand-padding-y:            .25rem !default;
-
-$navbar-toggler-padding-x:           .75rem !default;
-$navbar-toggler-padding-y:           .25rem !default;
-$navbar-toggler-font-size:           $font-size-lg !default;
-$navbar-toggler-border-radius:       $btn-border-radius !default;
-
-$navbar-inverse-color:                 rgba($white,.5) !default;
-$navbar-inverse-hover-color:           rgba($white,.75) !default;
-$navbar-inverse-active-color:          rgba($white,1) !default;
-$navbar-inverse-disabled-color:        rgba($white,.25) !default;
-$navbar-inverse-toggler-bg: str-replace(url("data:image/svg+xml;charset=utf8,%3Csvg viewBox='0 0 32 32' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath stroke='#{$navbar-inverse-color}' stroke-width='2' stroke-linecap='round' stroke-miterlimit='10' d='M4 8h24M4 16h24M4 24h24'/%3E%3C/svg%3E"), "#", "%23") !default;
-$navbar-inverse-toggler-border:        rgba($white,.1) !default;
-
-$navbar-light-color:                rgba($black,.5) !default;
-$navbar-light-hover-color:          rgba($black,.7) !default;
-$navbar-light-active-color:         rgba($black,.9) !default;
-$navbar-light-disabled-color:       rgba($black,.3) !default;
-$navbar-light-toggler-bg: str-replace(url("data:image/svg+xml;charset=utf8,%3Csvg viewBox='0 0 32 32' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath stroke='#{$navbar-light-color}' stroke-width='2' stroke-linecap='round' stroke-miterlimit='10' d='M4 8h24M4 16h24M4 24h24'/%3E%3C/svg%3E"), "#", "%23") !default;
-$navbar-light-toggler-border:       rgba($black,.1) !default;
 
 // Navs
 
-$nav-item-margin:               .2rem !default;
-$nav-item-inline-spacer:        1rem !default;
-$nav-link-padding:              .5em 1em !default;
-$nav-link-hover-bg:             $gray-lighter !default;
-$nav-disabled-link-color:       $gray-light !default;
-
-$nav-tabs-border-color:                       #ddd !default;
-$nav-tabs-border-width:                       $border-width !default;
-$nav-tabs-border-radius:                      $border-radius !default;
-$nav-tabs-link-hover-border-color:            $gray-lighter !default;
-$nav-tabs-active-link-hover-color:            $gray !default;
-$nav-tabs-active-link-hover-bg:               $body-bg !default;
-$nav-tabs-active-link-hover-border-color:     #ddd !default;
-$nav-tabs-justified-link-border-color:        #ddd !default;
-$nav-tabs-justified-active-link-border-color: $body-bg !default;
-
-$nav-pills-border-radius:     $border-radius !default;
-$nav-pills-active-link-color: $component-active-color !default;
-$nav-pills-active-link-bg:    $component-active-bg !default;
+// scss-docs-start nav-variables
+$nav-link-padding-y:                .5rem !default;
+$nav-link-padding-x:                1rem !default;
+$nav-link-font-size:                null !default;
+$nav-link-font-weight:              null !default;
+$nav-link-color:                    $link-color !default;
+$nav-link-hover-color:              $link-hover-color !default;
+$nav-link-transition:               color .15s ease-in-out, background-color .15s ease-in-out, border-color .15s ease-in-out !default;
+$nav-link-disabled-color:           $gray-600 !default;
+
+$nav-tabs-border-color:             $gray-300 !default;
+$nav-tabs-border-width:             $border-width !default;
+$nav-tabs-border-radius:            $border-radius !default;
+$nav-tabs-link-hover-border-color:  $gray-200 $gray-200 $nav-tabs-border-color !default;
+$nav-tabs-link-active-color:        $gray-700 !default;
+$nav-tabs-link-active-bg:           $body-bg !default;
+$nav-tabs-link-active-border-color: $gray-300 $gray-300 $nav-tabs-link-active-bg !default;
+
+$nav-pills-border-radius:           $border-radius !default;
+$nav-pills-link-active-color:       $component-active-color !default;
+$nav-pills-link-active-bg:          $component-active-bg !default;
+// scss-docs-end nav-variables
 
 
-// Pagination
+// Navbar
 
-$pagination-padding-x:                .75rem !default;
-$pagination-padding-y:                .5rem !default;
-$pagination-padding-x-sm:             .5rem !default;
-$pagination-padding-y-sm:             .25rem !default;
-$pagination-padding-x-lg:             1.5rem !default;
-$pagination-padding-y-lg:             .75rem !default;
-$pagination-line-height:              1.25 !default;
+// scss-docs-start navbar-variables
+$navbar-padding-y:                  $spacer * .5 !default;
+$navbar-padding-x:                  null !default;
+
+$navbar-nav-link-padding-x:         .5rem !default;
+
+$navbar-brand-font-size:            $font-size-lg !default;
+// Compute the navbar-brand padding-y so the navbar-brand will have the same height as navbar-text and nav-link
+$nav-link-height:                   $font-size-base * $line-height-base + $nav-link-padding-y * 2 !default;
+$navbar-brand-height:               $navbar-brand-font-size * $line-height-base !default;
+$navbar-brand-padding-y:            ($nav-link-height - $navbar-brand-height) * .5 !default;
+$navbar-brand-margin-end:           1rem !default;
+
+$navbar-toggler-padding-y:          .25rem !default;
+$navbar-toggler-padding-x:          .75rem !default;
+$navbar-toggler-font-size:          $font-size-lg !default;
+$navbar-toggler-border-radius:      $btn-border-radius !default;
+$navbar-toggler-focus-width:        $btn-focus-width !default;
+$navbar-toggler-transition:         box-shadow .15s ease-in-out !default;
+// scss-docs-end navbar-variables
+
+// scss-docs-start navbar-theme-variables
+$navbar-dark-color:                 rgba($white, .55) !default;
+$navbar-dark-hover-color:           rgba($white, .75) !default;
+$navbar-dark-active-color:          $white !default;
+$navbar-dark-disabled-color:        rgba($white, .25) !default;
+$navbar-dark-toggler-icon-bg:       url("data:image/svg+xml,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'><path stroke='#{$navbar-dark-color}' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/></svg>") !default;
+$navbar-dark-toggler-border-color:  rgba($white, .1) !default;
+
+$navbar-light-color:                rgba($black, .55) !default;
+$navbar-light-hover-color:          rgba($black, .7) !default;
+$navbar-light-active-color:         rgba($black, .9) !default;
+$navbar-light-disabled-color:       rgba($black, .3) !default;
+$navbar-light-toggler-icon-bg:      url("data:image/svg+xml,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'><path stroke='#{$navbar-light-color}' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/></svg>") !default;
+$navbar-light-toggler-border-color: rgba($black, .1) !default;
+
+$navbar-light-brand-color:                $navbar-light-active-color !default;
+$navbar-light-brand-hover-color:          $navbar-light-active-color !default;
+$navbar-dark-brand-color:                 $navbar-dark-active-color !default;
+$navbar-dark-brand-hover-color:           $navbar-dark-active-color !default;
+// scss-docs-end navbar-theme-variables
 
-$pagination-color:                     $link-color !default;
-$pagination-bg:                        $white !default;
-$pagination-border-width:              $border-width !default;
-$pagination-border-color:              #ddd !default;
 
-$pagination-hover-color:               $link-hover-color !default;
-$pagination-hover-bg:                  $gray-lighter !default;
-$pagination-hover-border:              #ddd !default;
+// Dropdowns
+//
+// Dropdown menu container and contents.
 
-$pagination-active-color:              $white !default;
-$pagination-active-bg:                 $brand-primary !default;
-$pagination-active-border:             $brand-primary !default;
+// scss-docs-start dropdown-variables
+$dropdown-min-width:                10rem !default;
+$dropdown-padding-x:                0 !default;
+$dropdown-padding-y:                .5rem !default;
+$dropdown-spacer:                   .125rem !default;
+$dropdown-font-size:                $font-size-base !default;
+$dropdown-color:                    $body-color !default;
+$dropdown-bg:                       $white !default;
+$dropdown-border-color:             rgba($black, .15) !default;
+$dropdown-border-radius:            $border-radius !default;
+$dropdown-border-width:             $border-width !default;
+$dropdown-inner-border-radius:      subtract($dropdown-border-radius, $dropdown-border-width) !default;
+$dropdown-divider-bg:               $dropdown-border-color !default;
+$dropdown-divider-margin-y:         $spacer * .5 !default;
+$dropdown-box-shadow:               $box-shadow !default;
+
+$dropdown-link-color:               $gray-900 !default;
+$dropdown-link-hover-color:         shade-color($gray-900, 10%) !default;
+$dropdown-link-hover-bg:            $gray-200 !default;
+
+$dropdown-link-active-color:        $component-active-color !default;
+$dropdown-link-active-bg:           $component-active-bg !default;
+
+$dropdown-link-disabled-color:      $gray-500 !default;
+
+$dropdown-item-padding-y:           $spacer * .25 !default;
+$dropdown-item-padding-x:           $spacer !default;
+
+$dropdown-header-color:             $gray-600 !default;
+$dropdown-header-padding:           $dropdown-padding-y $dropdown-item-padding-x !default;
+// scss-docs-end dropdown-variables
+
+// scss-docs-start dropdown-dark-variables
+$dropdown-dark-color:               $gray-300 !default;
+$dropdown-dark-bg:                  $gray-800 !default;
+$dropdown-dark-border-color:        $dropdown-border-color !default;
+$dropdown-dark-divider-bg:          $dropdown-divider-bg !default;
+$dropdown-dark-box-shadow:          null !default;
+$dropdown-dark-link-color:          $dropdown-dark-color !default;
+$dropdown-dark-link-hover-color:    $white !default;
+$dropdown-dark-link-hover-bg:       rgba($white, .15) !default;
+$dropdown-dark-link-active-color:   $dropdown-link-active-color !default;
+$dropdown-dark-link-active-bg:      $dropdown-link-active-bg !default;
+$dropdown-dark-link-disabled-color: $gray-500 !default;
+$dropdown-dark-header-color:        $gray-500 !default;
+// scss-docs-end dropdown-dark-variables
 
-$pagination-disabled-color:            $gray-light !default;
-$pagination-disabled-bg:               $white !default;
-$pagination-disabled-border:           #ddd !default;
 
+// Pagination
 
-// Jumbotron
+// scss-docs-start pagination-variables
+$pagination-padding-y:              .375rem !default;
+$pagination-padding-x:              .75rem !default;
+$pagination-padding-y-sm:           .25rem !default;
+$pagination-padding-x-sm:           .5rem !default;
+$pagination-padding-y-lg:           .75rem !default;
+$pagination-padding-x-lg:           1.5rem !default;
 
-$jumbotron-padding:              2rem !default;
-$jumbotron-bg:                   $gray-lighter !default;
+$pagination-color:                  $link-color !default;
+$pagination-bg:                     $white !default;
+$pagination-border-width:           $border-width !default;
+$pagination-border-radius:          $border-radius !default;
+$pagination-margin-start:           -$pagination-border-width !default;
+$pagination-border-color:           $gray-300 !default;
 
+$pagination-focus-color:            $link-hover-color !default;
+$pagination-focus-bg:               $gray-200 !default;
+$pagination-focus-box-shadow:       $input-btn-focus-box-shadow !default;
+$pagination-focus-outline:          0 !default;
 
-// Form states and alerts
-//
-// Define colors for form feedback states and, by default, alerts.
+$pagination-hover-color:            $link-hover-color !default;
+$pagination-hover-bg:               $gray-200 !default;
+$pagination-hover-border-color:     $gray-300 !default;
 
-$state-success-text:             #3c763d !default;
-$state-success-bg:               #dff0d8 !default;
-$state-success-border:           darken($state-success-bg, 5%) !default;
+$pagination-active-color:           $component-active-color !default;
+$pagination-active-bg:              $component-active-bg !default;
+$pagination-active-border-color:    $pagination-active-bg !default;
 
-$state-info-text:                #31708f !default;
-$state-info-bg:                  #d9edf7 !default;
-$state-info-border:              darken($state-info-bg, 7%) !default;
+$pagination-disabled-color:         $gray-600 !default;
+$pagination-disabled-bg:            $white !default;
+$pagination-disabled-border-color:  $gray-300 !default;
 
-$state-warning-text:             #8a6d3b !default;
-$state-warning-bg:               #fcf8e3 !default;
-$mark-bg:                        $state-warning-bg !default;
-$state-warning-border:           darken($state-warning-bg, 5%) !default;
+$pagination-transition:              color .15s ease-in-out, background-color .15s ease-in-out, border-color .15s ease-in-out, box-shadow .15s ease-in-out !default;
 
-$state-danger-text:              #a94442 !default;
-$state-danger-bg:                #f2dede !default;
-$state-danger-border:            darken($state-danger-bg, 5%) !default;
+$pagination-border-radius-sm:       $border-radius-sm !default;
+$pagination-border-radius-lg:       $border-radius-lg !default;
+// scss-docs-end pagination-variables
 
 
 // Cards
 
-$card-spacer-x:            1.25rem !default;
-$card-spacer-y:            .75rem !default;
-$card-border-width:        1px !default;
-$card-border-radius:       $border-radius !default;
-$card-border-color:        rgba($black,.125) !default;
-$card-border-radius-inner: calc(#{$card-border-radius} - #{$card-border-width}) !default;
-$card-cap-bg:              $gray-lightest !default;
-$card-bg:                  $white !default;
-
-$card-link-hover-color:    $white !default;
-
-$card-img-overlay-padding: 1.25rem !default;
-
-$card-deck-margin:          ($grid-gutter-width-base / 2) !default;
-
-$card-columns-count:        3 !default;
-$card-columns-gap:          1.25rem !default;
-$card-columns-margin:       $card-spacer-y !default;
-
+// scss-docs-start card-variables
+$card-spacer-y:                     $spacer !default;
+$card-spacer-x:                     $spacer !default;
+$card-title-spacer-y:               $spacer * .5 !default;
+$card-border-width:                 $border-width !default;
+$card-border-radius:                $border-radius !default;
+$card-border-color:                 rgba($black, .125) !default;
+$card-inner-border-radius:          subtract($card-border-radius, $card-border-width) !default;
+$card-cap-padding-y:                $card-spacer-y * .5 !default;
+$card-cap-padding-x:                $card-spacer-x !default;
+$card-cap-bg:                       rgba($black, .03) !default;
+$card-cap-color:                    null !default;
+$card-height:                       null !default;
+$card-color:                        null !default;
+$card-bg:                           $white !default;
+$card-img-overlay-padding:          $spacer !default;
+$card-group-margin:                 $grid-gutter-width * .5 !default;
+// scss-docs-end card-variables
+
+// Accordion
+
+// scss-docs-start accordion-variables
+$accordion-padding-y:                     1rem !default;
+$accordion-padding-x:                     1.25rem !default;
+$accordion-color:                         $body-color !default;
+$accordion-bg:                            $body-bg !default;
+$accordion-border-width:                  $border-width !default;
+$accordion-border-color:                  rgba($black, .125) !default;
+$accordion-border-radius:                 $border-radius !default;
+$accordion-inner-border-radius:           subtract($accordion-border-radius, $accordion-border-width) !default;
+
+$accordion-body-padding-y:                $accordion-padding-y !default;
+$accordion-body-padding-x:                $accordion-padding-x !default;
+
+$accordion-button-padding-y:              $accordion-padding-y !default;
+$accordion-button-padding-x:              $accordion-padding-x !default;
+$accordion-button-color:                  $accordion-color !default;
+$accordion-button-bg:                     $accordion-bg !default;
+$accordion-transition:                    $btn-transition, border-radius .15s ease !default;
+$accordion-button-active-bg:              tint-color($component-active-bg, 90%) !default;
+$accordion-button-active-color:           shade-color($primary, 10%) !default;
+
+$accordion-button-focus-border-color:     $input-focus-border-color !default;
+$accordion-button-focus-box-shadow:       $btn-focus-box-shadow !default;
+
+$accordion-icon-width:                    1.25rem !default;
+$accordion-icon-color:                    $accordion-color !default;
+$accordion-icon-active-color:             $accordion-button-active-color !default;
+$accordion-icon-transition:               transform .2s ease-in-out !default;
+$accordion-icon-transform:                rotate(-180deg) !default;
+
+$accordion-button-icon:         url("data:image/svg+xml,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='#{$accordion-icon-color}'><path fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/></svg>") !default;
+$accordion-button-active-icon:  url("data:image/svg+xml,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='#{$accordion-icon-active-color}'><path fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/></svg>") !default;
+// scss-docs-end accordion-variables
 
 // Tooltips
 
-$tooltip-max-width:           200px !default;
-$tooltip-color:               $white !default;
-$tooltip-bg:                  $black !default;
-$tooltip-opacity:             .9 !default;
-$tooltip-padding-y:           3px !default;
-$tooltip-padding-x:           8px !default;
-$tooltip-margin:              3px !default;
-
-$tooltip-arrow-width:         5px !default;
-$tooltip-arrow-color:         $tooltip-bg !default;
+// scss-docs-start tooltip-variables
+$tooltip-font-size:                 $font-size-sm !default;
+$tooltip-max-width:                 200px !default;
+$tooltip-color:                     $white !default;
+$tooltip-bg:                        $black !default;
+$tooltip-border-radius:             $border-radius !default;
+$tooltip-opacity:                   .9 !default;
+$tooltip-padding-y:                 $spacer * .25 !default;
+$tooltip-padding-x:                 $spacer * .5 !default;
+$tooltip-margin:                    0 !default;
+
+$tooltip-arrow-width:               .8rem !default;
+$tooltip-arrow-height:              .4rem !default;
+$tooltip-arrow-color:               $tooltip-bg !default;
+// scss-docs-end tooltip-variables
+
+// Form tooltips must come after regular tooltips
+// scss-docs-start tooltip-feedback-variables
+$form-feedback-tooltip-padding-y:     $tooltip-padding-y !default;
+$form-feedback-tooltip-padding-x:     $tooltip-padding-x !default;
+$form-feedback-tooltip-font-size:     $tooltip-font-size !default;
+$form-feedback-tooltip-line-height:   null !default;
+$form-feedback-tooltip-opacity:       $tooltip-opacity !default;
+$form-feedback-tooltip-border-radius: $tooltip-border-radius !default;
+// scss-docs-end tooltip-feedback-variables
 
 
 // Popovers
 
-$popover-inner-padding:               1px !default;
-$popover-bg:                          $white !default;
-$popover-max-width:                   276px !default;
-$popover-border-width:                $border-width !default;
-$popover-border-color:                rgba($black,.2) !default;
-$popover-box-shadow:                  0 5px 10px rgba($black,.2) !default;
-
-$popover-title-bg:                    darken($popover-bg, 3%) !default;
-$popover-title-padding-x:             14px !default;
-$popover-title-padding-y:             8px !default;
-
-$popover-content-padding-x:           14px !default;
-$popover-content-padding-y:           9px !default;
-
-$popover-arrow-width:                 10px !default;
-$popover-arrow-color:                 $popover-bg !default;
-
-$popover-arrow-outer-width:           ($popover-arrow-width + 1px) !default;
-$popover-arrow-outer-color:           fade-in($popover-border-color, .05) !default;
+// scss-docs-start popover-variables
+$popover-font-size:                 $font-size-sm !default;
+$popover-bg:                        $white !default;
+$popover-max-width:                 276px !default;
+$popover-border-width:              $border-width !default;
+$popover-border-color:              rgba($black, .2) !default;
+$popover-border-radius:             $border-radius-lg !default;
+$popover-inner-border-radius:       subtract($popover-border-radius, $popover-border-width) !default;
+$popover-box-shadow:                $box-shadow !default;
+
+$popover-header-bg:                 shade-color($popover-bg, 6%) !default;
+$popover-header-color:              $headings-color !default;
+$popover-header-padding-y:          .5rem !default;
+$popover-header-padding-x:          $spacer !default;
+
+$popover-body-color:                $body-color !default;
+$popover-body-padding-y:            $spacer !default;
+$popover-body-padding-x:            $spacer !default;
+
+$popover-arrow-width:               1rem !default;
+$popover-arrow-height:              .5rem !default;
+$popover-arrow-color:               $popover-bg !default;
+
+$popover-arrow-outer-color:         fade-in($popover-border-color, .05) !default;
+// scss-docs-end popover-variables
+
+
+// Toasts
+
+// scss-docs-start toast-variables
+$toast-max-width:                   350px !default;
+$toast-padding-x:                   .75rem !default;
+$toast-padding-y:                   .5rem !default;
+$toast-font-size:                   .875rem !default;
+$toast-color:                       null !default;
+$toast-background-color:            rgba($white, .85) !default;
+$toast-border-width:                1px !default;
+$toast-border-color:                rgba(0, 0, 0, .1) !default;
+$toast-border-radius:               $border-radius !default;
+$toast-box-shadow:                  $box-shadow !default;
+$toast-spacing:                     $container-padding-x !default;
+
+$toast-header-color:                $gray-600 !default;
+$toast-header-background-color:     rgba($white, .85) !default;
+$toast-header-border-color:         rgba(0, 0, 0, .05) !default;
+// scss-docs-end toast-variables
 
 
 // Badges
 
-$badge-default-bg:            $gray-light !default;
-$badge-primary-bg:            $brand-primary !default;
-$badge-success-bg:            $brand-success !default;
-$badge-info-bg:               $brand-info !default;
-$badge-warning-bg:            $brand-warning !default;
-$badge-danger-bg:             $brand-danger !default;
-
-$badge-color:                 $white !default;
-$badge-link-hover-color:      $white !default;
-$badge-font-size:             75% !default;
-$badge-font-weight:           $font-weight-bold !default;
-$badge-padding-x:             .4em !default;
-$badge-padding-y:             .25em !default;
-
-$badge-pill-padding-x:        .6em !default;
-// Use a higher than normal value to ensure completely rounded edges when
-// customizing padding or font-size on labels.
-$badge-pill-border-radius:    10rem !default;
+// scss-docs-start badge-variables
+$badge-font-size:                   .75em !default;
+$badge-font-weight:                 $font-weight-bold !default;
+$badge-color:                       $white !default;
+$badge-padding-y:                   .35em !default;
+$badge-padding-x:                   .65em !default;
+$badge-border-radius:               $border-radius !default;
+// scss-docs-end badge-variables
 
 
 // Modals
 
-// Padding applied to the modal body
-$modal-inner-padding:         15px !default;
+// scss-docs-start modal-variables
+$modal-inner-padding:               $spacer !default;
+
+$modal-footer-margin-between:       .5rem !default;
 
-$modal-dialog-margin:         10px !default;
-$modal-dialog-sm-up-margin-y: 30px !default;
+$modal-dialog-margin:               .5rem !default;
+$modal-dialog-margin-y-sm-up:       1.75rem !default;
 
-$modal-title-line-height:     $line-height-base !default;
+$modal-title-line-height:           $line-height-base !default;
 
-$modal-content-bg:               $white !default;
-$modal-content-border-color:     rgba($black,.2) !default;
-$modal-content-border-width:     $border-width !default;
-$modal-content-xs-box-shadow:    0 3px 9px rgba($black,.5) !default;
-$modal-content-sm-up-box-shadow: 0 5px 15px rgba($black,.5) !default;
+$modal-content-color:               null !default;
+$modal-content-bg:                  $white !default;
+$modal-content-border-color:        rgba($black, .2) !default;
+$modal-content-border-width:        $border-width !default;
+$modal-content-border-radius:       $border-radius-lg !default;
+$modal-content-inner-border-radius: subtract($modal-content-border-radius, $modal-content-border-width) !default;
+$modal-content-box-shadow-xs:       $box-shadow-sm !default;
+$modal-content-box-shadow-sm-up:    $box-shadow !default;
 
-$modal-backdrop-bg:           $black !default;
-$modal-backdrop-opacity:      .5 !default;
-$modal-header-border-color:   $gray-lighter !default;
-$modal-footer-border-color:   $modal-header-border-color !default;
-$modal-header-border-width:   $modal-content-border-width !default;
-$modal-footer-border-width:   $modal-header-border-width !default;
-$modal-header-padding:        15px !default;
+$modal-backdrop-bg:                 $black !default;
+$modal-backdrop-opacity:            .5 !default;
+$modal-header-border-color:         $border-color !default;
+$modal-footer-border-color:         $modal-header-border-color !default;
+$modal-header-border-width:         $modal-content-border-width !default;
+$modal-footer-border-width:         $modal-header-border-width !default;
+$modal-header-padding-y:            $modal-inner-padding !default;
+$modal-header-padding-x:            $modal-inner-padding !default;
+$modal-header-padding:              $modal-header-padding-y $modal-header-padding-x !default; // Keep this for backwards compatibility
 
-$modal-lg:                    800px !default;
-$modal-md:                    500px !default;
-$modal-sm:                    300px !default;
+$modal-sm:                          300px !default;
+$modal-md:                          500px !default;
+$modal-lg:                          800px !default;
+$modal-xl:                          1140px !default;
 
-$modal-transition:            transform .3s ease-out !default;
+$modal-fade-transform:              translate(0, -50px) !default;
+$modal-show-transform:              none !default;
+$modal-transition:                  transform .3s ease-out !default;
+$modal-scale-transform:             scale(1.02) !default;
+// scss-docs-end modal-variables
 
 
 // Alerts
 //
 // Define alert colors, border radius, and padding.
 
-$alert-padding-x:             1.25rem !default;
-$alert-padding-y:             .75rem !default;
-$alert-margin-bottom:         $spacer-y !default;
-$alert-border-radius:         $border-radius !default;
-$alert-link-font-weight:      $font-weight-bold !default;
-$alert-border-width:          $border-width !default;
-
-$alert-success-bg:            $state-success-bg !default;
-$alert-success-text:          $state-success-text !default;
-$alert-success-border:        $state-success-border !default;
-
-$alert-info-bg:               $state-info-bg !default;
-$alert-info-text:             $state-info-text !default;
-$alert-info-border:           $state-info-border !default;
-
-$alert-warning-bg:            $state-warning-bg !default;
-$alert-warning-text:          $state-warning-text !default;
-$alert-warning-border:        $state-warning-border !default;
-
-$alert-danger-bg:             $state-danger-bg !default;
-$alert-danger-text:           $state-danger-text !default;
-$alert-danger-border:         $state-danger-border !default;
+// scss-docs-start alert-variables
+$alert-padding-y:               $spacer !default;
+$alert-padding-x:               $spacer !default;
+$alert-margin-bottom:           1rem !default;
+$alert-border-radius:           $border-radius !default;
+$alert-link-font-weight:        $font-weight-bold !default;
+$alert-border-width:            $border-width !default;
+$alert-bg-scale:                -80% !default;
+$alert-border-scale:            -70% !default;
+$alert-color-scale:             40% !default;
+$alert-dismissible-padding-r:   $alert-padding-x * 3 !default; // 3x covers width of x plus default padding on either side
+// scss-docs-end alert-variables
 
 
 // Progress bars
 
-$progress-height:               1rem !default;
-$progress-font-size:            .75rem !default;
-$progress-bg:                   $gray-lighter !default;
-$progress-border-radius:        $border-radius !default;
-$progress-box-shadow:           inset 0 .1rem .1rem rgba($black,.1) !default;
-$progress-bar-color:            $white !default;
-$progress-bar-bg:               $brand-primary !default;
-$progress-bar-animation-timing: 1s linear infinite !default;
+// scss-docs-start progress-variables
+$progress-height:                   1rem !default;
+$progress-font-size:                $font-size-base * .75 !default;
+$progress-bg:                       $gray-200 !default;
+$progress-border-radius:            $border-radius !default;
+$progress-box-shadow:               $box-shadow-inset !default;
+$progress-bar-color:                $white !default;
+$progress-bar-bg:                   $primary !default;
+$progress-bar-animation-timing:     1s linear infinite !default;
+$progress-bar-transition:           width .6s ease !default;
+// scss-docs-end progress-variables
+
 
 // List group
 
-$list-group-color:               $body-color !default;
-$list-group-bg:                  $white !default;
-$list-group-border-color:        rgba($black,.125) !default;
-$list-group-border-width:        $border-width !default;
-$list-group-border-radius:       $border-radius !default;
+// scss-docs-start list-group-variables
+$list-group-color:                  $gray-900 !default;
+$list-group-bg:                     $white !default;
+$list-group-border-color:           rgba($black, .125) !default;
+$list-group-border-width:           $border-width !default;
+$list-group-border-radius:          $border-radius !default;
 
-$list-group-item-padding-x:      1.25rem !default;
-$list-group-item-padding-y:      .75rem !default;
+$list-group-item-padding-y:         $spacer * .5 !default;
+$list-group-item-padding-x:         $spacer !default;
+$list-group-item-bg-scale:          -80% !default;
+$list-group-item-color-scale:       40% !default;
 
-$list-group-hover-bg:            $gray-lightest !default;
-$list-group-active-color:        $component-active-color !default;
-$list-group-active-bg:           $component-active-bg !default;
-$list-group-active-border:       $list-group-active-bg !default;
-$list-group-active-text-color:   lighten($list-group-active-bg, 50%) !default;
+$list-group-hover-bg:               $gray-100 !default;
+$list-group-active-color:           $component-active-color !default;
+$list-group-active-bg:              $component-active-bg !default;
+$list-group-active-border-color:    $list-group-active-bg !default;
 
-$list-group-disabled-color:      $gray-light !default;
-$list-group-disabled-bg:         $list-group-bg !default;
-$list-group-disabled-text-color: $list-group-disabled-color !default;
+$list-group-disabled-color:         $gray-600 !default;
+$list-group-disabled-bg:            $list-group-bg !default;
 
-$list-group-link-color:          $gray !default;
-$list-group-link-heading-color:  $gray-dark !default;
-$list-group-link-hover-color:    $list-group-link-color !default;
+$list-group-action-color:           $gray-700 !default;
+$list-group-action-hover-color:     $list-group-action-color !default;
 
-$list-group-link-active-color:   $list-group-color !default;
-$list-group-link-active-bg:      $gray-lighter !default;
+$list-group-action-active-color:    $body-color !default;
+$list-group-action-active-bg:       $gray-200 !default;
+// scss-docs-end list-group-variables
 
 
 // Image thumbnails
 
-$thumbnail-padding:           .25rem !default;
-$thumbnail-bg:                $body-bg !default;
-$thumbnail-border-width:      $border-width !default;
-$thumbnail-border-color:      #ddd !default;
-$thumbnail-border-radius:     $border-radius !default;
-$thumbnail-box-shadow:        0 1px 2px rgba($black,.075) !default;
-$thumbnail-transition:        all .2s ease-in-out !default;
+// scss-docs-start thumbnail-variables
+$thumbnail-padding:                 .25rem !default;
+$thumbnail-bg:                      $body-bg !default;
+$thumbnail-border-width:            $border-width !default;
+$thumbnail-border-color:            $gray-300 !default;
+$thumbnail-border-radius:           $border-radius !default;
+$thumbnail-box-shadow:              $box-shadow-sm !default;
+// scss-docs-end thumbnail-variables
 
 
 // Figures
 
-$figure-caption-font-size: 90% !default;
-$figure-caption-color:     $gray-light !default;
+// scss-docs-start figure-variables
+$figure-caption-font-size:          $small-font-size !default;
+$figure-caption-color:              $gray-600 !default;
+// scss-docs-end figure-variables
 
 
 // Breadcrumbs
 
-$breadcrumb-padding-y:          .75rem !default;
-$breadcrumb-padding-x:          1rem !default;
-$breadcrumb-item-padding:       .5rem !default;
+// scss-docs-start breadcrumb-variables
+$breadcrumb-font-size:              null !default;
+$breadcrumb-padding-y:              0 !default;
+$breadcrumb-padding-x:              0 !default;
+$breadcrumb-item-padding-x:         .5rem !default;
+$breadcrumb-margin-bottom:          1rem !default;
+$breadcrumb-bg:                     null !default;
+$breadcrumb-divider-color:          $gray-600 !default;
+$breadcrumb-active-color:           $gray-600 !default;
+$breadcrumb-divider:                quote("/") !default;
+$breadcrumb-divider-flipped:        $breadcrumb-divider !default;
+$breadcrumb-border-radius:          null !default;
+// scss-docs-end breadcrumb-variables
 
-$breadcrumb-bg:                 $gray-lighter !default;
-$breadcrumb-divider-color:      $gray-light !default;
-$breadcrumb-active-color:       $gray-light !default;
-$breadcrumb-divider:            "/" !default;
+// Carousel
 
+// scss-docs-start carousel-variables
+$carousel-control-color:             $white !default;
+$carousel-control-width:             15% !default;
+$carousel-control-opacity:           .5 !default;
+$carousel-control-hover-opacity:     .9 !default;
+$carousel-control-transition:        opacity .15s ease !default;
 
-// Carousel
+$carousel-indicator-width:           30px !default;
+$carousel-indicator-height:          3px !default;
+$carousel-indicator-hit-area-height: 10px !default;
+$carousel-indicator-spacer:          3px !default;
+$carousel-indicator-opacity:         .5 !default;
+$carousel-indicator-active-bg:       $white !default;
+$carousel-indicator-active-opacity:  1 !default;
+$carousel-indicator-transition:      opacity .6s ease !default;
 
-$carousel-control-color:                      $white !default;
-$carousel-control-width:                      15% !default;
-$carousel-control-opacity:                    .5 !default;
+$carousel-caption-width:             70% !default;
+$carousel-caption-color:             $white !default;
+$carousel-caption-padding-y:         1.25rem !default;
+$carousel-caption-spacer:            1.25rem !default;
 
-$carousel-indicator-width:                    30px !default;
-$carousel-indicator-height:                   3px !default;
-$carousel-indicator-spacer:                   3px !default;
-$carousel-indicator-active-bg:                $white !default;
+$carousel-control-icon-width:        2rem !default;
 
-$carousel-caption-width:                      70% !default;
-$carousel-caption-color:                      $white !default;
+$carousel-control-prev-icon-bg:      url("data:image/svg+xml,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='#{$carousel-control-color}'><path d='M11.354 1.646a.5.5 0 0 1 0 .708L5.707 8l5.647 5.646a.5.5 0 0 1-.708.708l-6-6a.5.5 0 0 1 0-.708l6-6a.5.5 0 0 1 .708 0z'/></svg>") !default;
+$carousel-control-next-icon-bg:      url("data:image/svg+xml,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='#{$carousel-control-color}'><path d='M4.646 1.646a.5.5 0 0 1 .708 0l6 6a.5.5 0 0 1 0 .708l-6 6a.5.5 0 0 1-.708-.708L10.293 8 4.646 2.354a.5.5 0 0 1 0-.708z'/></svg>") !default;
 
-$carousel-control-icon-width:                 20px !default;
+$carousel-transition-duration:       .6s !default;
+$carousel-transition:                transform $carousel-transition-duration ease-in-out !default; // Define transform transition first if using multiple transitions (e.g., `transform 2s ease, opacity .5s ease-out`)
 
-$carousel-control-prev-icon-bg: str-replace(url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='#{$carousel-control-color}' viewBox='0 0 8 8'%3E%3Cpath d='M4 0l-4 4 4 4 1.5-1.5-2.5-2.5 2.5-2.5-1.5-1.5z'/%3E%3C/svg%3E"), "#", "%23") !default;
-$carousel-control-next-icon-bg: str-replace(url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='#{$carousel-control-color}' viewBox='0 0 8 8'%3E%3Cpath d='M1.5 0l-1.5 1.5 2.5 2.5-2.5 2.5 1.5 1.5 4-4-4-4z'/%3E%3C/svg%3E"), "#", "%23") !default;
+$carousel-dark-indicator-active-bg:  $black !default;
+$carousel-dark-caption-color:        $black !default;
+$carousel-dark-control-icon-filter:  invert(1) grayscale(100) !default;
+// scss-docs-end carousel-variables
 
-$carousel-transition:           transform .6s ease-in-out !default;
 
+// Spinners
 
-// Close
+// scss-docs-start spinner-variables
+$spinner-width:           2rem !default;
+$spinner-height:          $spinner-width !default;
+$spinner-vertical-align:  -.125em !default;
+$spinner-border-width:    .25em !default;
+$spinner-animation-speed: .75s !default;
+
+$spinner-width-sm:        1rem !default;
+$spinner-height-sm:       $spinner-width-sm !default;
+$spinner-border-width-sm: .2em !default;
+// scss-docs-end spinner-variables
 
-$close-font-size:             $font-size-base * 1.5 !default;
-$close-font-weight:           $font-weight-bold !default;
-$close-color:                 $black !default;
-$close-text-shadow:           0 1px 0 $white !default;
 
+// Close
+
+// scss-docs-start close-variables
+$btn-close-width:            1em !default;
+$btn-close-height:           $btn-close-width !default;
+$btn-close-padding-x:        .25em !default;
+$btn-close-padding-y:        $btn-close-padding-x !default;
+$btn-close-color:            $black !default;
+$btn-close-bg:               url("data:image/svg+xml,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='#{$btn-close-color}'><path d='M.293.293a1 1 0 011.414 0L8 6.586 14.293.293a1 1 0 111.414 1.414L9.414 8l6.293 6.293a1 1 0 01-1.414 1.414L8 9.414l-6.293 6.293a1 1 0 01-1.414-1.414L6.586 8 .293 1.707a1 1 0 010-1.414z'/></svg>") !default;
+$btn-close-focus-shadow:     $input-btn-focus-box-shadow !default;
+$btn-close-opacity:          .5 !default;
+$btn-close-hover-opacity:    .75 !default;
+$btn-close-focus-opacity:    1 !default;
+$btn-close-disabled-opacity: .25 !default;
+$btn-close-white-filter:     invert(1) grayscale(100%) brightness(200%) !default;
+// scss-docs-end close-variables
+
+
+// Offcanvas
+
+// scss-docs-start offcanvas-variables
+$offcanvas-padding-y:               $modal-inner-padding !default;
+$offcanvas-padding-x:               $modal-inner-padding !default;
+$offcanvas-horizontal-width:        400px !default;
+$offcanvas-vertical-height:         30vh !default;
+$offcanvas-transition-duration:     .3s !default;
+$offcanvas-border-color:            $modal-content-border-color !default;
+$offcanvas-border-width:            $modal-content-border-width !default;
+$offcanvas-title-line-height:       $modal-title-line-height !default;
+$offcanvas-bg-color:                $modal-content-bg !default;
+$offcanvas-color:                   $modal-content-color !default;
+$offcanvas-box-shadow:              $modal-content-box-shadow-xs !default;
+// scss-docs-end offcanvas-variables
 
 // Code
 
-$code-font-size:              90% !default;
-$code-padding-x:              .4rem !default;
-$code-padding-y:              .2rem !default;
-$code-color:                  #bd4147 !default;
-$code-bg:                     $gray-lightest !default;
+$code-font-size:                    $small-font-size !default;
+$code-color:                        $pink !default;
 
-$kbd-color:                   $white !default;
-$kbd-bg:                      $gray-dark !default;
+$kbd-padding-y:                     .2rem !default;
+$kbd-padding-x:                     .4rem !default;
+$kbd-font-size:                     $code-font-size !default;
+$kbd-color:                         $white !default;
+$kbd-bg:                            $gray-900 !default;
 
-$pre-bg:                      $gray-lightest !default;
-$pre-color:                   $gray-dark !default;
-$pre-border-color:            #ccc !default;
-$pre-scrollable-max-height:   340px !default;
+$pre-color:                         null !default;
diff --git a/sass/vendor/bootstrap/scss/bootstrap-grid.scss b/sass/vendor/bootstrap/scss/bootstrap-grid.scss
index 182b962..bcd8c19 100755..100644
--- a/sass/vendor/bootstrap/scss/bootstrap-grid.scss
+++ b/sass/vendor/bootstrap/scss/bootstrap-grid.scss
@@ -1,43 +1,65 @@
-// Bootstrap Grid only
-//
-// Includes relevant variables and mixins for the flexbox grid
-// system, as well as the generated predefined classes (e.g., `.col-sm-4`).
+/*!
+ * Bootstrap Grid v5.0.2 (https://getbootstrap.com/)
+ * Copyright 2011-2021 The Bootstrap Authors
+ * Copyright 2011-2021 Twitter, Inc.
+ * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
+ */
 
-//
-// Box sizing, responsive, and more
-//
-
-@at-root {
-  @-ms-viewport { width: device-width; }
-}
-
-html {
-  box-sizing: border-box;
-  -ms-overflow-style: scrollbar;
-}
-
-*,
-*::before,
-*::after {
-  box-sizing: inherit;
-}
-
-
-//
-// Variables
-//
+$include-column-box-sizing: true !default;
 
+@import "functions";
 @import "variables";
 
-//
-// Grid mixins
-//
-
-@import "mixins/clearfix";
+@import "mixins/lists";
 @import "mixins/breakpoints";
-@import "mixins/grid-framework";
+@import "mixins/container";
 @import "mixins/grid";
+@import "mixins/utilities";
 
-@import "custom";
+@import "vendor/rfs";
 
+@import "containers";
 @import "grid";
+
+@import "utilities";
+// Only use the utilities we need
+// stylelint-disable-next-line scss/dollar-variable-default
+$utilities: map-get-multiple(
+  $utilities,
+  (
+    "display",
+    "order",
+    "flex",
+    "flex-direction",
+    "flex-grow",
+    "flex-shrink",
+    "flex-wrap",
+    "justify-content",
+    "align-items",
+    "align-content",
+    "align-self",
+    "margin",
+    "margin-x",
+    "margin-y",
+    "margin-top",
+    "margin-end",
+    "margin-bottom",
+    "margin-start",
+    "negative-margin",
+    "negative-margin-x",
+    "negative-margin-y",
+    "negative-margin-top",
+    "negative-margin-end",
+    "negative-margin-bottom",
+    "negative-margin-start",
+    "padding",
+    "padding-x",
+    "padding-y",
+    "padding-top",
+    "padding-end",
+    "padding-bottom",
+    "padding-start",
+  )
+);
+
+@import "utilities/api";
diff --git a/sass/vendor/bootstrap/scss/bootstrap-reboot.scss b/sass/vendor/bootstrap/scss/bootstrap-reboot.scss
index 978b086..72444f6 100755..100644
--- a/sass/vendor/bootstrap/scss/bootstrap-reboot.scss
+++ b/sass/vendor/bootstrap/scss/bootstrap-reboot.scss
@@ -1,10 +1,15 @@
-// Bootstrap Reboot only
-//
-// Includes only Normalize and our custom Reboot reset.
+/*!
+ * Bootstrap Reboot v5.0.2 (https://getbootstrap.com/)
+ * Copyright 2011-2021 The Bootstrap Authors
+ * Copyright 2011-2021 Twitter, Inc.
+ * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
+ * Forked from Normalize.css, licensed MIT (https://github.com/necolas/normalize.css/blob/master/LICENSE.md)
+ */
 
+@import "functions";
 @import "variables";
+// Prevent the usage of custom properties since we don't add them to `:root` in reboot
+$font-family-base: $font-family-sans-serif; // stylelint-disable-line scss/dollar-variable-default
+$font-family-code: $font-family-monospace; // stylelint-disable-line scss/dollar-variable-default
 @import "mixins";
-@import "custom";
-
-@import "normalize";
 @import "reboot";
diff --git a/sass/vendor/bootstrap/scss/bootstrap-utilities.scss b/sass/vendor/bootstrap/scss/bootstrap-utilities.scss
new file mode 100644
index 0000000..ab2d0e7
--- /dev/null
+++ b/sass/vendor/bootstrap/scss/bootstrap-utilities.scss
@@ -0,0 +1,18 @@
+/*!
+ * Bootstrap Utilities v5.0.2 (https://getbootstrap.com/)
+ * Copyright 2011-2021 The Bootstrap Authors
+ * Copyright 2011-2021 Twitter, Inc.
+ * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
+ */
+
+// Configuration
+@import "functions";
+@import "variables";
+@import "mixins";
+@import "utilities";
+
+// Helpers
+@import "helpers";
+
+// Utilities
+@import "utilities/api";
diff --git a/sass/vendor/bootstrap/scss/bootstrap.scss b/sass/vendor/bootstrap/scss/bootstrap.scss
index 88a60ca..eb047a3 100755..100644
--- a/sass/vendor/bootstrap/scss/bootstrap.scss
+++ b/sass/vendor/bootstrap/scss/bootstrap.scss
@@ -1,54 +1,52 @@
 /*!
- * Bootstrap v4.0.0-alpha.6 (https://getbootstrap.com)
- * Copyright 2011-2017 The Bootstrap Authors
- * Copyright 2011-2017 Twitter, Inc.
- * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
+ * Bootstrap v5.0.2 (https://getbootstrap.com/)
+ * Copyright 2011-2021 The Bootstrap Authors
+ * Copyright 2011-2021 Twitter, Inc.
+ * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
  */
 
-// Core variables and mixins
+// scss-docs-start import-stack
+// Configuration
+@import "functions";
 @import "variables";
 @import "mixins";
-@import "custom";
-
-// Reset and dependencies
-@import "normalize";
-@import "print";
+@import "utilities";
 
-// Core CSS
+// Layout & components
+@import "root";
 @import "reboot";
 @import "type";
 @import "images";
-@import "code";
+@import "containers";
 @import "grid";
 @import "tables";
 @import "forms";
 @import "buttons";
-
-// Components
 @import "transitions";
 @import "dropdown";
 @import "button-group";
-@import "input-group";
-@import "custom-forms";
 @import "nav";
 @import "navbar";
 @import "card";
+@import "accordion";
 @import "breadcrumb";
 @import "pagination";
 @import "badge";
-@import "jumbotron";
 @import "alert";
 @import "progress";
-@import "media";
 @import "list-group";
-@import "responsive-embed";
 @import "close";
-
-// Components w/ JavaScript
+@import "toasts";
 @import "modal";
 @import "tooltip";
 @import "popover";
 @import "carousel";
+@import "spinners";
+@import "offcanvas";
 
-// Utility classes
-@import "utilities";
+// Helpers
+@import "helpers";
+
+// Utilities
+@import "utilities/api";
+// scss-docs-end import-stack
diff --git a/sass/vendor/bootstrap/scss/forms/_floating-labels.scss b/sass/vendor/bootstrap/scss/forms/_floating-labels.scss
new file mode 100644
index 0000000..2f42954
--- /dev/null
+++ b/sass/vendor/bootstrap/scss/forms/_floating-labels.scss
@@ -0,0 +1,63 @@
+.form-floating {
+  position: relative;
+
+  > .form-control,
+  > .form-select {
+    height: $form-floating-height;
+    line-height: $form-floating-line-height;
+  }
+
+  > label {
+    position: absolute;
+    top: 0;
+    left: 0;
+    height: 100%; // allow textareas
+    padding: $form-floating-padding-y $form-floating-padding-x;
+    pointer-events: none;
+    border: $input-border-width solid transparent; // Required for aligning label's text with the input as it affects inner box model
+    transform-origin: 0 0;
+    @include transition($form-floating-transition);
+  }
+
+  // stylelint-disable no-duplicate-selectors
+  > .form-control {
+    padding: $form-floating-padding-y $form-floating-padding-x;
+
+    &::placeholder {
+      color: transparent;
+    }
+
+    &:focus,
+    &:not(:placeholder-shown) {
+      padding-top: $form-floating-input-padding-t;
+      padding-bottom: $form-floating-input-padding-b;
+    }
+    // Duplicated because `:-webkit-autofill` invalidates other selectors when grouped
+    &:-webkit-autofill {
+      padding-top: $form-floating-input-padding-t;
+      padding-bottom: $form-floating-input-padding-b;
+    }
+  }
+
+  > .form-select {
+    padding-top: $form-floating-input-padding-t;
+    padding-bottom: $form-floating-input-padding-b;
+  }
+
+  > .form-control:focus,
+  > .form-control:not(:placeholder-shown),
+  > .form-select {
+    ~ label {
+      opacity: $form-floating-label-opacity;
+      transform: $form-floating-label-transform;
+    }
+  }
+  // Duplicated because `:-webkit-autofill` invalidates other selectors when grouped
+  > .form-control:-webkit-autofill {
+    ~ label {
+      opacity: $form-floating-label-opacity;
+      transform: $form-floating-label-transform;
+    }
+  }
+  // stylelint-enable no-duplicate-selectors
+}
diff --git a/sass/vendor/bootstrap/scss/forms/_form-check.scss b/sass/vendor/bootstrap/scss/forms/_form-check.scss
new file mode 100644
index 0000000..6321b41
--- /dev/null
+++ b/sass/vendor/bootstrap/scss/forms/_form-check.scss
@@ -0,0 +1,152 @@
+//
+// Check/radio
+//
+
+.form-check {
+  display: block;
+  min-height: $form-check-min-height;
+  padding-left: $form-check-padding-start;
+  margin-bottom: $form-check-margin-bottom;
+
+  .form-check-input {
+    float: left;
+    margin-left: $form-check-padding-start * -1;
+  }
+}
+
+.form-check-input {
+  width: $form-check-input-width;
+  height: $form-check-input-width;
+  margin-top: ($line-height-base - $form-check-input-width) * .5; // line-height minus check height
+  vertical-align: top;
+  background-color: $form-check-input-bg;
+  background-repeat: no-repeat;
+  background-position: center;
+  background-size: contain;
+  border: $form-check-input-border;
+  appearance: none;
+  color-adjust: exact; // Keep themed appearance for print
+  @include transition($form-check-transition);
+
+  &[type="checkbox"] {
+    @include border-radius($form-check-input-border-radius);
+  }
+
+  &[type="radio"] {
+    // stylelint-disable-next-line property-disallowed-list
+    border-radius: $form-check-radio-border-radius;
+  }
+
+  &:active {
+    filter: $form-check-input-active-filter;
+  }
+
+  &:focus {
+    border-color: $form-check-input-focus-border;
+    outline: 0;
+    box-shadow: $form-check-input-focus-box-shadow;
+  }
+
+  &:checked {
+    background-color: $form-check-input-checked-bg-color;
+    border-color: $form-check-input-checked-border-color;
+
+    &[type="checkbox"] {
+      @if $enable-gradients {
+        background-image: escape-svg($form-check-input-checked-bg-image), var(--#{$variable-prefix}gradient);
+      } @else {
+        background-image: escape-svg($form-check-input-checked-bg-image);
+      }
+    }
+
+    &[type="radio"] {
+      @if $enable-gradients {
+        background-image: escape-svg($form-check-radio-checked-bg-image), var(--#{$variable-prefix}gradient);
+      } @else {
+        background-image: escape-svg($form-check-radio-checked-bg-image);
+      }
+    }
+  }
+
+  &[type="checkbox"]:indeterminate {
+    background-color: $form-check-input-indeterminate-bg-color;
+    border-color: $form-check-input-indeterminate-border-color;
+
+    @if $enable-gradients {
+      background-image: escape-svg($form-check-input-indeterminate-bg-image), var(--#{$variable-prefix}gradient);
+    } @else {
+      background-image: escape-svg($form-check-input-indeterminate-bg-image);
+    }
+  }
+
+  &:disabled {
+    pointer-events: none;
+    filter: none;
+    opacity: $form-check-input-disabled-opacity;
+  }
+
+  // Use disabled attribute in addition of :disabled pseudo-class
+  // See: https://github.com/twbs/bootstrap/issues/28247
+  &[disabled],
+  &:disabled {
+    ~ .form-check-label {
+      opacity: $form-check-label-disabled-opacity;
+    }
+  }
+}
+
+.form-check-label {
+  color: $form-check-label-color;
+  cursor: $form-check-label-cursor;
+}
+
+//
+// Switch
+//
+
+.form-switch {
+  padding-left: $form-switch-padding-start;
+
+  .form-check-input {
+    width: $form-switch-width;
+    margin-left: $form-switch-padding-start * -1;
+    background-image: escape-svg($form-switch-bg-image);
+    background-position: left center;
+    @include border-radius($form-switch-border-radius);
+    @include transition($form-switch-transition);
+
+    &:focus {
+      background-image: escape-svg($form-switch-focus-bg-image);
+    }
+
+    &:checked {
+      background-position: $form-switch-checked-bg-position;
+
+      @if $enable-gradients {
+        background-image: escape-svg($form-switch-checked-bg-image), var(--#{$variable-prefix}gradient);
+      } @else {
+        background-image: escape-svg($form-switch-checked-bg-image);
+      }
+    }
+  }
+}
+
+.form-check-inline {
+  display: inline-block;
+  margin-right: $form-check-inline-margin-end;
+}
+
+.btn-check {
+  position: absolute;
+  clip: rect(0, 0, 0, 0);
+  pointer-events: none;
+
+  &[disabled],
+  &:disabled {
+    + .btn {
+      pointer-events: none;
+      filter: none;
+      opacity: $form-check-btn-check-disabled-opacity;
+    }
+  }
+}
diff --git a/sass/vendor/bootstrap/scss/forms/_form-control.scss b/sass/vendor/bootstrap/scss/forms/_form-control.scss
new file mode 100644
index 0000000..9728b91
--- /dev/null
+++ b/sass/vendor/bootstrap/scss/forms/_form-control.scss
@@ -0,0 +1,219 @@
+//
+// General form controls (plus a few specific high-level interventions)
+//
+
+.form-control {
+  display: block;
+  width: 100%;
+  padding: $input-padding-y $input-padding-x;
+  font-family: $input-font-family;
+  @include font-size($input-font-size);
+  font-weight: $input-font-weight;
+  line-height: $input-line-height;
+  color: $input-color;
+  background-color: $input-bg;
+  background-clip: padding-box;
+  border: $input-border-width solid $input-border-color;
+  appearance: none; // Fix appearance for date inputs in Safari
+
+  // Note: This has no effect on <select>s in some browsers, due to the limited stylability of `<select>`s in CSS.
+  @include border-radius($input-border-radius, 0);
+
+  @include box-shadow($input-box-shadow);
+  @include transition($input-transition);
+
+  &[type="file"] {
+    overflow: hidden; // prevent pseudo element button overlap
+
+    &:not(:disabled):not([readonly]) {
+      cursor: pointer;
+    }
+  }
+
+  // Customize the `:focus` state to imitate native WebKit styles.
+  &:focus {
+    color: $input-focus-color;
+    background-color: $input-focus-bg;
+    border-color: $input-focus-border-color;
+    outline: 0;
+    @if $enable-shadows {
+      @include box-shadow($input-box-shadow, $input-focus-box-shadow);
+    } @else {
+      // Avoid using mixin so we can pass custom focus shadow properly
+      box-shadow: $input-focus-box-shadow;
+    }
+  }
+
+  // Add some height to date inputs on iOS
+  // https://github.com/twbs/bootstrap/issues/23307
+  // TODO: we can remove this workaround once https://bugs.webkit.org/show_bug.cgi?id=198959 is resolved
+  &::-webkit-date-and-time-value {
+    // Multiply line-height by 1em if it has no unit
+    height: if(unit($input-line-height) == "", $input-line-height * 1em, $input-line-height);
+  }
+
+  // Placeholder
+  &::placeholder {
+    color: $input-placeholder-color;
+    // Override Firefox's unusual default opacity; see https://github.com/twbs/bootstrap/pull/11526.
+    opacity: 1;
+  }
+
+  // Disabled and read-only inputs
+  //
+  // HTML5 says that controls under a fieldset > legend:first-child won't be
+  // disabled if the fieldset is disabled. Due to implementation difficulty, we
+  // don't honor that edge case; we style them as disabled anyway.
+  &:disabled,
+  &[readonly] {
+    background-color: $input-disabled-bg;
+    border-color: $input-disabled-border-color;
+    // iOS fix for unreadable disabled content; see https://github.com/twbs/bootstrap/issues/11655.
+    opacity: 1;
+  }
+
+  // File input buttons theming
+  &::file-selector-button {
+    padding: $input-padding-y $input-padding-x;
+    margin: (-$input-padding-y) (-$input-padding-x);
+    margin-inline-end: $input-padding-x;
+    color: $form-file-button-color;
+    @include gradient-bg($form-file-button-bg);
+    pointer-events: none;
+    border-color: inherit;
+    border-style: solid;
+    border-width: 0;
+    border-inline-end-width: $input-border-width;
+    border-radius: 0; // stylelint-disable-line property-disallowed-list
+    @include transition($btn-transition);
+  }
+
+  &:hover:not(:disabled):not([readonly])::file-selector-button {
+    background-color: $form-file-button-hover-bg;
+  }
+
+  &::-webkit-file-upload-button {
+    padding: $input-padding-y $input-padding-x;
+    margin: (-$input-padding-y) (-$input-padding-x);
+    margin-inline-end: $input-padding-x;
+    color: $form-file-button-color;
+    @include gradient-bg($form-file-button-bg);
+    pointer-events: none;
+    border-color: inherit;
+    border-style: solid;
+    border-width: 0;
+    border-inline-end-width: $input-border-width;
+    border-radius: 0; // stylelint-disable-line property-disallowed-list
+    @include transition($btn-transition);
+  }
+
+  &:hover:not(:disabled):not([readonly])::-webkit-file-upload-button {
+    background-color: $form-file-button-hover-bg;
+  }
+}
+
+// Readonly controls as plain text
+//
+// Apply class to a readonly input to make it appear like regular plain
+// text (without any border, background color, focus indicator)
+
+.form-control-plaintext {
+  display: block;
+  width: 100%;
+  padding: $input-padding-y 0;
+  margin-bottom: 0; // match inputs if this class comes on inputs with default margins
+  line-height: $input-line-height;
+  color: $input-plaintext-color;
+  background-color: transparent;
+  border: solid transparent;
+  border-width: $input-border-width 0;
+
+  &.form-control-sm,
+  &.form-control-lg {
+    padding-right: 0;
+    padding-left: 0;
+  }
+}
+
+// Form control sizing
+//
+// Build on `.form-control` with modifier classes to decrease or increase the
+// height and font-size of form controls.
+//
+// Repeated in `_input_group.scss` to avoid Sass extend issues.
+
+.form-control-sm {
+  min-height: $input-height-sm;
+  padding: $input-padding-y-sm $input-padding-x-sm;
+  @include font-size($input-font-size-sm);
+  @include border-radius($input-border-radius-sm);
+
+  &::file-selector-button {
+    padding: $input-padding-y-sm $input-padding-x-sm;
+    margin: (-$input-padding-y-sm) (-$input-padding-x-sm);
+    margin-inline-end: $input-padding-x-sm;
+  }
+
+  &::-webkit-file-upload-button {
+    padding: $input-padding-y-sm $input-padding-x-sm;
+    margin: (-$input-padding-y-sm) (-$input-padding-x-sm);
+    margin-inline-end: $input-padding-x-sm;
+  }
+}
+
+.form-control-lg {
+  min-height: $input-height-lg;
+  padding: $input-padding-y-lg $input-padding-x-lg;
+  @include font-size($input-font-size-lg);
+  @include border-radius($input-border-radius-lg);
+
+  &::file-selector-button {
+    padding: $input-padding-y-lg $input-padding-x-lg;
+    margin: (-$input-padding-y-lg) (-$input-padding-x-lg);
+    margin-inline-end: $input-padding-x-lg;
+  }
+
+  &::-webkit-file-upload-button {
+    padding: $input-padding-y-lg $input-padding-x-lg;
+    margin: (-$input-padding-y-lg) (-$input-padding-x-lg);
+    margin-inline-end: $input-padding-x-lg;
+  }
+}
+
+// Make sure textareas don't shrink too much when resized
+// https://github.com/twbs/bootstrap/pull/29124
+// stylelint-disable selector-no-qualifying-type
+textarea {
+  &.form-control {
+    min-height: $input-height;
+  }
+
+  &.form-control-sm {
+    min-height: $input-height-sm;
+  }
+
+  &.form-control-lg {
+    min-height: $input-height-lg;
+  }
+}
+// stylelint-enable selector-no-qualifying-type
+
+.form-control-color {
+  max-width: 3rem;
+  height: auto; // Override fixed browser height
+  padding: $input-padding-y;
+
+  &:not(:disabled):not([readonly]) {
+    cursor: pointer;
+  }
+
+  &::-moz-color-swatch {
+    height: if(unit($input-line-height) == "", $input-line-height * 1em, $input-line-height);
+    @include border-radius($input-border-radius);
+  }
+
+  &::-webkit-color-swatch {
+    height: if(unit($input-line-height) == "", $input-line-height * 1em, $input-line-height);
+    @include border-radius($input-border-radius);
+  }
+}
diff --git a/sass/vendor/bootstrap/scss/forms/_form-range.scss b/sass/vendor/bootstrap/scss/forms/_form-range.scss
new file mode 100644
index 0000000..6de4213
--- /dev/null
+++ b/sass/vendor/bootstrap/scss/forms/_form-range.scss
@@ -0,0 +1,91 @@
+// Range
+//
+// Style range inputs the same across browsers. Vendor-specific rules for pseudo
+// elements cannot be mixed. As such, there are no shared styles for focus or
+// active states on prefixed selectors.
+
+.form-range {
+  width: 100%;
+  height: add($form-range-thumb-height, $form-range-thumb-focus-box-shadow-width * 2);
+  padding: 0; // Need to reset padding
+  background-color: transparent;
+  appearance: none;
+
+  &:focus {
+    outline: 0;
+
+    // Pseudo-elements must be split across multiple rulesets to have an effect.
+    // No box-shadow() mixin for focus accessibility.
+    &::-webkit-slider-thumb { box-shadow: $form-range-thumb-focus-box-shadow; }
+    &::-moz-range-thumb     { box-shadow: $form-range-thumb-focus-box-shadow; }
+  }
+
+  &::-moz-focus-outer {
+    border: 0;
+  }
+
+  &::-webkit-slider-thumb {
+    width: $form-range-thumb-width;
+    height: $form-range-thumb-height;
+    margin-top: ($form-range-track-height - $form-range-thumb-height) * .5; // Webkit specific
+    @include gradient-bg($form-range-thumb-bg);
+    border: $form-range-thumb-border;
+    @include border-radius($form-range-thumb-border-radius);
+    @include box-shadow($form-range-thumb-box-shadow);
+    @include transition($form-range-thumb-transition);
+    appearance: none;
+
+    &:active {
+      @include gradient-bg($form-range-thumb-active-bg);
+    }
+  }
+
+  &::-webkit-slider-runnable-track {
+    width: $form-range-track-width;
+    height: $form-range-track-height;
+    color: transparent; // Why?
+    cursor: $form-range-track-cursor;
+    background-color: $form-range-track-bg;
+    border-color: transparent;
+    @include border-radius($form-range-track-border-radius);
+    @include box-shadow($form-range-track-box-shadow);
+  }
+
+  &::-moz-range-thumb {
+    width: $form-range-thumb-width;
+    height: $form-range-thumb-height;
+    @include gradient-bg($form-range-thumb-bg);
+    border: $form-range-thumb-border;
+    @include border-radius($form-range-thumb-border-radius);
+    @include box-shadow($form-range-thumb-box-shadow);
+    @include transition($form-range-thumb-transition);
+    appearance: none;
+
+    &:active {
+      @include gradient-bg($form-range-thumb-active-bg);
+    }
+  }
+
+  &::-moz-range-track {
+    width: $form-range-track-width;
+    height: $form-range-track-height;
+    color: transparent;
+    cursor: $form-range-track-cursor;
+    background-color: $form-range-track-bg;
+    border-color: transparent; // Firefox specific?
+    @include border-radius($form-range-track-border-radius);
+    @include box-shadow($form-range-track-box-shadow);
+  }
+
+  &:disabled {
+    pointer-events: none;
+
+    &::-webkit-slider-thumb {
+      background-color: $form-range-thumb-disabled-bg;
+    }
+
+    &::-moz-range-thumb {
+      background-color: $form-range-thumb-disabled-bg;
+    }
+  }
+}
diff --git a/sass/vendor/bootstrap/scss/forms/_form-select.scss b/sass/vendor/bootstrap/scss/forms/_form-select.scss
new file mode 100644
index 0000000..4506a97
--- /dev/null
+++ b/sass/vendor/bootstrap/scss/forms/_form-select.scss
@@ -0,0 +1,70 @@
+// Select
+//
+// Replaces the browser default select with a custom one, mostly pulled from
+// https://primer.github.io/.
+
+.form-select {
+  display: block;
+  width: 100%;
+  padding: $form-select-padding-y $form-select-indicator-padding $form-select-padding-y $form-select-padding-x;
+  // stylelint-disable-next-line property-no-vendor-prefix
+  -moz-padding-start: subtract($form-select-padding-x, 3px); // See https://github.com/twbs/bootstrap/issues/32636
+  font-family: $form-select-font-family;
+  @include font-size($form-select-font-size);
+  font-weight: $form-select-font-weight;
+  line-height: $form-select-line-height;
+  color: $form-select-color;
+  background-color: $form-select-bg;
+  background-image: escape-svg($form-select-indicator);
+  background-repeat: no-repeat;
+  background-position: $form-select-bg-position;
+  background-size: $form-select-bg-size;
+  border: $form-select-border-width solid $form-select-border-color;
+  @include border-radius($form-select-border-radius, 0);
+  @include box-shadow($form-select-box-shadow);
+  @include transition($form-select-transition);
+  appearance: none;
+
+  &:focus {
+    border-color: $form-select-focus-border-color;
+    outline: 0;
+    @if $enable-shadows {
+      @include box-shadow($form-select-box-shadow, $form-select-focus-box-shadow);
+    } @else {
+      // Avoid using mixin so we can pass custom focus shadow properly
+      box-shadow: $form-select-focus-box-shadow;
+    }
+  }
+
+  &[multiple],
+  &[size]:not([size="1"]) {
+    padding-right: $form-select-padding-x;
+    background-image: none;
+  }
+
+  &:disabled {
+    color: $form-select-disabled-color;
+    background-color: $form-select-disabled-bg;
+    border-color: $form-select-disabled-border-color;
+  }
+
+  // Remove outline from select box in FF
+  &:-moz-focusring {
+    color: transparent;
+    text-shadow: 0 0 0 $form-select-color;
+  }
+}
+
+.form-select-sm {
+  padding-top: $form-select-padding-y-sm;
+  padding-bottom: $form-select-padding-y-sm;
+  padding-left: $form-select-padding-x-sm;
+  @include font-size($form-select-font-size-sm);
+}
+
+.form-select-lg {
+  padding-top: $form-select-padding-y-lg;
+  padding-bottom: $form-select-padding-y-lg;
+  padding-left: $form-select-padding-x-lg;
+  @include font-size($form-select-font-size-lg);
+}
diff --git a/sass/vendor/bootstrap/scss/forms/_form-text.scss b/sass/vendor/bootstrap/scss/forms/_form-text.scss
new file mode 100644
index 0000000..f080d1a
--- /dev/null
+++ b/sass/vendor/bootstrap/scss/forms/_form-text.scss
@@ -0,0 +1,11 @@
+//
+// Form text
+//
+
+.form-text {
+  margin-top: $form-text-margin-top;
+  @include font-size($form-text-font-size);
+  font-style: $form-text-font-style;
+  font-weight: $form-text-font-weight;
+  color: $form-text-color;
+}
diff --git a/sass/vendor/bootstrap/scss/forms/_input-group.scss b/sass/vendor/bootstrap/scss/forms/_input-group.scss
new file mode 100644
index 0000000..1400529
--- /dev/null
+++ b/sass/vendor/bootstrap/scss/forms/_input-group.scss
@@ -0,0 +1,121 @@
+//
+// Base styles
+//
+
+.input-group {
+  position: relative;
+  display: flex;
+  flex-wrap: wrap; // For form validation feedback
+  align-items: stretch;
+  width: 100%;
+
+  > .form-control,
+  > .form-select {
+    position: relative; // For focus state's z-index
+    flex: 1 1 auto;
+    width: 1%;
+    min-width: 0; // https://stackoverflow.com/questions/36247140/why-dont-flex-items-shrink-past-content-size
+  }
+
+  // Bring the "active" form control to the top of surrounding elements
+  > .form-control:focus,
+  > .form-select:focus {
+    z-index: 3;
+  }
+
+  // Ensure buttons are always above inputs for more visually pleasing borders.
+  // This isn't needed for `.input-group-text` since it shares the same border-color
+  // as our inputs.
+  .btn {
+    position: relative;
+    z-index: 2;
+
+    &:focus {
+      z-index: 3;
+    }
+  }
+}
+
+
+// Textual addons
+//
+// Serves as a catch-all element for any text or radio/checkbox input you wish
+// to prepend or append to an input.
+
+.input-group-text {
+  display: flex;
+  align-items: center;
+  padding: $input-group-addon-padding-y $input-group-addon-padding-x;
+  @include font-size($input-font-size); // Match inputs
+  font-weight: $input-group-addon-font-weight;
+  line-height: $input-line-height;
+  color: $input-group-addon-color;
+  text-align: center;
+  white-space: nowrap;
+  background-color: $input-group-addon-bg;
+  border: $input-border-width solid $input-group-addon-border-color;
+  @include border-radius($input-border-radius);
+}
+
+
+// Sizing
+//
+// Remix the default form control sizing classes into new ones for easier
+// manipulation.
+
+.input-group-lg > .form-control,
+.input-group-lg > .form-select,
+.input-group-lg > .input-group-text,
+.input-group-lg > .btn {
+  padding: $input-padding-y-lg $input-padding-x-lg;
+  @include font-size($input-font-size-lg);
+  @include border-radius($input-border-radius-lg);
+}
+
+.input-group-sm > .form-control,
+.input-group-sm > .form-select,
+.input-group-sm > .input-group-text,
+.input-group-sm > .btn {
+  padding: $input-padding-y-sm $input-padding-x-sm;
+  @include font-size($input-font-size-sm);
+  @include border-radius($input-border-radius-sm);
+}
+
+.input-group-lg > .form-select,
+.input-group-sm > .form-select {
+  padding-right: $form-select-padding-x + $form-select-indicator-padding;
+}
+
+
+// Rounded corners
+//
+// These rulesets must come after the sizing ones to properly override sm and lg
+// border-radius values when extending. They're more specific than we'd like
+// with the `.input-group >` part, but without it, we cannot override the sizing.
+
+// stylelint-disable-next-line no-duplicate-selectors
+.input-group {
+  &:not(.has-validation) {
+    > :not(:last-child):not(.dropdown-toggle):not(.dropdown-menu),
+    > .dropdown-toggle:nth-last-child(n + 3) {
+      @include border-end-radius(0);
+    }
+  }
+
+  &.has-validation {
+    > :nth-last-child(n + 3):not(.dropdown-toggle):not(.dropdown-menu),
+    > .dropdown-toggle:nth-last-child(n + 4) {
+      @include border-end-radius(0);
+    }
+  }
+
+  $validation-messages: "";
+  @each $state in map-keys($form-validation-states) {
+    $validation-messages: $validation-messages + ":not(." + unquote($state) + "-tooltip)" + ":not(." + unquote($state) + "-feedback)";
+  }
+
+  > :not(:first-child):not(.dropdown-menu)#{$validation-messages} {
+    margin-left: -$input-border-width;
+    @include border-start-radius(0);
+  }
+}
diff --git a/sass/vendor/bootstrap/scss/forms/_labels.scss b/sass/vendor/bootstrap/scss/forms/_labels.scss
new file mode 100644
index 0000000..39ecafc
--- /dev/null
+++ b/sass/vendor/bootstrap/scss/forms/_labels.scss
@@ -0,0 +1,36 @@
+//
+// Labels
+//
+
+.form-label {
+  margin-bottom: $form-label-margin-bottom;
+  @include font-size($form-label-font-size);
+  font-style: $form-label-font-style;
+  font-weight: $form-label-font-weight;
+  color: $form-label-color;
+}
+
+// For use with horizontal and inline forms, when you need the label (or legend)
+// text to align with the form controls.
+.col-form-label {
+  padding-top: add($input-padding-y, $input-border-width);
+  padding-bottom: add($input-padding-y, $input-border-width);
+  margin-bottom: 0; // Override the `<legend>` default
+  @include font-size(inherit); // Override the `<legend>` default
+  font-style: $form-label-font-style;
+  font-weight: $form-label-font-weight;
+  line-height: $input-line-height;
+  color: $form-label-color;
+}
+
+.col-form-label-lg {
+  padding-top: add($input-padding-y-lg, $input-border-width);
+  padding-bottom: add($input-padding-y-lg, $input-border-width);
+  @include font-size($input-font-size-lg);
+}
+
+.col-form-label-sm {
+  padding-top: add($input-padding-y-sm, $input-border-width);
+  padding-bottom: add($input-padding-y-sm, $input-border-width);
+  @include font-size($input-font-size-sm);
+}
diff --git a/sass/vendor/bootstrap/scss/forms/_validation.scss b/sass/vendor/bootstrap/scss/forms/_validation.scss
new file mode 100644
index 0000000..c48123a
--- /dev/null
+++ b/sass/vendor/bootstrap/scss/forms/_validation.scss
@@ -0,0 +1,12 @@
+// Form validation
+//
+// Provide feedback to users when form field values are valid or invalid. Works
+// primarily for client-side validation via scoped `:invalid` and `:valid`
+// pseudo-classes but also includes `.is-invalid` and `.is-valid` classes for
+// server-side validation.
+
+// scss-docs-start form-validation-states-loop
+@each $state, $data in $form-validation-states {
+  @include form-validation-state($state, $data...);
+}
+// scss-docs-end form-validation-states-loop
diff --git a/sass/vendor/bootstrap/scss/utilities/_clearfix.scss b/sass/vendor/bootstrap/scss/helpers/_clearfix.scss
index e92522a..e92522a 100755..100644
--- a/sass/vendor/bootstrap/scss/utilities/_clearfix.scss
+++ b/sass/vendor/bootstrap/scss/helpers/_clearfix.scss
diff --git a/sass/vendor/bootstrap/scss/helpers/_colored-links.scss b/sass/vendor/bootstrap/scss/helpers/_colored-links.scss
new file mode 100644
index 0000000..8c167de
--- /dev/null
+++ b/sass/vendor/bootstrap/scss/helpers/_colored-links.scss
@@ -0,0 +1,12 @@
+@each $color, $value in $theme-colors {
+  .link-#{$color} {
+    color: $value;
+
+    @if $link-shade-percentage != 0 {
+      &:hover,
+      &:focus {
+        color: if(color-contrast($value) == $color-contrast-light, shade-color($value, $link-shade-percentage), tint-color($value, $link-shade-percentage));
+      }
+    }
+  }
+}
diff --git a/sass/vendor/bootstrap/scss/helpers/_position.scss b/sass/vendor/bootstrap/scss/helpers/_position.scss
new file mode 100644
index 0000000..31851eb
--- /dev/null
+++ b/sass/vendor/bootstrap/scss/helpers/_position.scss
@@ -0,0 +1,30 @@
+// Shorthand
+
+.fixed-top {
+  position: fixed;
+  top: 0;
+  right: 0;
+  left: 0;
+  z-index: $zindex-fixed;
+}
+
+.fixed-bottom {
+  position: fixed;
+  right: 0;
+  bottom: 0;
+  left: 0;
+  z-index: $zindex-fixed;
+}
+
+// Responsive sticky top
+@each $breakpoint in map-keys($grid-breakpoints) {
+  @include media-breakpoint-up($breakpoint) {
+    $infix: breakpoint-infix($breakpoint, $grid-breakpoints);
+
+    .sticky#{$infix}-top {
+      position: sticky;
+      top: 0;
+      z-index: $zindex-sticky;
+    }
+  }
+}
diff --git a/sass/vendor/bootstrap/scss/helpers/_ratio.scss b/sass/vendor/bootstrap/scss/helpers/_ratio.scss
new file mode 100644
index 0000000..2390ee3
--- /dev/null
+++ b/sass/vendor/bootstrap/scss/helpers/_ratio.scss
@@ -0,0 +1,26 @@
+// Credit: Nicolas Gallagher and SUIT CSS.
+
+.ratio {
+  position: relative;
+  width: 100%;
+
+  &::before {
+    display: block;
+    padding-top: var(--#{$variable-prefix}aspect-ratio);
+    content: "";
+  }
+
+  > * {
+    position: absolute;
+    top: 0;
+    left: 0;
+    width: 100%;
+    height: 100%;
+  }
+}
+
+@each $key, $ratio in $aspect-ratios {
+  .ratio-#{$key} {
+    --#{$variable-prefix}aspect-ratio: #{$ratio};
+  }
+}
diff --git a/sass/vendor/bootstrap/scss/helpers/_stretched-link.scss b/sass/vendor/bootstrap/scss/helpers/_stretched-link.scss
new file mode 100644
index 0000000..71a1c75
--- /dev/null
+++ b/sass/vendor/bootstrap/scss/helpers/_stretched-link.scss
@@ -0,0 +1,15 @@
+//
+// Stretched link
+//
+
+.stretched-link {
+  &::#{$stretched-link-pseudo-element} {
+    position: absolute;
+    top: 0;
+    right: 0;
+    bottom: 0;
+    left: 0;
+    z-index: $stretched-link-z-index;
+    content: "";
+  }
+}
diff --git a/sass/vendor/bootstrap/scss/helpers/_text-truncation.scss b/sass/vendor/bootstrap/scss/helpers/_text-truncation.scss
new file mode 100644
index 0000000..6421dac
--- /dev/null
+++ b/sass/vendor/bootstrap/scss/helpers/_text-truncation.scss
@@ -0,0 +1,7 @@
+//
+// Text truncation
+//
+
+.text-truncate {
+  @include text-truncate();
+}
diff --git a/sass/vendor/bootstrap/scss/helpers/_visually-hidden.scss b/sass/vendor/bootstrap/scss/helpers/_visually-hidden.scss
new file mode 100644
index 0000000..4760ff0
--- /dev/null
+++ b/sass/vendor/bootstrap/scss/helpers/_visually-hidden.scss
@@ -0,0 +1,8 @@
+//
+// Visually hidden
+//
+
+.visually-hidden,
+.visually-hidden-focusable:not(:focus):not(:focus-within) {
+  @include visually-hidden();
+}
diff --git a/sass/vendor/bootstrap/scss/mixins/_alert.scss b/sass/vendor/bootstrap/scss/mixins/_alert.scss
index 6ed3a81..f3eb595 100755..100644
--- a/sass/vendor/bootstrap/scss/mixins/_alert.scss
+++ b/sass/vendor/bootstrap/scss/mixins/_alert.scss
@@ -1,14 +1,11 @@
-// Alerts
-
-@mixin alert-variant($background, $border, $body-color) {
-  background-color: $background;
+// scss-docs-start alert-variant-mixin
+@mixin alert-variant($background, $border, $color) {
+  color: $color;
+  @include gradient-bg($background);
   border-color: $border;
-  color: $body-color;
 
-  hr {
-    border-top-color: darken($border, 5%);
-  }
   .alert-link {
-    color: darken($body-color, 10%);
+    color: shade-color($color, 20%);
   }
 }
+// scss-docs-end alert-variant-mixin
diff --git a/sass/vendor/bootstrap/scss/mixins/_background-variant.scss b/sass/vendor/bootstrap/scss/mixins/_background-variant.scss
deleted file mode 100755
index 54a734d..0000000
--- a/sass/vendor/bootstrap/scss/mixins/_background-variant.scss
+++ /dev/null
@@ -1,12 +0,0 @@
-// Contextual backgrounds
-
-@mixin bg-variant($parent, $color) {
-  #{$parent} {
-    background-color: $color !important;
-  }
-  a#{$parent} {
-    @include hover-focus {
-      background-color: darken($color, 10%) !important;
-    }
-  }
-}
diff --git a/sass/vendor/bootstrap/scss/mixins/_badge.scss b/sass/vendor/bootstrap/scss/mixins/_badge.scss
deleted file mode 100755
index 9fa44b6..0000000
--- a/sass/vendor/bootstrap/scss/mixins/_badge.scss
+++ /dev/null
@@ -1,11 +0,0 @@
-// Badges
-
-@mixin badge-variant($color) {
-  background-color: $color;
-
-  &[href] {
-    @include hover-focus {
-      background-color: darken($color, 10%);
-    }
-  }
-}
diff --git a/sass/vendor/bootstrap/scss/mixins/_border-radius.scss b/sass/vendor/bootstrap/scss/mixins/_border-radius.scss
index 54f29f4..616decb 100755..100644
--- a/sass/vendor/bootstrap/scss/mixins/_border-radius.scss
+++ b/sass/vendor/bootstrap/scss/mixins/_border-radius.scss
@@ -1,35 +1,78 @@
+// stylelint-disable property-disallowed-list
 // Single side border-radius
 
-@mixin border-radius($radius: $border-radius) {
+// Helper function to replace negative values with 0
+@function valid-radius($radius) {
+  $return: ();
+  @each $value in $radius {
+    @if type-of($value) == number {
+      $return: append($return, max($value, 0));
+    } @else {
+      $return: append($return, $value);
+    }
+  }
+  @return $return;
+}
+
+// scss-docs-start border-radius-mixins
+@mixin border-radius($radius: $border-radius, $fallback-border-radius: false) {
+  @if $enable-rounded {
+    border-radius: valid-radius($radius);
+  }
+  @else if $fallback-border-radius != false {
+    border-radius: $fallback-border-radius;
+  }
+}
+
+@mixin border-top-radius($radius: $border-radius) {
+  @if $enable-rounded {
+    border-top-left-radius: valid-radius($radius);
+    border-top-right-radius: valid-radius($radius);
+  }
+}
+
+@mixin border-end-radius($radius: $border-radius) {
+  @if $enable-rounded {
+    border-top-right-radius: valid-radius($radius);
+    border-bottom-right-radius: valid-radius($radius);
+  }
+}
+
+@mixin border-bottom-radius($radius: $border-radius) {
+  @if $enable-rounded {
+    border-bottom-right-radius: valid-radius($radius);
+    border-bottom-left-radius: valid-radius($radius);
+  }
+}
+
+@mixin border-start-radius($radius: $border-radius) {
   @if $enable-rounded {
-    border-radius: $radius;
+    border-top-left-radius: valid-radius($radius);
+    border-bottom-left-radius: valid-radius($radius);
   }
 }
 
-@mixin border-top-radius($radius) {
+@mixin border-top-start-radius($radius: $border-radius) {
   @if $enable-rounded {
-    border-top-right-radius: $radius;
-    border-top-left-radius: $radius;
+    border-top-left-radius: valid-radius($radius);
   }
 }
 
-@mixin border-right-radius($radius) {
+@mixin border-top-end-radius($radius: $border-radius) {
   @if $enable-rounded {
-    border-bottom-right-radius: $radius;
-    border-top-right-radius: $radius;
+    border-top-right-radius: valid-radius($radius);
   }
 }
 
-@mixin border-bottom-radius($radius) {
+@mixin border-bottom-end-radius($radius: $border-radius) {
   @if $enable-rounded {
-    border-bottom-right-radius: $radius;
-    border-bottom-left-radius: $radius;
+    border-bottom-right-radius: valid-radius($radius);
   }
 }
 
-@mixin border-left-radius($radius) {
+@mixin border-bottom-start-radius($radius: $border-radius) {
   @if $enable-rounded {
-    border-bottom-left-radius: $radius;
-    border-top-left-radius: $radius;
+    border-bottom-left-radius: valid-radius($radius);
   }
 }
+// scss-docs-end border-radius-mixins
diff --git a/sass/vendor/bootstrap/scss/mixins/_box-shadow.scss b/sass/vendor/bootstrap/scss/mixins/_box-shadow.scss
new file mode 100644
index 0000000..4172541
--- /dev/null
+++ b/sass/vendor/bootstrap/scss/mixins/_box-shadow.scss
@@ -0,0 +1,18 @@
+@mixin box-shadow($shadow...) {
+  @if $enable-shadows {
+    $result: ();
+
+    @each $value in $shadow {
+      @if $value != null {
+        $result: append($result, $value, "comma");
+      }
+      @if $value == none and length($shadow) > 1 {
+        @warn "The keyword 'none' must be used as a single argument.";
+      }
+    }
+
+    @if (length($result) > 0) {
+      box-shadow: $result;
+    }
+  }
+}
diff --git a/sass/vendor/bootstrap/scss/mixins/_breakpoints.scss b/sass/vendor/bootstrap/scss/mixins/_breakpoints.scss
index 6fd2e8e..cdc8034 100755..100644
--- a/sass/vendor/bootstrap/scss/mixins/_breakpoints.scss
+++ b/sass/vendor/bootstrap/scss/mixins/_breakpoints.scss
@@ -2,7 +2,7 @@
 //
 // Breakpoints are defined as a map of (name: minimum width), order from small to large:
 //
-//    (xs: 0, sm: 576px, md: 768px)
+//    (xs: 0, sm: 576px, md: 768px, lg: 992px, xl: 1200px)
 //
 // The map defined in the `$grid-breakpoints` global variable is used as the `$breakpoints` argument by default.
 
@@ -10,40 +10,47 @@
 //
 //    >> breakpoint-next(sm)
 //    md
-//    >> breakpoint-next(sm, (xs: 0, sm: 576px, md: 768px))
+//    >> breakpoint-next(sm, (xs: 0, sm: 576px, md: 768px, lg: 992px, xl: 1200px))
 //    md
-//    >> breakpoint-next(sm, $breakpoint-names: (xs sm md))
+//    >> breakpoint-next(sm, $breakpoint-names: (xs sm md lg xl))
 //    md
 @function breakpoint-next($name, $breakpoints: $grid-breakpoints, $breakpoint-names: map-keys($breakpoints)) {
   $n: index($breakpoint-names, $name);
+  @if not $n {
+    @error "breakpoint `#{$name}` not found in `#{$breakpoints}`";
+  }
   @return if($n < length($breakpoint-names), nth($breakpoint-names, $n + 1), null);
 }
 
 // Minimum breakpoint width. Null for the smallest (first) breakpoint.
 //
-//    >> breakpoint-min(sm, (xs: 0, sm: 576px, md: 768px))
+//    >> breakpoint-min(sm, (xs: 0, sm: 576px, md: 768px, lg: 992px, xl: 1200px))
 //    576px
 @function breakpoint-min($name, $breakpoints: $grid-breakpoints) {
   $min: map-get($breakpoints, $name);
   @return if($min != 0, $min, null);
 }
 
-// Maximum breakpoint width. Null for the largest (last) breakpoint.
-// The maximum value is calculated as the minimum of the next one less 0.1.
+// Maximum breakpoint width.
+// The maximum value is reduced by 0.02px to work around the limitations of
+// `min-` and `max-` prefixes and viewports with fractional widths.
+// See https://www.w3.org/TR/mediaqueries-4/#mq-min-max
+// Uses 0.02px rather than 0.01px to work around a current rounding bug in Safari.
+// See https://bugs.webkit.org/show_bug.cgi?id=178261
 //
-//    >> breakpoint-max(sm, (xs: 0, sm: 576px, md: 768px))
-//    767px
+//    >> breakpoint-max(md, (xs: 0, sm: 576px, md: 768px, lg: 992px, xl: 1200px))
+//    767.98px
 @function breakpoint-max($name, $breakpoints: $grid-breakpoints) {
-  $next: breakpoint-next($name, $breakpoints);
-  @return if($next, breakpoint-min($next, $breakpoints) - 1px, null);
+  $max: map-get($breakpoints, $name);
+  @return if($max and $max > 0, $max - .02, null);
 }
 
-// Returns a blank string if smallest breakpoint, otherwise returns the name with a dash infront.
+// Returns a blank string if smallest breakpoint, otherwise returns the name with a dash in front.
 // Useful for making responsive utilities.
 //
-//    >> breakpoint-infix(xs, (xs: 0, sm: 576px, md: 768px))
+//    >> breakpoint-infix(xs, (xs: 0, sm: 576px, md: 768px, lg: 992px, xl: 1200px))
 //    ""  (Returns a blank string)
-//    >> breakpoint-infix(sm, (xs: 0, sm: 576px, md: 768px))
+//    >> breakpoint-infix(sm, (xs: 0, sm: 576px, md: 768px, lg: 992px, xl: 1200px))
 //    "-sm"
 @function breakpoint-infix($name, $breakpoints: $grid-breakpoints) {
   @return if(breakpoint-min($name, $breakpoints) == null, "", "-#{$name}");
@@ -78,7 +85,18 @@
 // Media that spans multiple breakpoint widths.
 // Makes the @content apply between the min and max breakpoints
 @mixin media-breakpoint-between($lower, $upper, $breakpoints: $grid-breakpoints) {
-  @include media-breakpoint-up($lower, $breakpoints) {
+  $min: breakpoint-min($lower, $breakpoints);
+  $max: breakpoint-max($upper, $breakpoints);
+
+  @if $min != null and $max != null {
+    @media (min-width: $min) and (max-width: $max) {
+      @content;
+    }
+  } @else if $max == null {
+    @include media-breakpoint-up($lower, $breakpoints) {
+      @content;
+    }
+  } @else if $min == null {
     @include media-breakpoint-down($upper, $breakpoints) {
       @content;
     }
@@ -89,7 +107,21 @@
 // No minimum for the smallest breakpoint, and no maximum for the largest one.
 // Makes the @content apply only to the given breakpoint, not viewports any wider or narrower.
 @mixin media-breakpoint-only($name, $breakpoints: $grid-breakpoints) {
-  @include media-breakpoint-between($name, $name, $breakpoints) {
-    @content;
+  $min:  breakpoint-min($name, $breakpoints);
+  $next: breakpoint-next($name, $breakpoints);
+  $max:  breakpoint-max($next);
+
+  @if $min != null and $max != null {
+    @media (min-width: $min) and (max-width: $max) {
+      @content;
+    }
+  } @else if $max == null {
+    @include media-breakpoint-up($name, $breakpoints) {
+      @content;
+    }
+  } @else if $min == null {
+    @include media-breakpoint-down($next, $breakpoints) {
+      @content;
+    }
   }
 }
diff --git a/sass/vendor/bootstrap/scss/mixins/_buttons.scss b/sass/vendor/bootstrap/scss/mixins/_buttons.scss
index f9981e3..b674996 100755..100644
--- a/sass/vendor/bootstrap/scss/mixins/_buttons.scss
+++ b/sass/vendor/bootstrap/scss/mixins/_buttons.scss
@@ -3,84 +3,131 @@
 // Easily pump out default styles, as well as :hover, :focus, :active,
 // and disabled options for all buttons
 
-@mixin button-variant($color, $background, $border) {
-  $active-background: darken($background, 10%);
-  $active-border: darken($border, 12%);
-
+// scss-docs-start btn-variant-mixin
+@mixin button-variant(
+  $background,
+  $border,
+  $color: color-contrast($background),
+  $hover-background: if($color == $color-contrast-light, shade-color($background, $btn-hover-bg-shade-amount), tint-color($background, $btn-hover-bg-tint-amount)),
+  $hover-border: if($color == $color-contrast-light, shade-color($border, $btn-hover-border-shade-amount), tint-color($border, $btn-hover-border-tint-amount)),
+  $hover-color: color-contrast($hover-background),
+  $active-background: if($color == $color-contrast-light, shade-color($background, $btn-active-bg-shade-amount), tint-color($background, $btn-active-bg-tint-amount)),
+  $active-border: if($color == $color-contrast-light, shade-color($border, $btn-active-border-shade-amount), tint-color($border, $btn-active-border-tint-amount)),
+  $active-color: color-contrast($active-background),
+  $disabled-background: $background,
+  $disabled-border: $border,
+  $disabled-color: color-contrast($disabled-background)
+) {
   color: $color;
-  background-color: $background;
+  @include gradient-bg($background);
   border-color: $border;
   @include box-shadow($btn-box-shadow);
 
-  // Hover and focus styles are shared
-  @include hover {
-    color: $color;
-    background-color: $active-background;
-    border-color: $active-border;
+  &:hover {
+    color: $hover-color;
+    @include gradient-bg($hover-background);
+    border-color: $hover-border;
   }
-  &:focus,
-  &.focus {
-    // Avoid using mixin so we can pass custom focus shadow properly
+
+  .btn-check:focus + &,
+  &:focus {
+    color: $hover-color;
+    @include gradient-bg($hover-background);
+    border-color: $hover-border;
     @if $enable-shadows {
-      box-shadow: $btn-box-shadow, 0 0 0 2px rgba($border, .5);
+      @include box-shadow($btn-box-shadow, 0 0 0 $btn-focus-width rgba(mix($color, $border, 15%), .5));
     } @else {
-      box-shadow: 0 0 0 2px rgba($border, .5);
+      // Avoid using mixin so we can pass custom focus shadow properly
+      box-shadow: 0 0 0 $btn-focus-width rgba(mix($color, $border, 15%), .5);
     }
   }
 
-  // Disabled comes first so active can properly restyle
-  &.disabled,
-  &:disabled {
-    background-color: $background;
-    border-color: $border;
-  }
-
+  .btn-check:checked + &,
+  .btn-check:active + &,
   &:active,
   &.active,
   .show > &.dropdown-toggle {
-    color: $color;
+    color: $active-color;
     background-color: $active-background;
-    background-image: none; // Remove the gradient for the pressed/active state
+    // Remove CSS gradients if they're enabled
+    background-image: if($enable-gradients, none, null);
     border-color: $active-border;
-    @include box-shadow($btn-active-box-shadow);
+
+    &:focus {
+      @if $enable-shadows {
+        @include box-shadow($btn-active-box-shadow, 0 0 0 $btn-focus-width rgba(mix($color, $border, 15%), .5));
+      } @else {
+        // Avoid using mixin so we can pass custom focus shadow properly
+        box-shadow: 0 0 0 $btn-focus-width rgba(mix($color, $border, 15%), .5);
+      }
+    }
+  }
+
+  &:disabled,
+  &.disabled {
+    color: $disabled-color;
+    background-color: $disabled-background;
+    // Remove CSS gradients if they're enabled
+    background-image: if($enable-gradients, none, null);
+    border-color: $disabled-border;
   }
 }
+// scss-docs-end btn-variant-mixin
 
-@mixin button-outline-variant($color, $color-hover: #fff) {
+// scss-docs-start btn-outline-variant-mixin
+@mixin button-outline-variant(
+  $color,
+  $color-hover: color-contrast($color),
+  $active-background: $color,
+  $active-border: $color,
+  $active-color: color-contrast($active-background)
+) {
   color: $color;
-  background-image: none;
-  background-color: transparent;
   border-color: $color;
 
-  @include hover {
+  &:hover {
     color: $color-hover;
-    background-color: $color;
-    border-color: $color;
-  }
-
-  &:focus,
-  &.focus {
-    box-shadow: 0 0 0 2px rgba($color, .5);
+    background-color: $active-background;
+    border-color: $active-border;
   }
 
-  &.disabled,
-  &:disabled {
-    color: $color;
-    background-color: transparent;
+  .btn-check:focus + &,
+  &:focus {
+    box-shadow: 0 0 0 $btn-focus-width rgba($color, .5);
   }
 
+  .btn-check:checked + &,
+  .btn-check:active + &,
   &:active,
   &.active,
-  .show > &.dropdown-toggle {
-    color: $color-hover;
-    background-color: $color;
-    border-color: $color;
+  &.dropdown-toggle.show {
+    color: $active-color;
+    background-color: $active-background;
+    border-color: $active-border;
+
+    &:focus {
+      @if $enable-shadows {
+        @include box-shadow($btn-active-box-shadow, 0 0 0 $btn-focus-width rgba($color, .5));
+      } @else {
+        // Avoid using mixin so we can pass custom focus shadow properly
+        box-shadow: 0 0 0 $btn-focus-width rgba($color, .5);
+      }
+    }
+  }
+
+  &:disabled,
+  &.disabled {
+    color: $color;
+    background-color: transparent;
   }
 }
+// scss-docs-end btn-outline-variant-mixin
 
-// Button sizes
+// scss-docs-start btn-size-mixin
 @mixin button-size($padding-y, $padding-x, $font-size, $border-radius) {
   padding: $padding-y $padding-x;
-  font-size: $font-size;
-  @include border-radius($border-radius);
+  @include font-size($font-size);
+  // Manually declare to provide an override to the browser default
+  @include border-radius($border-radius, 0);
 }
+// scss-docs-end btn-size-mixin
diff --git a/sass/vendor/bootstrap/scss/mixins/_cards.scss b/sass/vendor/bootstrap/scss/mixins/_cards.scss
deleted file mode 100755
index 4b1232d..0000000
--- a/sass/vendor/bootstrap/scss/mixins/_cards.scss
+++ /dev/null
@@ -1,47 +0,0 @@
-// Card variants
-
-@mixin card-variant($background, $border) {
-  background-color: $background;
-  border-color: $border;
-
-  .card-header,
-  .card-footer {
-    background-color: transparent;
-  }
-}
-
-@mixin card-outline-variant($color) {
-  background-color: transparent;
-  border-color: $color;
-}
-
-//
-// Inverse text within a card for use with dark backgrounds
-//
-
-@mixin card-inverse {
-  color: rgba(255,255,255,.65);
-
-  .card-header,
-  .card-footer {
-    background-color: transparent;
-    border-color: rgba(255,255,255,.2);
-  }
-  .card-header,
-  .card-footer,
-  .card-title,
-  .card-blockquote {
-    color: #fff;
-  }
-  .card-link,
-  .card-text,
-  .card-subtitle,
-  .card-blockquote .blockquote-footer {
-    color: rgba(255,255,255,.65);
-  }
-  .card-link {
-    @include hover-focus {
-      color: $card-link-hover-color;
-    }
-  }
-}
diff --git a/sass/vendor/bootstrap/scss/mixins/_caret.scss b/sass/vendor/bootstrap/scss/mixins/_caret.scss
new file mode 100644
index 0000000..4b0f036
--- /dev/null
+++ b/sass/vendor/bootstrap/scss/mixins/_caret.scss
@@ -0,0 +1,64 @@
+// scss-docs-start caret-mixins
+@mixin caret-down {
+  border-top: $caret-width solid;
+  border-right: $caret-width solid transparent;
+  border-bottom: 0;
+  border-left: $caret-width solid transparent;
+}
+
+@mixin caret-up {
+  border-top: 0;
+  border-right: $caret-width solid transparent;
+  border-bottom: $caret-width solid;
+  border-left: $caret-width solid transparent;
+}
+
+@mixin caret-end {
+  border-top: $caret-width solid transparent;
+  border-right: 0;
+  border-bottom: $caret-width solid transparent;
+  border-left: $caret-width solid;
+}
+
+@mixin caret-start {
+  border-top: $caret-width solid transparent;
+  border-right: $caret-width solid;
+  border-bottom: $caret-width solid transparent;
+}
+
+@mixin caret($direction: down) {
+  @if $enable-caret {
+    &::after {
+      display: inline-block;
+      margin-left: $caret-spacing;
+      vertical-align: $caret-vertical-align;
+      content: "";
+      @if $direction == down {
+        @include caret-down();
+      } @else if $direction == up {
+        @include caret-up();
+      } @else if $direction == end {
+        @include caret-end();
+      }
+    }
+
+    @if $direction == start {
+      &::after {
+        display: none;
+      }
+
+      &::before {
+        display: inline-block;
+        margin-right: $caret-spacing;
+        vertical-align: $caret-vertical-align;
+        content: "";
+        @include caret-start();
+      }
+    }
+
+    &:empty::after {
+      margin-left: 0;
+    }
+  }
+}
+// scss-docs-end caret-mixins
diff --git a/sass/vendor/bootstrap/scss/mixins/_clearfix.scss b/sass/vendor/bootstrap/scss/mixins/_clearfix.scss
index b72cf27..ffc62bb 100755..100644
--- a/sass/vendor/bootstrap/scss/mixins/_clearfix.scss
+++ b/sass/vendor/bootstrap/scss/mixins/_clearfix.scss
@@ -1,7 +1,9 @@
+// scss-docs-start clearfix
 @mixin clearfix() {
   &::after {
     display: block;
-    content: "";
     clear: both;
+    content: "";
   }
 }
+// scss-docs-end clearfix
diff --git a/sass/vendor/bootstrap/scss/mixins/_color-scheme.scss b/sass/vendor/bootstrap/scss/mixins/_color-scheme.scss
new file mode 100644
index 0000000..90497aa
--- /dev/null
+++ b/sass/vendor/bootstrap/scss/mixins/_color-scheme.scss
@@ -0,0 +1,7 @@
+// scss-docs-start mixin-color-scheme
+@mixin color-scheme($name) {
+  @media (prefers-color-scheme: #{$name}) {
+    @content;
+  }
+}
+// scss-docs-end mixin-color-scheme
diff --git a/sass/vendor/bootstrap/scss/mixins/_container.scss b/sass/vendor/bootstrap/scss/mixins/_container.scss
new file mode 100644
index 0000000..ee6044d
--- /dev/null
+++ b/sass/vendor/bootstrap/scss/mixins/_container.scss
@@ -0,0 +1,9 @@
+// Container mixins
+
+@mixin make-container($gutter: $container-padding-x) {
+  width: 100%;
+  padding-right: var(--#{$variable-prefix}gutter-x, #{$gutter});
+  padding-left: var(--#{$variable-prefix}gutter-x, #{$gutter});
+  margin-right: auto;
+  margin-left: auto;
+}
diff --git a/sass/vendor/bootstrap/scss/mixins/_deprecate.scss b/sass/vendor/bootstrap/scss/mixins/_deprecate.scss
new file mode 100644
index 0000000..df070bc
--- /dev/null
+++ b/sass/vendor/bootstrap/scss/mixins/_deprecate.scss
@@ -0,0 +1,10 @@
+// Deprecate mixin
+//
+// This mixin can be used to deprecate mixins or functions.
+// `$enable-deprecation-messages` is a global variable, `$ignore-warning` is a variable that can be passed to
+// some deprecated mixins to suppress the warning (for example if the mixin is still be used in the current version of Bootstrap)
+@mixin deprecate($name, $deprecate-version, $remove-version, $ignore-warning: false) {
+  @if ($enable-deprecation-messages != false and $ignore-warning != true) {
+    @warn "#{$name} has been deprecated as of #{$deprecate-version}. It will be removed entirely in #{$remove-version}.";
+  }
+}
diff --git a/sass/vendor/bootstrap/scss/mixins/_float.scss b/sass/vendor/bootstrap/scss/mixins/_float.scss
deleted file mode 100755
index b43116f..0000000
--- a/sass/vendor/bootstrap/scss/mixins/_float.scss
+++ /dev/null
@@ -1,9 +0,0 @@
-@mixin float-left {
-  float: left !important;
-}
-@mixin float-right {
-  float: right !important;
-}
-@mixin float-none {
-  float: none !important;
-}
diff --git a/sass/vendor/bootstrap/scss/mixins/_forms.scss b/sass/vendor/bootstrap/scss/mixins/_forms.scss
index c8aea96..dc5bdb0 100755..100644
--- a/sass/vendor/bootstrap/scss/mixins/_forms.scss
+++ b/sass/vendor/bootstrap/scss/mixins/_forms.scss
@@ -1,79 +1,144 @@
-// Form validation states
-//
-// Used in _forms.scss to generate the form validation CSS for warnings, errors,
-// and successes.
-
-@mixin form-control-validation($color) {
-  // Color the label and help text
-  .form-control-feedback,
-  .form-control-label,
-  .col-form-label,
-  .form-check-label,
-  .custom-control {
+// This mixin uses an `if()` technique to be compatible with Dart Sass
+// See https://github.com/sass/sass/issues/1873#issuecomment-152293725 for more details
+
+// scss-docs-start form-validation-mixins
+@mixin form-validation-state-selector($state) {
+  @if ($state == "valid" or $state == "invalid") {
+    .was-validated #{if(&, "&", "")}:#{$state},
+    #{if(&, "&", "")}.is-#{$state} {
+      @content;
+    }
+  } @else {
+    #{if(&, "&", "")}.is-#{$state} {
+      @content;
+    }
+  }
+}
+
+@mixin form-validation-state(
+  $state,
+  $color,
+  $icon,
+  $tooltip-color: color-contrast($color),
+  $tooltip-bg-color: rgba($color, $form-feedback-tooltip-opacity),
+  $focus-box-shadow: 0 0 $input-btn-focus-blur $input-focus-width rgba($color, $input-btn-focus-color-opacity)
+) {
+  .#{$state}-feedback {
+    display: none;
+    width: 100%;
+    margin-top: $form-feedback-margin-top;
+    @include font-size($form-feedback-font-size);
+    font-style: $form-feedback-font-style;
     color: $color;
   }
 
-  // Set the border and box shadow on specific inputs to match
-  .form-control {
-    border-color: $color;
+  .#{$state}-tooltip {
+    position: absolute;
+    top: 100%;
+    z-index: 5;
+    display: none;
+    max-width: 100%; // Contain to parent when possible
+    padding: $form-feedback-tooltip-padding-y $form-feedback-tooltip-padding-x;
+    margin-top: .1rem;
+    @include font-size($form-feedback-tooltip-font-size);
+    line-height: $form-feedback-tooltip-line-height;
+    color: $tooltip-color;
+    background-color: $tooltip-bg-color;
+    @include border-radius($form-feedback-tooltip-border-radius);
+  }
 
-    &:focus {
-      @include box-shadow($input-box-shadow, 0 0 6px lighten($color, 20%));
+  @include form-validation-state-selector($state) {
+    ~ .#{$state}-feedback,
+    ~ .#{$state}-tooltip {
+      display: block;
     }
   }
 
-  // Set validation states also for addons
-  .input-group-addon {
-    color: $color;
-    border-color: $color;
-    background-color: lighten($color, 40%);
+  .form-control {
+    @include form-validation-state-selector($state) {
+      border-color: $color;
+
+      @if $enable-validation-icons {
+        padding-right: $input-height-inner;
+        background-image: escape-svg($icon);
+        background-repeat: no-repeat;
+        background-position: right $input-height-inner-quarter center;
+        background-size: $input-height-inner-half $input-height-inner-half;
+      }
+
+      &:focus {
+        border-color: $color;
+        box-shadow: $focus-box-shadow;
+      }
+    }
   }
-}
 
-// Form control focus state
-//
-// Generate a customized focus state and for any input with the specified color,
-// which defaults to the `@input-border-focus` variable.
-//
-// We highly encourage you to not customize the default value, but instead use
-// this to tweak colors on an as-needed basis. This aesthetic change is based on
-// WebKit's default styles, but applicable to a wider range of browsers. Its
-// usability and accessibility should be taken into account with any change.
-//
-// Example usage: change the default blue border and shadow to white for better
-// contrast against a dark gray background.
-@mixin form-control-focus() {
-  &:focus {
-    color: $input-color-focus;
-    background-color: $input-bg-focus;
-    border-color: $input-border-focus;
-    outline: none;
-    @include box-shadow($input-box-shadow-focus);
+  // stylelint-disable-next-line selector-no-qualifying-type
+  textarea.form-control {
+    @include form-validation-state-selector($state) {
+      @if $enable-validation-icons {
+        padding-right: $input-height-inner;
+        background-position: top $input-height-inner-quarter right $input-height-inner-quarter;
+      }
+    }
   }
-}
 
-// Form control sizing
-//
-// Relative text size, padding, and border-radii changes for form controls. For
-// horizontal sizing, wrap controls in the predefined grid classes. `<select>`
-// element gets special love because it's special, and that's a fact!
-
-@mixin input-size($parent, $input-height, $padding-y, $padding-x, $font-size, $line-height, $border-radius) {
-  #{$parent} {
-    height: $input-height;
-    padding: $padding-y $padding-x;
-    font-size: $font-size;
-    line-height: $line-height;
-    @include border-radius($border-radius);
+  .form-select {
+    @include form-validation-state-selector($state) {
+      border-color: $color;
+
+      @if $enable-validation-icons {
+        &:not([multiple]):not([size]),
+        &:not([multiple])[size="1"] {
+          padding-right: $form-select-feedback-icon-padding-end;
+          background-image: escape-svg($form-select-indicator), escape-svg($icon);
+          background-position: $form-select-bg-position, $form-select-feedback-icon-position;
+          background-size: $form-select-bg-size, $form-select-feedback-icon-size;
+        }
+      }
+
+      &:focus {
+        border-color: $color;
+        box-shadow: $focus-box-shadow;
+      }
+    }
   }
 
-  select#{$parent} {
-    height: $input-height;
-    line-height: $input-height;
+  .form-check-input {
+    @include form-validation-state-selector($state) {
+      border-color: $color;
+
+      &:checked {
+        background-color: $color;
+      }
+
+      &:focus {
+        box-shadow: $focus-box-shadow;
+      }
+
+      ~ .form-check-label {
+        color: $color;
+      }
+    }
+  }
+  .form-check-inline .form-check-input {
+    ~ .#{$state}-feedback {
+      margin-left: .5em;
+    }
   }
 
-  textarea#{$parent},
-  select[multiple]#{$parent} {
-    height: auto;
+  .input-group .form-control,
+  .input-group .form-select {
+    @include form-validation-state-selector($state) {
+      @if $state == "valid" {
+        z-index: 1;
+      } @else if $state == "invalid" {
+        z-index: 2;
+      }
+      &:focus {
+        z-index: 3;
+      }
+    }
   }
 }
+// scss-docs-end form-validation-mixins
diff --git a/sass/vendor/bootstrap/scss/mixins/_gradients.scss b/sass/vendor/bootstrap/scss/mixins/_gradients.scss
index 8bfd97c..44167d1 100755..100644
--- a/sass/vendor/bootstrap/scss/mixins/_gradients.scss
+++ b/sass/vendor/bootstrap/scss/mixins/_gradients.scss
@@ -1,37 +1,47 @@
 // Gradients
 
+// scss-docs-start gradient-bg-mixin
+@mixin gradient-bg($color: null) {
+  background-color: $color;
+
+  @if $enable-gradients {
+    background-image: var(--#{$variable-prefix}gradient);
+  }
+}
+// scss-docs-end gradient-bg-mixin
+
+// scss-docs-start gradient-mixins
 // Horizontal gradient, from left to right
 //
 // Creates two color stops, start and end, by specifying a color and position for each color stop.
-@mixin gradient-x($start-color: #555, $end-color: #333, $start-percent: 0%, $end-percent: 100%) {
+@mixin gradient-x($start-color: $gray-700, $end-color: $gray-800, $start-percent: 0%, $end-percent: 100%) {
   background-image: linear-gradient(to right, $start-color $start-percent, $end-color $end-percent);
-  background-repeat: repeat-x;
 }
 
 // Vertical gradient, from top to bottom
 //
 // Creates two color stops, start and end, by specifying a color and position for each color stop.
-@mixin gradient-y($start-color: #555, $end-color: #333, $start-percent: 0%, $end-percent: 100%) {
+@mixin gradient-y($start-color: $gray-700, $end-color: $gray-800, $start-percent: null, $end-percent: null) {
   background-image: linear-gradient(to bottom, $start-color $start-percent, $end-color $end-percent);
-  background-repeat: repeat-x;
 }
 
-@mixin gradient-directional($start-color: #555, $end-color: #333, $deg: 45deg) {
-  background-repeat: repeat-x;
+@mixin gradient-directional($start-color: $gray-700, $end-color: $gray-800, $deg: 45deg) {
   background-image: linear-gradient($deg, $start-color, $end-color);
 }
-@mixin gradient-x-three-colors($start-color: #00b3ee, $mid-color: #7a43b6, $color-stop: 50%, $end-color: #c3325f) {
+
+@mixin gradient-x-three-colors($start-color: $blue, $mid-color: $purple, $color-stop: 50%, $end-color: $red) {
   background-image: linear-gradient(to right, $start-color, $mid-color $color-stop, $end-color);
-  background-repeat: no-repeat;
 }
-@mixin gradient-y-three-colors($start-color: #00b3ee, $mid-color: #7a43b6, $color-stop: 50%, $end-color: #c3325f) {
+
+@mixin gradient-y-three-colors($start-color: $blue, $mid-color: $purple, $color-stop: 50%, $end-color: $red) {
   background-image: linear-gradient($start-color, $mid-color $color-stop, $end-color);
-  background-repeat: no-repeat;
 }
-@mixin gradient-radial($inner-color: #555, $outer-color: #333) {
+
+@mixin gradient-radial($inner-color: $gray-700, $outer-color: $gray-800) {
   background-image: radial-gradient(circle, $inner-color, $outer-color);
-  background-repeat: no-repeat;
 }
-@mixin gradient-striped($color: rgba(255,255,255,.15), $angle: 45deg) {
+
+@mixin gradient-striped($color: rgba($white, .15), $angle: 45deg) {
   background-image: linear-gradient($angle, $color 25%, transparent 25%, transparent 50%, $color 50%, $color 75%, transparent 75%, transparent);
 }
+// scss-docs-end gradient-mixins
diff --git a/sass/vendor/bootstrap/scss/mixins/_grid-framework.scss b/sass/vendor/bootstrap/scss/mixins/_grid-framework.scss
deleted file mode 100755
index 0aa814a..0000000
--- a/sass/vendor/bootstrap/scss/mixins/_grid-framework.scss
+++ /dev/null
@@ -1,65 +0,0 @@
-// Framework grid generation
-//
-// Used only by Bootstrap to generate the correct number of grid classes given
-// any value of `$grid-columns`.
-
-@mixin make-grid-columns($columns: $grid-columns, $gutters: $grid-gutter-widths, $breakpoints: $grid-breakpoints) {
-  // Common properties for all breakpoints
-  %grid-column {
-    position: relative;
-    width: 100%;
-    min-height: 1px; // Prevent columns from collapsing when empty
-
-    @include make-gutters($gutters);
-  }
-
-  @each $breakpoint in map-keys($breakpoints) {
-    $infix: breakpoint-infix($breakpoint, $breakpoints);
-
-    // Allow columns to stretch full width below their breakpoints
-    @for $i from 1 through $columns {
-      .col#{$infix}-#{$i} {
-        @extend %grid-column;
-      }
-    }
-    .col#{$infix} {
-      @extend %grid-column;
-    }
-
-    @include media-breakpoint-up($breakpoint, $breakpoints) {
-      // Provide basic `.col-{bp}` classes for equal-width flexbox columns
-      .col#{$infix} {
-        flex-basis: 0;
-        flex-grow: 1;
-        max-width: 100%;
-      }
-      .col#{$infix}-auto {
-        flex: 0 0 auto;
-        width: auto;
-      }
-
-      @for $i from 1 through $columns {
-        .col#{$infix}-#{$i} {
-          @include make-col($i, $columns);
-        }
-      }
-
-      @each $modifier in (pull, push) {
-        @for $i from 0 through $columns {
-          .#{$modifier}#{$infix}-#{$i} {
-            @include make-col-modifier($modifier, $i, $columns)
-          }
-        }
-      }
-
-      // `$columns - 1` because offsetting by the width of an entire row isn't possible
-      @for $i from 0 through ($columns - 1) {
-        @if not ($infix == "" and $i == 0) { // Avoid emitting useless .offset-xs-0
-          .offset#{$infix}-#{$i} {
-            @include make-col-modifier(offset, $i, $columns)
-          }
-        }
-      }
-    }
-  }
-}
diff --git a/sass/vendor/bootstrap/scss/mixins/_grid.scss b/sass/vendor/bootstrap/scss/mixins/_grid.scss
index 9cd8c7b..ff6941c 100755..100644
--- a/sass/vendor/bootstrap/scss/mixins/_grid.scss
+++ b/sass/vendor/bootstrap/scss/mixins/_grid.scss
@@ -1,100 +1,132 @@
-/// Grid system
+// Grid system
 //
 // Generate semantic grid columns with these mixins.
 
-@mixin make-container($gutters: $grid-gutter-widths) {
-  position: relative;
-  margin-left: auto;
-  margin-right: auto;
+@mixin make-row($gutter: $grid-gutter-width) {
+  --#{$variable-prefix}gutter-x: #{$gutter};
+  --#{$variable-prefix}gutter-y: 0;
+  display: flex;
+  flex-wrap: wrap;
+  margin-top: calc(var(--#{$variable-prefix}gutter-y) * -1); // stylelint-disable-line function-disallowed-list
+  margin-right: calc(var(--#{$variable-prefix}gutter-x) * -.5); // stylelint-disable-line function-disallowed-list
+  margin-left: calc(var(--#{$variable-prefix}gutter-x) * -.5); // stylelint-disable-line function-disallowed-list
+}
 
-  @each $breakpoint in map-keys($gutters) {
-    @include media-breakpoint-up($breakpoint) {
-      $gutter: map-get($gutters, $breakpoint);
-      padding-right: ($gutter / 2);
-      padding-left:  ($gutter / 2);
-    }
-  }
+@mixin make-col-ready($gutter: $grid-gutter-width) {
+  // Add box sizing if only the grid is loaded
+  box-sizing: if(variable-exists(include-column-box-sizing) and $include-column-box-sizing, border-box, null);
+  // Prevent columns from becoming too narrow when at smaller grid tiers by
+  // always setting `width: 100%;`. This works because we set the width
+  // later on to override this initial width.
+  flex-shrink: 0;
+  width: 100%;
+  max-width: 100%; // Prevent `.col-auto`, `.col` (& responsive variants) from breaking out the grid
+  padding-right: calc(var(--#{$variable-prefix}gutter-x) * .5); // stylelint-disable-line function-disallowed-list
+  padding-left: calc(var(--#{$variable-prefix}gutter-x) * .5); // stylelint-disable-line function-disallowed-list
+  margin-top: var(--#{$variable-prefix}gutter-y);
 }
 
+@mixin make-col($size: false, $columns: $grid-columns) {
+  @if $size {
+    flex: 0 0 auto;
+    width: percentage(divide($size, $columns));
 
-// For each breakpoint, define the maximum width of the container in a media query
-@mixin make-container-max-widths($max-widths: $container-max-widths, $breakpoints: $grid-breakpoints) {
-  @each $breakpoint, $container-max-width in $max-widths {
-    @include media-breakpoint-up($breakpoint, $breakpoints) {
-      width: $container-max-width;
-      max-width: 100%;
-    }
+  } @else {
+    flex: 1 1 0;
+    max-width: 100%;
   }
 }
 
-@mixin make-gutters($gutters: $grid-gutter-widths) {
-  @each $breakpoint in map-keys($gutters) {
-    @include media-breakpoint-up($breakpoint) {
-      $gutter: map-get($gutters, $breakpoint);
-      padding-right: ($gutter / 2);
-      padding-left:  ($gutter / 2);
-    }
-  }
+@mixin make-col-auto() {
+  flex: 0 0 auto;
+  width: auto;
 }
 
-@mixin make-row($gutters: $grid-gutter-widths) {
-  display: flex;
-  flex-wrap: wrap;
+@mixin make-col-offset($size, $columns: $grid-columns) {
+  $num: divide($size, $columns);
+  margin-left: if($num == 0, 0, percentage($num));
+}
 
-  @each $breakpoint in map-keys($gutters) {
-    @include media-breakpoint-up($breakpoint) {
-      $gutter: map-get($gutters, $breakpoint);
-      margin-right: ($gutter / -2);
-      margin-left:  ($gutter / -2);
-    }
+// Row columns
+//
+// Specify on a parent element(e.g., .row) to force immediate children into NN
+// numberof columns. Supports wrapping to new lines, but does not do a Masonry
+// style grid.
+@mixin row-cols($count) {
+  > * {
+    flex: 0 0 auto;
+    width: divide(100%, $count);
   }
 }
 
-@mixin make-col-ready($gutters: $grid-gutter-widths) {
-  position: relative;
-  // Prevent columns from becoming too narrow when at smaller grid tiers by
-  // always setting `width: 100%;`. This works because we use `flex` values
-  // later on to override this initial width.
-  width: 100%;
-  min-height: 1px; // Prevent collapsing
+// Framework grid generation
+//
+// Used only by Bootstrap to generate the correct number of grid classes given
+// any value of `$grid-columns`.
 
-  @each $breakpoint in map-keys($gutters) {
-    @include media-breakpoint-up($breakpoint) {
-      $gutter: map-get($gutters, $breakpoint);
-      padding-right: ($gutter / 2);
-      padding-left:  ($gutter / 2);
+@mixin make-grid-columns($columns: $grid-columns, $gutter: $grid-gutter-width, $breakpoints: $grid-breakpoints) {
+  @each $breakpoint in map-keys($breakpoints) {
+    // .row-cols defaults must all appear before .col overrides so they can be overridden.
+    $infix: breakpoint-infix($breakpoint, $breakpoints);
+    @include media-breakpoint-up($breakpoint, $breakpoints) {
+      // Provide basic `.col-{bp}` classes for equal-width flexbox columns
+      .col#{$infix} {
+        flex: 1 0 0%; // Flexbugs #4: https://github.com/philipwalton/flexbugs#flexbug-4
+      }
+
+      .row-cols#{$infix}-auto > * {
+        @include make-col-auto();
+      }
+
+      @if $grid-row-columns > 0 {
+        @for $i from 1 through $grid-row-columns {
+          .row-cols#{$infix}-#{$i} {
+            @include row-cols($i);
+          }
+        }
+      }
     }
   }
-}
 
-@mixin make-col($size, $columns: $grid-columns) {
-  flex: 0 0 percentage($size / $columns);
-  // width: percentage($size / $columns);
-  // Add a `max-width` to ensure content within each column does not blow out
-  // the width of the column. Applies to IE10+ and Firefox. Chrome and Safari
-  // do not appear to require this.
-  max-width: percentage($size / $columns);
-}
+  @each $breakpoint in map-keys($breakpoints) {
+    $infix: breakpoint-infix($breakpoint, $breakpoints);
 
-@mixin make-col-offset($size, $columns: $grid-columns) {
-  margin-left: percentage($size / $columns);
-}
+    @include media-breakpoint-up($breakpoint, $breakpoints) {
+      .col#{$infix}-auto {
+        @include make-col-auto();
+      }
 
-@mixin make-col-push($size, $columns: $grid-columns) {
-  left: if($size > 0, percentage($size / $columns), auto);
-}
+      @if $columns > 0 {
+        @for $i from 1 through $columns {
+          .col#{$infix}-#{$i} {
+            @include make-col($i, $columns);
+          }
+        }
 
-@mixin make-col-pull($size, $columns: $grid-columns) {
-  right: if($size > 0, percentage($size / $columns), auto);
-}
+        // `$columns - 1` because offsetting by the width of an entire row isn't possible
+        @for $i from 0 through ($columns - 1) {
+          @if not ($infix == "" and $i == 0) { // Avoid emitting useless .offset-0
+            .offset#{$infix}-#{$i} {
+              @include make-col-offset($i, $columns);
+            }
+          }
+        }
+      }
 
-@mixin make-col-modifier($type, $size, $columns) {
-  // Work around the lack of dynamic mixin @include support (https://github.com/sass/sass/issues/626)
-  @if $type == push {
-    @include make-col-push($size, $columns);
-  } @else if $type == pull {
-    @include make-col-pull($size, $columns);
-  } @else if $type == offset {
-    @include make-col-offset($size, $columns);
+      // Gutters
+      //
+      // Make use of `.g-*`, `.gx-*` or `.gy-*` utilities to change spacing between the columns.
+      @each $key, $value in $gutters {
+        .g#{$infix}-#{$key},
+        .gx#{$infix}-#{$key} {
+          --#{$variable-prefix}gutter-x: #{$value};
+        }
+
+        .g#{$infix}-#{$key},
+        .gy#{$infix}-#{$key} {
+          --#{$variable-prefix}gutter-y: #{$value};
+        }
+      }
+    }
   }
 }
diff --git a/sass/vendor/bootstrap/scss/mixins/_hover.scss b/sass/vendor/bootstrap/scss/mixins/_hover.scss
deleted file mode 100755
index 6dd55e7..0000000
--- a/sass/vendor/bootstrap/scss/mixins/_hover.scss
+++ /dev/null
@@ -1,60 +0,0 @@
-@mixin hover {
-  // TODO: re-enable along with mq4-hover-shim
-//  @if $enable-hover-media-query {
-//    // See Media Queries Level 4: https://drafts.csswg.org/mediaqueries/#hover
-//    // Currently shimmed by https://github.com/twbs/mq4-hover-shim
-//    @media (hover: hover) {
-//      &:hover { @content }
-//    }
-//  }
-//  @else {
-    &:hover { @content }
-//  }
-}
-
-@mixin hover-focus {
-  @if $enable-hover-media-query {
-    &:focus { @content }
-    @include hover { @content }
-  }
-  @else {
-    &:focus,
-    &:hover {
-      @content
-    }
-  }
-}
-
-@mixin plain-hover-focus {
-  @if $enable-hover-media-query {
-    &,
-    &:focus {
-      @content
-    }
-    @include hover { @content }
-  }
-  @else {
-    &,
-    &:focus,
-    &:hover {
-      @content
-    }
-  }
-}
-
-@mixin hover-focus-active {
-  @if $enable-hover-media-query {
-    &:focus,
-    &:active {
-      @content
-    }
-    @include hover { @content }
-  }
-  @else {
-    &:focus,
-    &:active,
-    &:hover {
-      @content
-    }
-  }
-}
diff --git a/sass/vendor/bootstrap/scss/mixins/_image.scss b/sass/vendor/bootstrap/scss/mixins/_image.scss
index c2b45f2..e1df779 100755..100644
--- a/sass/vendor/bootstrap/scss/mixins/_image.scss
+++ b/sass/vendor/bootstrap/scss/mixins/_image.scss
@@ -14,23 +14,3 @@
   // when setting a width and height attribute on the img element.
   height: auto;
 }
-
-
-// Retina image
-//
-// Short retina mixin for setting background-image and -size.
-
-@mixin img-retina($file-1x, $file-2x, $width-1x, $height-1x) {
-  background-image: url($file-1x);
-
-  // Autoprefixer takes care of adding -webkit-min-device-pixel-ratio and -o-min-device-pixel-ratio,
-  // but doesn't convert dppx=>dpi.
-  // There's no such thing as unprefixed min-device-pixel-ratio since it's nonstandard.
-  // Compatibility info: http://caniuse.com/#feat=css-media-resolution
-  @media
-  only screen and (min-resolution: 192dpi), // IE9-11 don't support dppx
-  only screen and (min-resolution: 2dppx) { // Standardized
-    background-image: url($file-2x);
-    background-size: $width-1x $height-1x;
-  }
-}
diff --git a/sass/vendor/bootstrap/scss/mixins/_list-group.scss b/sass/vendor/bootstrap/scss/mixins/_list-group.scss
index 3db5b09..e55415f 100755..100644
--- a/sass/vendor/bootstrap/scss/mixins/_list-group.scss
+++ b/sass/vendor/bootstrap/scss/mixins/_list-group.scss
@@ -1,28 +1,24 @@
 // List Groups
 
+// scss-docs-start list-group-mixin
 @mixin list-group-item-variant($state, $background, $color) {
   .list-group-item-#{$state} {
     color: $color;
     background-color: $background;
-  }
-
-  a.list-group-item-#{$state},
-  button.list-group-item-#{$state} {
-    color: $color;
 
-    .list-group-item-heading {
-      color: inherit;
-    }
-
-    @include hover-focus {
-      color: $color;
-      background-color: darken($background, 5%);
-    }
+    &.list-group-item-action {
+      &:hover,
+      &:focus {
+        color: $color;
+        background-color: shade-color($background, 10%);
+      }
 
-    &.active {
-      color: #fff;
-      background-color: $color;
-      border-color: $color;
+      &.active {
+        color: $white;
+        background-color: $color;
+        border-color: $color;
+      }
     }
   }
 }
+// scss-docs-end list-group-mixin
diff --git a/sass/vendor/bootstrap/scss/mixins/_lists.scss b/sass/vendor/bootstrap/scss/mixins/_lists.scss
index 2518562..2518562 100755..100644
--- a/sass/vendor/bootstrap/scss/mixins/_lists.scss
+++ b/sass/vendor/bootstrap/scss/mixins/_lists.scss
diff --git a/sass/vendor/bootstrap/scss/mixins/_nav-divider.scss b/sass/vendor/bootstrap/scss/mixins/_nav-divider.scss
deleted file mode 100755
index fb3d12e..0000000
--- a/sass/vendor/bootstrap/scss/mixins/_nav-divider.scss
+++ /dev/null
@@ -1,10 +0,0 @@
-// Horizontal dividers
-//
-// Dividers (basically an hr) within dropdowns and nav lists
-
-@mixin nav-divider($color: #e5e5e5) {
-  height: 1px;
-  margin: ($spacer-y / 2) 0;
-  overflow: hidden;
-  background-color: $color;
-}
diff --git a/sass/vendor/bootstrap/scss/mixins/_navbar-align.scss b/sass/vendor/bootstrap/scss/mixins/_navbar-align.scss
deleted file mode 100755
index c454a4f..0000000
--- a/sass/vendor/bootstrap/scss/mixins/_navbar-align.scss
+++ /dev/null
@@ -1,9 +0,0 @@
-// Navbar vertical align
-//
-// Vertically center elements in the navbar.
-// Example: an element has a height of 30px, so write out `.navbar-vertical-align(30px);` to calculate the appropriate top margin.
-
-// @mixin navbar-vertical-align($element-height) {
-//   margin-top: (($navbar-height - $element-height) / 2);
-//   margin-bottom: (($navbar-height - $element-height) / 2);
-// }
diff --git a/sass/vendor/bootstrap/scss/mixins/_pagination.scss b/sass/vendor/bootstrap/scss/mixins/_pagination.scss
index 8cd9317..3101b38 100755..100644
--- a/sass/vendor/bootstrap/scss/mixins/_pagination.scss
+++ b/sass/vendor/bootstrap/scss/mixins/_pagination.scss
@@ -1,21 +1,31 @@
 // Pagination
 
-@mixin pagination-size($padding-y, $padding-x, $font-size, $line-height, $border-radius) {
+// scss-docs-start pagination-mixin
+@mixin pagination-size($padding-y, $padding-x, $font-size, $border-radius) {
   .page-link {
     padding: $padding-y $padding-x;
-    font-size: $font-size;
+    @include font-size($font-size);
   }
 
   .page-item {
-    &:first-child {
-      .page-link {
-        @include border-left-radius($border-radius);
+    @if $pagination-margin-start == (-$pagination-border-width) {
+      &:first-child {
+        .page-link {
+          @include border-start-radius($border-radius);
+        }
       }
-    }
-    &:last-child {
+
+      &:last-child {
+        .page-link {
+          @include border-end-radius($border-radius);
+        }
+      }
+    } @else {
+      //Add border-radius to all pageLinks in case they have left margin
       .page-link {
-        @include border-right-radius($border-radius);
+        @include border-radius($border-radius);
       }
     }
   }
 }
+// scss-docs-end pagination-mixin
diff --git a/sass/vendor/bootstrap/scss/mixins/_reset-text.scss b/sass/vendor/bootstrap/scss/mixins/_reset-text.scss
index b952730..354f564 100755..100644
--- a/sass/vendor/bootstrap/scss/mixins/_reset-text.scss
+++ b/sass/vendor/bootstrap/scss/mixins/_reset-text.scss
@@ -1,17 +1,17 @@
 @mixin reset-text {
   font-family: $font-family-base;
-  // We deliberately do NOT reset font-size or word-wrap.
+  // We deliberately do NOT reset font-size or overflow-wrap / word-wrap.
   font-style: normal;
   font-weight: $font-weight-normal;
-  letter-spacing: normal;
-  line-break: auto;
   line-height: $line-height-base;
   text-align: left; // Fallback for where `start` is not supported
   text-align: start;
   text-decoration: none;
   text-shadow: none;
   text-transform: none;
-  white-space: normal;
+  letter-spacing: normal;
   word-break: normal;
   word-spacing: normal;
+  white-space: normal;
+  line-break: auto;
 }
diff --git a/sass/vendor/bootstrap/scss/mixins/_resize.scss b/sass/vendor/bootstrap/scss/mixins/_resize.scss
index 83fa637..66f233a 100755..100644
--- a/sass/vendor/bootstrap/scss/mixins/_resize.scss
+++ b/sass/vendor/bootstrap/scss/mixins/_resize.scss
@@ -1,6 +1,6 @@
 // Resize anything
 
 @mixin resizable($direction) {
-  resize: $direction; // Options: horizontal, vertical, both
   overflow: auto; // Per CSS3 UI, `resize` only applies when `overflow` isn't `visible`
+  resize: $direction; // Options: horizontal, vertical, both
 }
diff --git a/sass/vendor/bootstrap/scss/mixins/_screen-reader.scss b/sass/vendor/bootstrap/scss/mixins/_screen-reader.scss
deleted file mode 100755
index c208583..0000000
--- a/sass/vendor/bootstrap/scss/mixins/_screen-reader.scss
+++ /dev/null
@@ -1,32 +0,0 @@
-// Only display content to screen readers
-//
-// See: http://a11yproject.com/posts/how-to-hide-content
-
-@mixin sr-only {
-  position: absolute;
-  width: 1px;
-  height: 1px;
-  padding: 0;
-  margin: -1px;
-  overflow: hidden;
-  clip: rect(0,0,0,0);
-  border: 0;
-}
-
-// Use in conjunction with .sr-only to only display content when it's focused.
-//
-// Useful for "Skip to main content" links; see https://www.w3.org/TR/2013/NOTE-WCAG20-TECHS-20130905/G1
-//
-// Credit: HTML5 Boilerplate
-
-@mixin sr-only-focusable {
-  &:active,
-  &:focus {
-    position: static;
-    width: auto;
-    height: auto;
-    margin: 0;
-    overflow: visible;
-    clip: auto;
-  }
-}
diff --git a/sass/vendor/bootstrap/scss/mixins/_size.scss b/sass/vendor/bootstrap/scss/mixins/_size.scss
deleted file mode 100755
index b9dd48e..0000000
--- a/sass/vendor/bootstrap/scss/mixins/_size.scss
+++ /dev/null
@@ -1,6 +0,0 @@
-// Sizing shortcuts
-
-@mixin size($width, $height: $width) {
-  width: $width;
-  height: $height;
-}
diff --git a/sass/vendor/bootstrap/scss/mixins/_table-row.scss b/sass/vendor/bootstrap/scss/mixins/_table-row.scss
deleted file mode 100755
index 84f1d30..0000000
--- a/sass/vendor/bootstrap/scss/mixins/_table-row.scss
+++ /dev/null
@@ -1,30 +0,0 @@
-// Tables
-
-@mixin table-row-variant($state, $background) {
-  // Exact selectors below required to override `.table-striped` and prevent
-  // inheritance to nested tables.
-  .table-#{$state} {
-    &,
-    > th,
-    > td {
-      background-color: $background;
-    }
-  }
-
-  // Hover states for `.table-hover`
-  // Note: this is not available for cells or rows within `thead` or `tfoot`.
-  .table-hover {
-    $hover-background: darken($background, 5%);
-
-    .table-#{$state} {
-      @include hover {
-        background-color: $hover-background;
-
-        > td,
-        > th {
-          background-color: $hover-background;
-        }
-      }
-    }
-  }
-}
diff --git a/sass/vendor/bootstrap/scss/mixins/_table-variants.scss b/sass/vendor/bootstrap/scss/mixins/_table-variants.scss
new file mode 100644
index 0000000..9fd0fb0
--- /dev/null
+++ b/sass/vendor/bootstrap/scss/mixins/_table-variants.scss
@@ -0,0 +1,21 @@
+// scss-docs-start table-variant
+@mixin table-variant($state, $background) {
+  .table-#{$state} {
+    $color: color-contrast(opaque($body-bg, $background));
+    $hover-bg: mix($color, $background, percentage($table-hover-bg-factor));
+    $striped-bg: mix($color, $background, percentage($table-striped-bg-factor));
+    $active-bg: mix($color, $background, percentage($table-active-bg-factor));
+
+    --#{$variable-prefix}table-bg: #{$background};
+    --#{$variable-prefix}table-striped-bg: #{$striped-bg};
+    --#{$variable-prefix}table-striped-color: #{color-contrast($striped-bg)};
+    --#{$variable-prefix}table-active-bg: #{$active-bg};
+    --#{$variable-prefix}table-active-color: #{color-contrast($active-bg)};
+    --#{$variable-prefix}table-hover-bg: #{$hover-bg};
+    --#{$variable-prefix}table-hover-color: #{color-contrast($hover-bg)};
+
+    color: $color;
+    border-color: mix($color, $background, percentage($table-border-factor));
+  }
+}
+// scss-docs-end table-variant
diff --git a/sass/vendor/bootstrap/scss/mixins/_text-emphasis.scss b/sass/vendor/bootstrap/scss/mixins/_text-emphasis.scss
deleted file mode 100755
index 9cd4b6a..0000000
--- a/sass/vendor/bootstrap/scss/mixins/_text-emphasis.scss
+++ /dev/null
@@ -1,12 +0,0 @@
-// Typography
-
-@mixin text-emphasis-variant($parent, $color) {
-  #{$parent} {
-    color: $color !important;
-  }
-  a#{$parent} {
-    @include hover-focus {
-      color: darken($color, 10%) !important;
-    }
-  }
-}
diff --git a/sass/vendor/bootstrap/scss/mixins/_text-hide.scss b/sass/vendor/bootstrap/scss/mixins/_text-hide.scss
deleted file mode 100755
index 52a38a9..0000000
--- a/sass/vendor/bootstrap/scss/mixins/_text-hide.scss
+++ /dev/null
@@ -1,8 +0,0 @@
-// CSS image replacement
-@mixin text-hide() {
-  font: 0/0 a;
-  color: transparent;
-  text-shadow: none;
-  background-color: transparent;
-  border: 0;
-}
diff --git a/sass/vendor/bootstrap/scss/mixins/_text-truncate.scss b/sass/vendor/bootstrap/scss/mixins/_text-truncate.scss
index 5a40bf5..3504bb1 100755..100644
--- a/sass/vendor/bootstrap/scss/mixins/_text-truncate.scss
+++ b/sass/vendor/bootstrap/scss/mixins/_text-truncate.scss
@@ -5,4 +5,4 @@
   overflow: hidden;
   text-overflow: ellipsis;
   white-space: nowrap;
-}
\ No newline at end of file
+}
diff --git a/sass/vendor/bootstrap/scss/mixins/_transforms.scss b/sass/vendor/bootstrap/scss/mixins/_transforms.scss
deleted file mode 100755
index 4005c9d..0000000
--- a/sass/vendor/bootstrap/scss/mixins/_transforms.scss
+++ /dev/null
@@ -1,14 +0,0 @@
-// Applies the given styles only when the browser support CSS3 3D transforms.
-@mixin if-supports-3d-transforms() {
-  @media (-webkit-transform-3d) {
-    // Old Safari, Old Android
-    // http://caniuse.com/#feat=css-featurequeries
-    // https://developer.mozilla.org/en-US/docs/Web/CSS/@media/-webkit-transform-3d
-    @content;
-  }
-
-  @supports (transform: translate3d(0,0,0)) {
-    // The Proper Way: Using a CSS feature query
-    @content;
-  }
-}
diff --git a/sass/vendor/bootstrap/scss/mixins/_transition.scss b/sass/vendor/bootstrap/scss/mixins/_transition.scss
new file mode 100644
index 0000000..d437f6d
--- /dev/null
+++ b/sass/vendor/bootstrap/scss/mixins/_transition.scss
@@ -0,0 +1,26 @@
+// stylelint-disable property-disallowed-list
+@mixin transition($transition...) {
+  @if length($transition) == 0 {
+    $transition: $transition-base;
+  }
+
+  @if length($transition) > 1 {
+    @each $value in $transition {
+      @if $value == null or $value == none {
+        @warn "The keyword 'none' or 'null' must be used as a single argument.";
+      }
+    }
+  }
+
+  @if $enable-transitions {
+    @if nth($transition, 1) != null {
+      transition: $transition;
+    }
+
+    @if $enable-reduced-motion and nth($transition, 1) != null and nth($transition, 1) != none {
+      @media (prefers-reduced-motion: reduce) {
+        transition: none;
+      }
+    }
+  }
+}
diff --git a/sass/vendor/bootstrap/scss/mixins/_utilities.scss b/sass/vendor/bootstrap/scss/mixins/_utilities.scss
new file mode 100644
index 0000000..4d2370a
--- /dev/null
+++ b/sass/vendor/bootstrap/scss/mixins/_utilities.scss
@@ -0,0 +1,68 @@
+// Utility generator
+// Used to generate utilities & print utilities
+@mixin generate-utility($utility, $infix, $is-rfs-media-query: false) {
+  $values: map-get($utility, values);
+
+  // If the values are a list or string, convert it into a map
+  @if type-of($values) == "string" or type-of(nth($values, 1)) != "list" {
+    $values: zip($values, $values);
+  }
+
+  @each $key, $value in $values {
+    $properties: map-get($utility, property);
+
+    // Multiple properties are possible, for example with vertical or horizontal margins or paddings
+    @if type-of($properties) == "string" {
+      $properties: append((), $properties);
+    }
+
+    // Use custom class if present
+    $property-class: if(map-has-key($utility, class), map-get($utility, class), nth($properties, 1));
+    $property-class: if($property-class == null, "", $property-class);
+
+    // State params to generate pseudo-classes
+    $state: if(map-has-key($utility, state), map-get($utility, state), ());
+
+    $infix: if($property-class == "" and str-slice($infix, 1, 1) == "-", str-slice($infix, 2), $infix);
+
+    // Don't prefix if value key is null (eg. with shadow class)
+    $property-class-modifier: if($key, if($property-class == "" and $infix == "", "", "-") + $key, "");
+
+    @if map-get($utility, rfs) {
+      // Inside the media query
+      @if $is-rfs-media-query {
+        $val: rfs-value($value);
+
+        // Do not render anything if fluid and non fluid values are the same
+        $value: if($val == rfs-fluid-value($value), null, $val);
+      }
+      @else {
+        $value: rfs-fluid-value($value);
+      }
+    }
+
+    $is-rtl: map-get($utility, rtl);
+
+    @if $value != null {
+      @if $is-rtl == false {
+        /* rtl:begin:remove */
+      }
+      .#{$property-class + $infix + $property-class-modifier} {
+        @each $property in $properties {
+          #{$property}: $value if($enable-important-utilities, !important, null);
+        }
+      }
+
+      @each $pseudo in $state {
+        .#{$property-class + $infix + $property-class-modifier}-#{$pseudo}:#{$pseudo} {
+          @each $property in $properties {
+            #{$property}: $value if($enable-important-utilities, !important, null);
+          }
+        }
+      }
+      @if $is-rtl == false {
+        /* rtl:end:remove */
+      }
+    }
+  }
+}
diff --git a/sass/vendor/bootstrap/scss/mixins/_visibility.scss b/sass/vendor/bootstrap/scss/mixins/_visibility.scss
deleted file mode 100755
index 88c50b0..0000000
--- a/sass/vendor/bootstrap/scss/mixins/_visibility.scss
+++ /dev/null
@@ -1,5 +0,0 @@
-// Visibility
-
-@mixin invisible {
-  visibility: hidden !important;
-}
diff --git a/sass/vendor/bootstrap/scss/mixins/_visually-hidden.scss b/sass/vendor/bootstrap/scss/mixins/_visually-hidden.scss
new file mode 100644
index 0000000..ed7bc9c
--- /dev/null
+++ b/sass/vendor/bootstrap/scss/mixins/_visually-hidden.scss
@@ -0,0 +1,29 @@
+// stylelint-disable declaration-no-important
+
+// Hide content visually while keeping it accessible to assistive technologies
+//
+// See: https://www.a11yproject.com/posts/2013-01-11-how-to-hide-content/
+// See: https://hugogiraudel.com/2016/10/13/css-hide-and-seek/
+
+@mixin visually-hidden() {
+  position: absolute !important;
+  width: 1px !important;
+  height: 1px !important;
+  padding: 0 !important;
+  margin: -1px !important; // Fix for https://github.com/twbs/bootstrap/issues/25686
+  overflow: hidden !important;
+  clip: rect(0, 0, 0, 0) !important;
+  white-space: nowrap !important;
+  border: 0 !important;
+}
+
+// Use to only display content when it's focused, or one of its child elements is focused
+// (i.e. when focus is within the element/container that the class was applied to)
+//
+// Useful for "Skip to main content" links; see https://www.w3.org/TR/2013/NOTE-WCAG20-TECHS-20130905/G1
+
+@mixin visually-hidden-focusable() {
+  &:not(:focus):not(:focus-within) {
+    @include visually-hidden();
+  }
+}
diff --git a/sass/vendor/bootstrap/scss/utilities/_align.scss b/sass/vendor/bootstrap/scss/utilities/_align.scss
deleted file mode 100755
index 4dbbbc2..0000000
--- a/sass/vendor/bootstrap/scss/utilities/_align.scss
+++ /dev/null
@@ -1,6 +0,0 @@
-.align-baseline    { vertical-align: baseline !important; } // Browser default
-.align-top         { vertical-align: top !important; }
-.align-middle      { vertical-align: middle !important; }
-.align-bottom      { vertical-align: bottom !important; }
-.align-text-bottom { vertical-align: text-bottom !important; }
-.align-text-top    { vertical-align: text-top !important; }
diff --git a/sass/vendor/bootstrap/scss/utilities/_api.scss b/sass/vendor/bootstrap/scss/utilities/_api.scss
new file mode 100644
index 0000000..62e1d39
--- /dev/null
+++ b/sass/vendor/bootstrap/scss/utilities/_api.scss
@@ -0,0 +1,47 @@
+// Loop over each breakpoint
+@each $breakpoint in map-keys($grid-breakpoints) {
+
+  // Generate media query if needed
+  @include media-breakpoint-up($breakpoint) {
+    $infix: breakpoint-infix($breakpoint, $grid-breakpoints);
+
+    // Loop over each utility property
+    @each $key, $utility in $utilities {
+      // The utility can be disabled with `false`, thus check if the utility is a map first
+      // Only proceed if responsive media queries are enabled or if it's the base media query
+      @if type-of($utility) == "map" and (map-get($utility, responsive) or $infix == "") {
+        @include generate-utility($utility, $infix);
+      }
+    }
+  }
+}
+
+// RFS rescaling
+@media (min-width: $rfs-mq-value) {
+  @each $breakpoint in map-keys($grid-breakpoints) {
+    $infix: breakpoint-infix($breakpoint, $grid-breakpoints);
+
+    @if (map-get($grid-breakpoints, $breakpoint) < $rfs-breakpoint) {
+      // Loop over each utility property
+      @each $key, $utility in $utilities {
+        // The utility can be disabled with `false`, thus check if the utility is a map first
+        // Only proceed if responsive media queries are enabled or if it's the base media query
+        @if type-of($utility) == "map" and map-get($utility, rfs) and (map-get($utility, responsive) or $infix == "") {
+          @include generate-utility($utility, $infix, true);
+        }
+      }
+    }
+  }
+}
+
+
+// Print utilities
+@media print {
+  @each $key, $utility in $utilities {
+    // The utility can be disabled with `false`, thus check if the utility is a map first
+    // Then check if the utility needs print styles
+    @if type-of($utility) == "map" and map-get($utility, print) == true {
+      @include generate-utility($utility, "-print");
+    }
+  }
+}
diff --git a/sass/vendor/bootstrap/scss/utilities/_background.scss b/sass/vendor/bootstrap/scss/utilities/_background.scss
deleted file mode 100755
index b9ac295..0000000
--- a/sass/vendor/bootstrap/scss/utilities/_background.scss
+++ /dev/null
@@ -1,19 +0,0 @@
-//
-// Contextual backgrounds
-//
-
-.bg-faded {
-  background-color: darken($body-bg, 3%);
-}
-
-@include bg-variant('.bg-primary', $brand-primary);
-
-@include bg-variant('.bg-success', $brand-success);
-
-@include bg-variant('.bg-info', $brand-info);
-
-@include bg-variant('.bg-warning', $brand-warning);
-
-@include bg-variant('.bg-danger', $brand-danger);
-
-@include bg-variant('.bg-inverse', $brand-inverse);
diff --git a/sass/vendor/bootstrap/scss/utilities/_borders.scss b/sass/vendor/bootstrap/scss/utilities/_borders.scss
deleted file mode 100755
index b256881..0000000
--- a/sass/vendor/bootstrap/scss/utilities/_borders.scss
+++ /dev/null
@@ -1,37 +0,0 @@
-//
-// Border
-//
-
-.border-0        { border: 0 !important; }
-.border-top-0    { border-top: 0 !important; }
-.border-right-0  { border-right: 0 !important; }
-.border-bottom-0 { border-bottom: 0 !important; }
-.border-left-0   { border-left: 0 !important; }
-
-//
-// Border-radius
-//
-
-.rounded {
-  @include border-radius($border-radius);
-}
-.rounded-top {
-  @include border-top-radius($border-radius);
-}
-.rounded-right {
-  @include border-right-radius($border-radius);
-}
-.rounded-bottom {
-  @include border-bottom-radius($border-radius);
-}
-.rounded-left {
-  @include border-left-radius($border-radius);
-}
-
-.rounded-circle {
-  border-radius: 50%;
-}
-
-.rounded-0 {
-  border-radius: 0;
-}
diff --git a/sass/vendor/bootstrap/scss/utilities/_display.scss b/sass/vendor/bootstrap/scss/utilities/_display.scss
deleted file mode 100755
index ae942a6..0000000
--- a/sass/vendor/bootstrap/scss/utilities/_display.scss
+++ /dev/null
@@ -1,18 +0,0 @@
-//
-// Display utilities
-//
-
-@each $breakpoint in map-keys($grid-breakpoints) {
-  @include media-breakpoint-up($breakpoint) {
-    $infix: breakpoint-infix($breakpoint, $grid-breakpoints);
-
-    .d#{$infix}-none         { display: none !important; }
-    .d#{$infix}-inline       { display: inline !important; }
-    .d#{$infix}-inline-block { display: inline-block !important; }
-    .d#{$infix}-block        { display: block !important; }
-    .d#{$infix}-table        { display: table !important; }
-    .d#{$infix}-table-cell   { display: table-cell !important; }
-    .d#{$infix}-flex         { display: flex !important; }
-    .d#{$infix}-inline-flex  { display: inline-flex !important; }
-  }
-}
diff --git a/sass/vendor/bootstrap/scss/utilities/_flex.scss b/sass/vendor/bootstrap/scss/utilities/_flex.scss
deleted file mode 100755
index 1b98aaa..0000000
--- a/sass/vendor/bootstrap/scss/utilities/_flex.scss
+++ /dev/null
@@ -1,48 +0,0 @@
-// Flex variation
-//
-// Custom styles for additional flex alignment options.
-
-@each $breakpoint in map-keys($grid-breakpoints) {
-  @include media-breakpoint-up($breakpoint) {
-    $infix: breakpoint-infix($breakpoint, $grid-breakpoints);
-
-    .flex#{$infix}-first     { order: -1; }
-    .flex#{$infix}-last      { order: 1; }
-    .flex#{$infix}-unordered { order: 0; }
-
-    .flex#{$infix}-row            { flex-direction: row !important; }
-    .flex#{$infix}-column         { flex-direction: column !important; }
-    .flex#{$infix}-row-reverse    { flex-direction: row-reverse !important; }
-    .flex#{$infix}-column-reverse { flex-direction: column-reverse !important; }
-
-    .flex#{$infix}-wrap         { flex-wrap: wrap !important; }
-    .flex#{$infix}-nowrap       { flex-wrap: nowrap !important; }
-    .flex#{$infix}-wrap-reverse { flex-wrap: wrap-reverse !important; }
-
-    .justify-content#{$infix}-start   { justify-content: flex-start !important; }
-    .justify-content#{$infix}-end     { justify-content: flex-end !important; }
-    .justify-content#{$infix}-center  { justify-content: center !important; }
-    .justify-content#{$infix}-between { justify-content: space-between !important; }
-    .justify-content#{$infix}-around  { justify-content: space-around !important; }
-
-    .align-items#{$infix}-start    { align-items: flex-start !important; }
-    .align-items#{$infix}-end      { align-items: flex-end !important; }
-    .align-items#{$infix}-center   { align-items: center !important; }
-    .align-items#{$infix}-baseline { align-items: baseline !important; }
-    .align-items#{$infix}-stretch  { align-items: stretch !important; }
-
-    .align-content#{$infix}-start   { align-content: flex-start !important; }
-    .align-content#{$infix}-end     { align-content: flex-end !important; }
-    .align-content#{$infix}-center  { align-content: center !important; }
-    .align-content#{$infix}-between { align-content: space-between !important; }
-    .align-content#{$infix}-around  { align-content: space-around !important; }
-    .align-content#{$infix}-stretch { align-content: stretch !important; }
-
-    .align-self#{$infix}-auto     { align-self: auto !important; }
-    .align-self#{$infix}-start    { align-self: flex-start !important; }
-    .align-self#{$infix}-end      { align-self: flex-end !important; }
-    .align-self#{$infix}-center   { align-self: center !important; }
-    .align-self#{$infix}-baseline { align-self: baseline !important; }
-    .align-self#{$infix}-stretch  { align-self: stretch !important; }
-  }
-}
diff --git a/sass/vendor/bootstrap/scss/utilities/_float.scss b/sass/vendor/bootstrap/scss/utilities/_float.scss
deleted file mode 100755
index 01655e9..0000000
--- a/sass/vendor/bootstrap/scss/utilities/_float.scss
+++ /dev/null
@@ -1,9 +0,0 @@
-@each $breakpoint in map-keys($grid-breakpoints) {
-  @include media-breakpoint-up($breakpoint) {
-    $infix: breakpoint-infix($breakpoint, $grid-breakpoints);
-
-    .float#{$infix}-left  { @include float-left; }
-    .float#{$infix}-right { @include float-right; }
-    .float#{$infix}-none  { @include float-none; }
-  }
-}
diff --git a/sass/vendor/bootstrap/scss/utilities/_position.scss b/sass/vendor/bootstrap/scss/utilities/_position.scss
deleted file mode 100755
index 2cf08bf..0000000
--- a/sass/vendor/bootstrap/scss/utilities/_position.scss
+++ /dev/null
@@ -1,23 +0,0 @@
-// Positioning
-
-.fixed-top {
-  position: fixed;
-  top: 0;
-  right: 0;
-  left: 0;
-  z-index: $zindex-fixed;
-}
-
-.fixed-bottom {
-  position: fixed;
-  right: 0;
-  bottom: 0;
-  left: 0;
-  z-index: $zindex-fixed;
-}
-
-.sticky-top {
-  position: sticky;
-  top: 0;
-  z-index: $zindex-sticky;
-}
diff --git a/sass/vendor/bootstrap/scss/utilities/_screenreaders.scss b/sass/vendor/bootstrap/scss/utilities/_screenreaders.scss
deleted file mode 100755
index 9f26fde..0000000
--- a/sass/vendor/bootstrap/scss/utilities/_screenreaders.scss
+++ /dev/null
@@ -1,11 +0,0 @@
-//
-// Screenreaders
-//
-
-.sr-only {
-  @include sr-only();
-}
-
-.sr-only-focusable {
-  @include sr-only-focusable();
-}
diff --git a/sass/vendor/bootstrap/scss/utilities/_sizing.scss b/sass/vendor/bootstrap/scss/utilities/_sizing.scss
deleted file mode 100755
index a7dc3e4..0000000
--- a/sass/vendor/bootstrap/scss/utilities/_sizing.scss
+++ /dev/null
@@ -1,10 +0,0 @@
-// Width and height
-
-@each $prop, $abbrev in (width: w, height: h) {
-  @each $size, $length in $sizes {
-    .#{$abbrev}-#{$size} { #{$prop}: $length !important; }
-  }
-}
-
-.mw-100 { max-width: 100% !important; }
-.mh-100 { max-height: 100% !important; }
diff --git a/sass/vendor/bootstrap/scss/utilities/_spacing.scss b/sass/vendor/bootstrap/scss/utilities/_spacing.scss
deleted file mode 100755
index 6056e2b..0000000
--- a/sass/vendor/bootstrap/scss/utilities/_spacing.scss
+++ /dev/null
@@ -1,43 +0,0 @@
-// Margin and Padding
-
-@each $breakpoint in map-keys($grid-breakpoints) {
-  @include media-breakpoint-up($breakpoint) {
-    $infix: breakpoint-infix($breakpoint, $grid-breakpoints);
-
-    @each $prop, $abbrev in (margin: m, padding: p) {
-      @each $size, $lengths in $spacers {
-        $length-x: map-get($lengths, x);
-        $length-y: map-get($lengths, y);
-
-        .#{$abbrev}#{$infix}-#{$size}  { #{$prop}:        $length-y $length-x !important; }
-        .#{$abbrev}t#{$infix}-#{$size} { #{$prop}-top:    $length-y !important; }
-        .#{$abbrev}r#{$infix}-#{$size} { #{$prop}-right:  $length-x !important; }
-        .#{$abbrev}b#{$infix}-#{$size} { #{$prop}-bottom: $length-y !important; }
-        .#{$abbrev}l#{$infix}-#{$size} { #{$prop}-left:   $length-x !important; }
-        .#{$abbrev}x#{$infix}-#{$size} {
-          #{$prop}-right: $length-x !important;
-          #{$prop}-left:  $length-x !important;
-        }
-        .#{$abbrev}y#{$infix}-#{$size} {
-          #{$prop}-top:    $length-y !important;
-          #{$prop}-bottom: $length-y !important;
-        }
-      }
-    }
-
-    // Some special margin utils
-    .m#{$infix}-auto  { margin:        auto !important; }
-    .mt#{$infix}-auto { margin-top:    auto !important; }
-    .mr#{$infix}-auto { margin-right:  auto !important; }
-    .mb#{$infix}-auto { margin-bottom: auto !important; }
-    .ml#{$infix}-auto { margin-left:   auto !important; }
-    .mx#{$infix}-auto {
-      margin-right: auto !important;
-      margin-left:  auto !important;
-    }
-    .my#{$infix}-auto {
-      margin-top:    auto !important;
-      margin-bottom: auto !important;
-    }
-  }
-}
diff --git a/sass/vendor/bootstrap/scss/utilities/_text.scss b/sass/vendor/bootstrap/scss/utilities/_text.scss
deleted file mode 100755
index 4ac9053..0000000
--- a/sass/vendor/bootstrap/scss/utilities/_text.scss
+++ /dev/null
@@ -1,61 +0,0 @@
-//
-// Text
-//
-
-// Alignment
-
-.text-justify  { text-align: justify !important; }
-.text-nowrap   { white-space: nowrap !important; }
-.text-truncate { @include text-truncate; }
-
-// Responsive alignment
-
-@each $breakpoint in map-keys($grid-breakpoints) {
-  @include media-breakpoint-up($breakpoint) {
-    $infix: breakpoint-infix($breakpoint, $grid-breakpoints);
-
-    .text#{$infix}-left   { text-align: left !important; }
-    .text#{$infix}-right  { text-align: right !important; }
-    .text#{$infix}-center { text-align: center !important; }
-  }
-}
-
-// Transformation
-
-.text-lowercase  { text-transform: lowercase !important; }
-.text-uppercase  { text-transform: uppercase !important; }
-.text-capitalize { text-transform: capitalize !important; }
-
-// Weight and italics
-
-.font-weight-normal { font-weight: $font-weight-normal; }
-.font-weight-bold   { font-weight: $font-weight-bold; }
-.font-italic        { font-style: italic; }
-
-// Contextual colors
-
-.text-white {
-  color: #fff !important;
-}
-
-@include text-emphasis-variant('.text-muted', $text-muted);
-
-@include text-emphasis-variant('.text-primary', $brand-primary);
-
-@include text-emphasis-variant('.text-success', $brand-success);
-
-@include text-emphasis-variant('.text-info', $brand-info);
-
-@include text-emphasis-variant('.text-warning', $brand-warning);
-
-@include text-emphasis-variant('.text-danger', $brand-danger);
-
-// Font color
-
-@include text-emphasis-variant('.text-gray-dark', $gray-dark);
-
-// Misc
-
-.text-hide {
-  @include text-hide();
-}
diff --git a/sass/vendor/bootstrap/scss/utilities/_visibility.scss b/sass/vendor/bootstrap/scss/utilities/_visibility.scss
deleted file mode 100755
index fcedc9c..0000000
--- a/sass/vendor/bootstrap/scss/utilities/_visibility.scss
+++ /dev/null
@@ -1,55 +0,0 @@
-//
-// Visibility utilities
-//
-
-.invisible {
-  @include invisible();
-}
-
-// Responsive visibility utilities
-
-@each $bp in map-keys($grid-breakpoints) {
-  .hidden-#{$bp}-up {
-    @include media-breakpoint-up($bp) {
-      display: none !important;
-    }
-  }
-  .hidden-#{$bp}-down {
-    @include media-breakpoint-down($bp) {
-      display: none !important;
-    }
-  }
-}
-
-
-// Print utilities
-//
-// Media queries are placed on the inside to be mixin-friendly.
-
-.visible-print-block {
-  display: none !important;
-
-  @media print {
-    display: block !important;
-  }
-}
-.visible-print-inline {
-  display: none !important;
-
-  @media print {
-    display: inline !important;
-  }
-}
-.visible-print-inline-block {
-  display: none !important;
-
-  @media print {
-    display: inline-block !important;
-  }
-}
-
-.hidden-print {
-  @media print {
-    display: none !important;
-  }
-}
diff --git a/sass/vendor/bootstrap/scss/vendor/_rfs.scss b/sass/vendor/bootstrap/scss/vendor/_rfs.scss
new file mode 100644
index 0000000..7e9a6c7
--- /dev/null
+++ b/sass/vendor/bootstrap/scss/vendor/_rfs.scss
@@ -0,0 +1,354 @@
+// stylelint-disable property-blacklist, scss/dollar-variable-default
+
+// SCSS RFS mixin
+//
+// Automated responsive values for font sizes, paddings, margins and much more
+//
+// Licensed under MIT (https://github.com/twbs/rfs/blob/main/LICENSE)
+
+// Configuration
+
+// Base value
+$rfs-base-value: 1.25rem !default;
+$rfs-unit: rem !default;
+
+@if $rfs-unit != rem and $rfs-unit != px {
+  @error "`#{$rfs-unit}` is not a valid unit for $rfs-unit. Use `px` or `rem`.";
+}
+
+// Breakpoint at where values start decreasing if screen width is smaller
+$rfs-breakpoint: 1200px !default;
+$rfs-breakpoint-unit: px !default;
+
+@if $rfs-breakpoint-unit != px and $rfs-breakpoint-unit != em and $rfs-breakpoint-unit != rem {
+  @error "`#{$rfs-breakpoint-unit}` is not a valid unit for $rfs-breakpoint-unit. Use `px`, `em` or `rem`.";
+}
+
+// Resize values based on screen height and width
+$rfs-two-dimensional: false !default;
+
+// Factor of decrease
+$rfs-factor: 10 !default;
+
+@if type-of($rfs-factor) != number or $rfs-factor <= 1 {
+  @error "`#{$rfs-factor}` is not a valid  $rfs-factor, it must be greater than 1.";
+}
+
+// Mode. Possibilities: "min-media-query", "max-media-query"
+$rfs-mode: min-media-query !default;
+
+// Generate enable or disable classes. Possibilities: false, "enable" or "disable"
+$rfs-class: false !default;
+
+// 1 rem = $rfs-rem-value px
+$rfs-rem-value: 16 !default;
+
+// Safari iframe resize bug: https://github.com/twbs/rfs/issues/14
+$rfs-safari-iframe-resize-bug-fix: false !default;
+
+// Disable RFS by setting $enable-rfs to false
+$enable-rfs: true !default;
+
+// Cache $rfs-base-value unit
+$rfs-base-value-unit: unit($rfs-base-value);
+
+@function divide($dividend, $divisor, $precision: 10) {
+  $sign: if($dividend > 0 and $divisor > 0 or $dividend < 0 and $divisor < 0, 1, -1);
+  $dividend: abs($dividend);
+  $divisor: abs($divisor);
+  @if $dividend == 0 {
+    @return 0;
+  }
+  @if $divisor == 0 {
+    @error "Cannot divide by 0";
+  }
+  $remainder: $dividend;
+  $result: 0;
+  $factor: 10;
+  @while ($remainder > 0 and $precision >= 0) {
+    $quotient: 0;
+    @while ($remainder >= $divisor) {
+      $remainder: $remainder - $divisor;
+      $quotient: $quotient + 1;
+    }
+    $result: $result * 10 + $quotient;
+    $factor: $factor * .1;
+    $remainder: $remainder * 10;
+    $precision: $precision - 1;
+    @if ($precision < 0 and $remainder >= $divisor * 5) {
+      $result: $result + 1;
+    }
+  }
+  $result: $result * $factor * $sign;
+  $dividend-unit: unit($dividend);
+  $divisor-unit: unit($divisor);
+  $unit-map: (
+    "px": 1px,
+    "rem": 1rem,
+    "em": 1em,
+    "%": 1%
+  );
+  @if ($dividend-unit != $divisor-unit and map-has-key($unit-map, $dividend-unit)) {
+    $result: $result * map-get($unit-map, $dividend-unit);
+  }
+  @return $result;
+}
+
+// Remove px-unit from $rfs-base-value for calculations
+@if $rfs-base-value-unit == px {
+  $rfs-base-value: divide($rfs-base-value, $rfs-base-value * 0 + 1);
+}
+@else if $rfs-base-value-unit == rem {
+  $rfs-base-value: divide($rfs-base-value, divide($rfs-base-value * 0 + 1, $rfs-rem-value));
+}
+
+// Cache $rfs-breakpoint unit to prevent multiple calls
+$rfs-breakpoint-unit-cache: unit($rfs-breakpoint);
+
+// Remove unit from $rfs-breakpoint for calculations
+@if $rfs-breakpoint-unit-cache == px {
+  $rfs-breakpoint: divide($rfs-breakpoint, $rfs-breakpoint * 0 + 1);
+}
+@else if $rfs-breakpoint-unit-cache == rem or $rfs-breakpoint-unit-cache == "em" {
+  $rfs-breakpoint: divide($rfs-breakpoint, divide($rfs-breakpoint * 0 + 1, $rfs-rem-value));
+}
+
+// Calculate the media query value
+$rfs-mq-value: if($rfs-breakpoint-unit == px, #{$rfs-breakpoint}px, #{divide($rfs-breakpoint, $rfs-rem-value)}#{$rfs-breakpoint-unit});
+$rfs-mq-property-width: if($rfs-mode == max-media-query, max-width, min-width);
+$rfs-mq-property-height: if($rfs-mode == max-media-query, max-height, min-height);
+
+// Internal mixin used to determine which media query needs to be used
+@mixin _rfs-media-query {
+  @if $rfs-two-dimensional {
+    @if $rfs-mode == max-media-query {
+      @media (#{$rfs-mq-property-width}: #{$rfs-mq-value}), (#{$rfs-mq-property-height}: #{$rfs-mq-value}) {
+        @content;
+      }
+    }
+    @else {
+      @media (#{$rfs-mq-property-width}: #{$rfs-mq-value}) and (#{$rfs-mq-property-height}: #{$rfs-mq-value}) {
+        @content;
+      }
+    }
+  }
+  @else {
+    @media (#{$rfs-mq-property-width}: #{$rfs-mq-value}) {
+      @content;
+    }
+  }
+}
+
+// Internal mixin that adds disable classes to the selector if needed.
+@mixin _rfs-rule {
+  @if $rfs-class == disable and $rfs-mode == max-media-query {
+    // Adding an extra class increases specificity, which prevents the media query to override the property
+    &,
+    .disable-rfs &,
+    &.disable-rfs {
+      @content;
+    }
+  }
+  @else if $rfs-class == enable and $rfs-mode == min-media-query {
+    .enable-rfs &,
+    &.enable-rfs {
+      @content;
+    }
+  }
+  @else {
+    @content;
+  }
+}
+
+// Internal mixin that adds enable classes to the selector if needed.
+@mixin _rfs-media-query-rule {
+
+  @if $rfs-class == enable {
+    @if $rfs-mode == min-media-query {
+      @content;
+    }
+
+    @include _rfs-media-query {
+      .enable-rfs &,
+      &.enable-rfs {
+        @content;
+      }
+    }
+  }
+  @else {
+    @if $rfs-class == disable and $rfs-mode == min-media-query {
+      .disable-rfs &,
+      &.disable-rfs {
+        @content;
+      }
+    }
+    @include _rfs-media-query {
+      @content;
+    }
+  }
+}
+
+// Helper function to get the formatted non-responsive value
+@function rfs-value($values) {
+  // Convert to list
+  $values: if(type-of($values) != list, ($values,), $values);
+
+  $val: '';
+
+  // Loop over each value and calculate value
+  @each $value in $values {
+    @if $value == 0 {
+      $val: $val + ' 0';
+    }
+    @else {
+      // Cache $value unit
+      $unit: if(type-of($value) == "number", unit($value), false);
+
+      @if $unit == px {
+        // Convert to rem if needed
+        $val: $val + ' ' + if($rfs-unit == rem, #{divide($value, $value * 0 + $rfs-rem-value)}rem, $value);
+      }
+      @else if $unit == rem {
+        // Convert to px if needed
+        $val: $val + ' ' + if($rfs-unit == px, #{divide($value, $value * 0 + 1) * $rfs-rem-value}px, $value);
+      }
+      @else {
+        // If $value isn't a number (like inherit) or $value has a unit (not px or rem, like 1.5em) or $ is 0, just print the value
+        $val: $val + ' ' + $value;
+      }
+    }
+  }
+
+  // Remove first space
+  @return unquote(str-slice($val, 2));
+}
+
+// Helper function to get the responsive value calculated by RFS
+@function rfs-fluid-value($values) {
+  // Convert to list
+  $values: if(type-of($values) != list, ($values,), $values);
+
+  $val: '';
+
+  // Loop over each value and calculate value
+  @each $value in $values {
+    @if $value == 0 {
+      $val: $val + ' 0';
+    }
+
+    @else {
+      // Cache $value unit
+      $unit: if(type-of($value) == "number", unit($value), false);
+
+      // If $value isn't a number (like inherit) or $value has a unit (not px or rem, like 1.5em) or $ is 0, just print the value
+      @if not $unit or $unit != px and $unit != rem {
+        $val: $val + ' ' + $value;
+      }
+
+      @else {
+        // Remove unit from $value for calculations
+        $value: divide($value, $value * 0 + if($unit == px, 1, divide(1, $rfs-rem-value)));
+
+        // Only add the media query if the value is greater than the minimum value
+        @if abs($value) <= $rfs-base-value or not $enable-rfs {
+          $val: $val + ' ' +  if($rfs-unit == rem, #{divide($value, $rfs-rem-value)}rem, #{$value}px);
+        }
+        @else {
+          // Calculate the minimum value
+          $value-min: $rfs-base-value + divide(abs($value) - $rfs-base-value, $rfs-factor);
+
+          // Calculate difference between $value and the minimum value
+          $value-diff: abs($value) - $value-min;
+
+          // Base value formatting
+          $min-width: if($rfs-unit == rem, #{divide($value-min, $rfs-rem-value)}rem, #{$value-min}px);
+
+          // Use negative value if needed
+          $min-width: if($value < 0, -$min-width, $min-width);
+
+          // Use `vmin` if two-dimensional is enabled
+          $variable-unit: if($rfs-two-dimensional, vmin, vw);
+
+          // Calculate the variable width between 0 and $rfs-breakpoint
+          $variable-width: #{divide($value-diff * 100, $rfs-breakpoint)}#{$variable-unit};
+
+          // Return the calculated value
+          $val: $val + ' calc(' + $min-width + if($value < 0, ' - ', ' + ') + $variable-width + ')';
+        }
+      }
+    }
+  }
+
+  // Remove first space
+  @return unquote(str-slice($val, 2));
+}
+
+// RFS mixin
+@mixin rfs($values, $property: font-size) {
+  @if $values != null {
+    $val: rfs-value($values);
+    $fluidVal: rfs-fluid-value($values);
+
+    // Do not print the media query if responsive & non-responsive values are the same
+    @if $val == $fluidVal {
+      #{$property}: $val;
+    }
+    @else {
+      @include _rfs-rule {
+        #{$property}: if($rfs-mode == max-media-query, $val, $fluidVal);
+
+        // Include safari iframe resize fix if needed
+        min-width: if($rfs-safari-iframe-resize-bug-fix, (0 * 1vw), null);
+      }
+
+      @include _rfs-media-query-rule {
+        #{$property}: if($rfs-mode == max-media-query, $fluidVal, $val);
+      }
+    }
+  }
+}
+
+// Shorthand helper mixins
+@mixin font-size($value) {
+  @include rfs($value);
+}
+
+@mixin padding($value) {
+  @include rfs($value, padding);
+}
+
+@mixin padding-top($value) {
+  @include rfs($value, padding-top);
+}
+
+@mixin padding-right($value) {
+  @include rfs($value, padding-right);
+}
+
+@mixin padding-bottom($value) {
+  @include rfs($value, padding-bottom);
+}
+
+@mixin padding-left($value) {
+  @include rfs($value, padding-left);
+}
+
+@mixin margin($value) {
+  @include rfs($value, margin);
+}
+
+@mixin margin-top($value) {
+  @include rfs($value, margin-top);
+}
+
+@mixin margin-right($value) {
+  @include rfs($value, margin-right);
+}
+
+@mixin margin-bottom($value) {
+  @include rfs($value, margin-bottom);
+}
+
+@mixin margin-left($value) {
+  @include rfs($value, margin-left);
+}