rake update[v4-dev]

69 files changed, 2097 insertions, 1765 deletions

diff --git a/assets/javascripts/bootstrap.js b/assets/javascripts/bootstrap.js
index 2568773..3b5aff5 100644
--- a/assets/javascripts/bootstrap.js
+++ b/assets/javascripts/bootstrap.js
@@ -8,16 +8,14 @@ if (typeof jQuery === 'undefined') {
   throw new Error('Bootstrap\'s JavaScript requires jQuery. jQuery must be included before Bootstrap\'s JavaScript.')
 }
 
-+function ($) {
+(function ($) {
   var version = $.fn.jquery.split(' ')[0].split('.')
   if ((version[0] < 2 && version[1] < 9) || (version[0] == 1 && version[1] == 9 && version[2] < 1) || (version[0] >= 4)) {
     throw new Error('Bootstrap\'s JavaScript requires at least jQuery v1.9.1 but less than v4.0.0')
   }
-}(jQuery);
-
-
-+function () {
+})(jQuery);
 
+(function () {
 var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };
 
 var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
@@ -141,13 +139,16 @@ var Util = function ($) {
     },
     getSelectorFromElement: function getSelectorFromElement(element) {
       var selector = element.getAttribute('data-target');
-
-      if (!selector) {
+      if (!selector || selector === '#') {
         selector = element.getAttribute('href') || '';
-        selector = /^#[a-z]/i.test(selector) ? selector : null;
       }
 
-      return selector;
+      try {
+        var $selector = $(selector);
+        return $selector.length > 0 ? selector : null;
+      } catch (error) {
+        return null;
+      }
     },
     reflow: function reflow(element) {
       return element.offsetHeight;
@@ -417,6 +418,7 @@ var Button = function ($) {
 
     Button.prototype.toggle = function toggle() {
       var triggerChangeEvent = true;
+      var addAriaPressed = true;
       var rootElement = $(this._element).closest(Selector.DATA_TOGGLE)[0];
 
       if (rootElement) {
@@ -436,15 +438,21 @@ var Button = function ($) {
           }
 
           if (triggerChangeEvent) {
+            if (input.hasAttribute('disabled') || rootElement.hasAttribute('disabled') || input.classList.contains('disabled') || rootElement.classList.contains('disabled')) {
+              return;
+            }
             input.checked = !$(this._element).hasClass(ClassName.ACTIVE);
             $(input).trigger('change');
           }
 
           input.focus();
+          addAriaPressed = false;
         }
       }
 
-      this._element.setAttribute('aria-pressed', !$(this._element).hasClass(ClassName.ACTIVE));
+      if (addAriaPressed) {
+        this._element.setAttribute('aria-pressed', !$(this._element).hasClass(ClassName.ACTIVE));
+      }
 
       if (triggerChangeEvent) {
         $(this._element).toggleClass(ClassName.ACTIVE);
@@ -544,6 +552,7 @@ var Carousel = function ($) {
   var TRANSITION_DURATION = 600;
   var ARROW_LEFT_KEYCODE = 37; // KeyboardEvent.which value for left arrow key
   var ARROW_RIGHT_KEYCODE = 39; // KeyboardEvent.which value for right arrow key
+  var TOUCHEVENT_COMPAT_WAIT = 500; // Time for mouse compat events to fire after touch
 
   var Default = {
     interval: 5000,
@@ -574,6 +583,7 @@ var Carousel = function ($) {
     KEYDOWN: 'keydown' + EVENT_KEY,
     MOUSEENTER: 'mouseenter' + EVENT_KEY,
     MOUSELEAVE: 'mouseleave' + EVENT_KEY,
+    TOUCHEND: 'touchend' + EVENT_KEY,
     LOAD_DATA_API: 'load' + EVENT_KEY + DATA_API_KEY,
     CLICK_DATA_API: 'click' + EVENT_KEY + DATA_API_KEY
   };
@@ -616,6 +626,8 @@ var Carousel = function ($) {
       this._isPaused = false;
       this._isSliding = false;
 
+      this.touchTimeout = null;
+
       this._config = this._getConfig(config);
       this._element = $(element)[0];
       this._indicatorsElement = $(this._element).find(Selector.INDICATORS)[0];
@@ -628,10 +640,9 @@ var Carousel = function ($) {
     // public
 
     Carousel.prototype.next = function next() {
-      if (this._isSliding) {
-        throw new Error('Carousel is sliding');
+      if (!this._isSliding) {
+        this._slide(Direction.NEXT);
       }
-      this._slide(Direction.NEXT);
     };
 
     Carousel.prototype.nextWhenVisible = function nextWhenVisible() {
@@ -642,10 +653,9 @@ var Carousel = function ($) {
     };
 
     Carousel.prototype.prev = function prev() {
-      if (this._isSliding) {
-        throw new Error('Carousel is sliding');
+      if (!this._isSliding) {
+        this._slide(Direction.PREV);
       }
-      this._slide(Direction.PREVIOUS);
     };
 
     Carousel.prototype.pause = function pause(event) {
@@ -701,7 +711,7 @@ var Carousel = function ($) {
         return;
       }
 
-      var direction = index > activeIndex ? Direction.NEXT : Direction.PREVIOUS;
+      var direction = index > activeIndex ? Direction.NEXT : Direction.PREV;
 
       this._slide(direction, this._items[index]);
     };
@@ -737,12 +747,30 @@ var Carousel = function ($) {
         });
       }
 
-      if (this._config.pause === 'hover' && !('ontouchstart' in document.documentElement)) {
+      if (this._config.pause === 'hover') {
         $(this._element).on(Event.MOUSEENTER, function (event) {
           return _this4.pause(event);
         }).on(Event.MOUSELEAVE, function (event) {
           return _this4.cycle(event);
         });
+        if ('ontouchstart' in document.documentElement) {
+          // if it's a touch-enabled device, mouseenter/leave are fired as
+          // part of the mouse compatibility events on first tap - the carousel
+          // would stop cycling until user tapped out of it;
+          // here, we listen for touchend, explicitly pause the carousel
+          // (as if it's the second time we tap on it, mouseenter compat event
+          // is NOT fired) and after a timeout (to allow for mouse compatibility
+          // events to fire) we explicitly restart cycling
+          $(this._element).on(Event.TOUCHEND, function () {
+            _this4.pause();
+            if (_this4.touchTimeout) {
+              clearTimeout(_this4.touchTimeout);
+            }
+            _this4.touchTimeout = setTimeout(function (event) {
+              return _this4.cycle(event);
+            }, TOUCHEVENT_COMPAT_WAIT + _this4._config.interval);
+          });
+        }
       }
     };
 
@@ -772,7 +800,7 @@ var Carousel = function ($) {
 
     Carousel.prototype._getItemByDirection = function _getItemByDirection(direction, activeElement) {
       var isNextDirection = direction === Direction.NEXT;
-      var isPrevDirection = direction === Direction.PREVIOUS;
+      var isPrevDirection = direction === Direction.PREV;
       var activeIndex = this._getItemIndex(activeElement);
       var lastItemIndex = this._items.length - 1;
       var isGoingToWrap = isPrevDirection && activeIndex === 0 || isNextDirection && activeIndex === lastItemIndex;
@@ -781,16 +809,20 @@ var Carousel = function ($) {
         return activeElement;
       }
 
-      var delta = direction === Direction.PREVIOUS ? -1 : 1;
+      var delta = direction === Direction.PREV ? -1 : 1;
       var itemIndex = (activeIndex + delta) % this._items.length;
 
       return itemIndex === -1 ? this._items[this._items.length - 1] : this._items[itemIndex];
     };
 
     Carousel.prototype._triggerSlideEvent = function _triggerSlideEvent(relatedTarget, eventDirectionName) {
+      var targetIndex = this._getItemIndex(relatedTarget);
+      var fromIndex = this._getItemIndex($(this._element).find(Selector.ACTIVE_ITEM)[0]);
       var slideEvent = $.Event(Event.SLIDE, {
         relatedTarget: relatedTarget,
-        direction: eventDirectionName
+        direction: eventDirectionName,
+        from: fromIndex,
+        to: targetIndex
       });
 
       $(this._element).trigger(slideEvent);
@@ -814,8 +846,9 @@ var Carousel = function ($) {
       var _this5 = this;
 
       var activeElement = $(this._element).find(Selector.ACTIVE_ITEM)[0];
+      var activeElementIndex = this._getItemIndex(activeElement);
       var nextElement = element || activeElement && this._getItemByDirection(direction, activeElement);
-
+      var nextElementIndex = this._getItemIndex(nextElement);
       var isCycling = Boolean(this._interval);
 
       var directionalClassName = void 0;
@@ -857,7 +890,9 @@ var Carousel = function ($) {
 
       var slidEvent = $.Event(Event.SLID, {
         relatedTarget: nextElement,
-        direction: eventDirectionName
+        direction: eventDirectionName,
+        from: activeElementIndex,
+        to: nextElementIndex
       });
 
       if (Util.supportsTransitionEnd() && $(this._element).hasClass(ClassName.SLIDE)) {
@@ -1054,7 +1089,7 @@ var Collapse = function ($) {
   };
 
   var Selector = {
-    ACTIVES: '.card > .show, .card > .collapsing',
+    ACTIVES: '.show, .collapsing',
     DATA_TOGGLE: '[data-toggle="collapse"]'
   };
 
@@ -1099,11 +1134,7 @@ var Collapse = function ($) {
     Collapse.prototype.show = function show() {
       var _this6 = this;
 
-      if (this._isTransitioning) {
-        throw new Error('Collapse is transitioning');
-      }
-
-      if ($(this._element).hasClass(ClassName.SHOW)) {
+      if (this._isTransitioning || $(this._element).hasClass(ClassName.SHOW)) {
         return;
       }
 
@@ -1111,7 +1142,7 @@ var Collapse = function ($) {
       var activesData = void 0;
 
       if (this._parent) {
-        actives = $.makeArray($(this._parent).find(Selector.ACTIVES));
+        actives = $.makeArray($(this._parent).children().children(Selector.ACTIVES));
         if (!actives.length) {
           actives = null;
         }
@@ -1142,7 +1173,6 @@ var Collapse = function ($) {
       $(this._element).removeClass(ClassName.COLLAPSE).addClass(ClassName.COLLAPSING);
 
       this._element.style[dimension] = 0;
-      this._element.setAttribute('aria-expanded', true);
 
       if (this._triggerArray.length) {
         $(this._triggerArray).removeClass(ClassName.COLLAPSED).attr('aria-expanded', true);
@@ -1176,11 +1206,7 @@ var Collapse = function ($) {
     Collapse.prototype.hide = function hide() {
       var _this7 = this;
 
-      if (this._isTransitioning) {
-        throw new Error('Collapse is transitioning');
-      }
-
-      if (!$(this._element).hasClass(ClassName.SHOW)) {
+      if (this._isTransitioning || !$(this._element).hasClass(ClassName.SHOW)) {
         return;
       }
 
@@ -1191,16 +1217,13 @@ var Collapse = function ($) {
       }
 
       var dimension = this._getDimension();
-      var offsetDimension = dimension === Dimension.WIDTH ? 'offsetWidth' : 'offsetHeight';
 
-      this._element.style[dimension] = this._element[offsetDimension] + 'px';
+      this._element.style[dimension] = this._element.getBoundingClientRect()[dimension] + 'px';
 
       Util.reflow(this._element);
 
       $(this._element).addClass(ClassName.COLLAPSING).removeClass(ClassName.COLLAPSE).removeClass(ClassName.SHOW);
 
-      this._element.setAttribute('aria-expanded', false);
-
       if (this._triggerArray.length) {
         $(this._triggerArray).addClass(ClassName.COLLAPSED).attr('aria-expanded', false);
       }
@@ -1266,7 +1289,6 @@ var Collapse = function ($) {
     Collapse.prototype._addAriaAndCollapsedClass = function _addAriaAndCollapsedClass(element, triggerArray) {
       if (element) {
         var isOpen = $(element).hasClass(ClassName.SHOW);
-        element.setAttribute('aria-expanded', isOpen);
 
         if (triggerArray.length) {
           $(triggerArray).toggleClass(ClassName.COLLAPSED, !isOpen).attr('aria-expanded', isOpen);
@@ -1327,7 +1349,9 @@ var Collapse = function ($) {
    */
 
   $(document).on(Event.CLICK_DATA_API, Selector.DATA_TOGGLE, function (event) {
-    event.preventDefault();
+    if (!/input|textarea/i.test(event.target.tagName)) {
+      event.preventDefault();
+    }
 
     var target = Collapse._getTargetFromElement(this);
     var data = $(target).data(DATA_KEY);
@@ -1352,6 +1376,8 @@ var Collapse = function ($) {
   return Collapse;
 }(jQuery);
 
+/* global Popper */
+
 /**
  * --------------------------------------------------------------------------
  * Bootstrap (v4.0.0-alpha.6): dropdown.js
@@ -1362,6 +1388,14 @@ var Collapse = function ($) {
 var Dropdown = function ($) {
 
   /**
+   * Check for Popper dependency
+   * Popper - https://popper.js.org
+   */
+  if (typeof Popper === 'undefined') {
+    throw new Error('Bootstrap dropdown require Popper.js (https://popper.js.org)');
+  }
+
+  /**
    * ------------------------------------------------------------------------
    * Constants
    * ------------------------------------------------------------------------
@@ -1374,9 +1408,12 @@ var Dropdown = function ($) {
   var DATA_API_KEY = '.data-api';
   var JQUERY_NO_CONFLICT = $.fn[NAME];
   var ESCAPE_KEYCODE = 27; // KeyboardEvent.which value for Escape (Esc) key
+  var SPACE_KEYCODE = 32; // KeyboardEvent.which value for space key
+  var TAB_KEYCODE = 9; // KeyboardEvent.which value for tab key
   var ARROW_UP_KEYCODE = 38; // KeyboardEvent.which value for up arrow key
   var ARROW_DOWN_KEYCODE = 40; // KeyboardEvent.which value for down arrow key
   var RIGHT_MOUSE_BUTTON_WHICH = 3; // MouseEvent.which value for the right button (assuming a right-handed mouse)
+  var REGEXP_KEYDOWN = new RegExp(ARROW_UP_KEYCODE + '|' + ARROW_DOWN_KEYCODE + '|' + ESCAPE_KEYCODE);
 
   var Event = {
     HIDE: 'hide' + EVENT_KEY,
@@ -1385,24 +1422,43 @@ var Dropdown = function ($) {
     SHOWN: 'shown' + EVENT_KEY,
     CLICK: 'click' + EVENT_KEY,
     CLICK_DATA_API: 'click' + EVENT_KEY + DATA_API_KEY,
-    FOCUSIN_DATA_API: 'focusin' + EVENT_KEY + DATA_API_KEY,
-    KEYDOWN_DATA_API: 'keydown' + EVENT_KEY + DATA_API_KEY
+    KEYDOWN_DATA_API: 'keydown' + EVENT_KEY + DATA_API_KEY,
+    KEYUP_DATA_API: 'keyup' + EVENT_KEY + DATA_API_KEY
   };
 
   var ClassName = {
-    BACKDROP: 'dropdown-backdrop',
     DISABLED: 'disabled',
-    SHOW: 'show'
+    SHOW: 'show',
+    DROPUP: 'dropup',
+    MENURIGHT: 'dropdown-menu-right',
+    MENULEFT: 'dropdown-menu-left'
   };
 
   var Selector = {
-    BACKDROP: '.dropdown-backdrop',
     DATA_TOGGLE: '[data-toggle="dropdown"]',
     FORM_CHILD: '.dropdown form',
-    ROLE_MENU: '[role="menu"]',
-    ROLE_LISTBOX: '[role="listbox"]',
+    MENU: '.dropdown-menu',
     NAVBAR_NAV: '.navbar-nav',
-    VISIBLE_ITEMS: '[role="menu"] li:not(.disabled) a, ' + '[role="listbox"] li:not(.disabled) a'
+    VISIBLE_ITEMS: '.dropdown-menu .dropdown-item:not(.disabled)'
+  };
+
+  var AttachmentMap = {
+    TOP: 'top-start',
+    TOPEND: 'top-end',
+    BOTTOM: 'bottom-start',
+    BOTTOMEND: 'bottom-end'
+  };
+
+  var Default = {
+    placement: AttachmentMap.BOTTOM,
+    offset: 0,
+    flip: true
+  };
+
+  var DefaultType = {
+    placement: 'string',
+    offset: '(number|string)',
+    flip: 'boolean'
   };
 
   /**
@@ -1412,10 +1468,13 @@ var Dropdown = function ($) {
    */
 
   var Dropdown = function () {
-    function Dropdown(element) {
+    function Dropdown(element, config) {
       _classCallCheck(this, Dropdown);
 
       this._element = element;
+      this._popper = null;
+      this._config = this._getConfig(config);
+      this._menu = this._getMenuElement();
 
       this._addEventListeners();
     }
@@ -1425,58 +1484,130 @@ var Dropdown = function ($) {
     // public
 
     Dropdown.prototype.toggle = function toggle() {
-      if (this.disabled || $(this).hasClass(ClassName.DISABLED)) {
-        return false;
+      if (this._element.disabled || $(this._element).hasClass(ClassName.DISABLED)) {
+        return;
       }
 
-      var parent = Dropdown._getParentFromElement(this);
-      var isActive = $(parent).hasClass(ClassName.SHOW);
+      var parent = Dropdown._getParentFromElement(this._element);
+      var isActive = $(this._menu).hasClass(ClassName.SHOW);
 
       Dropdown._clearMenus();
 
       if (isActive) {
-        return false;
-      }
-
-      if ('ontouchstart' in document.documentElement && !$(parent).closest(Selector.NAVBAR_NAV).length) {
-
-        // if mobile we use a backdrop because click events don't delegate
-        var dropdown = document.createElement('div');
-        dropdown.className = ClassName.BACKDROP;
-        $(dropdown).insertBefore(this);
-        $(dropdown).on('click', Dropdown._clearMenus);
+        return;
       }
 
       var relatedTarget = {
-        relatedTarget: this
+        relatedTarget: this._element
       };
       var showEvent = $.Event(Event.SHOW, relatedTarget);
 
       $(parent).trigger(showEvent);
 
       if (showEvent.isDefaultPrevented()) {
-        return false;
+        return;
       }
 
-      this.focus();
-      this.setAttribute('aria-expanded', true);
+      var element = this._element;
+      // for dropup with alignment we use the parent as popper container
+      if ($(parent).hasClass(ClassName.DROPUP)) {
+        if ($(this._menu).hasClass(ClassName.MENULEFT) || $(this._menu).hasClass(ClassName.MENURIGHT)) {
+          element = parent;
+        }
+      }
+      this._popper = new Popper(element, this._menu, {
+        placement: this._getPlacement(),
+        modifiers: {
+          offset: {
+            offset: this._config.offset
+          },
+          flip: {
+            enabled: this._config.flip
+          }
+        }
+      });
+
+      // if this is a touch-enabled device we add extra
+      // empty mouseover listeners to the body's immediate children;
+      // only needed because of broken event delegation on iOS
+      // https://www.quirksmode.org/blog/archives/2014/02/mouse_event_bub.html
+      if ('ontouchstart' in document.documentElement && !$(parent).closest(Selector.NAVBAR_NAV).length) {
+        $('body').children().on('mouseover', null, $.noop);
+      }
 
-      $(parent).toggleClass(ClassName.SHOW);
-      $(parent).trigger($.Event(Event.SHOWN, relatedTarget));
+      this._element.focus();
+      this._element.setAttribute('aria-expanded', true);
 
-      return false;
+      $(this._menu).toggleClass(ClassName.SHOW);
+      $(parent).toggleClass(ClassName.SHOW).trigger($.Event(Event.SHOWN, relatedTarget));
     };
 
     Dropdown.prototype.dispose = function dispose() {
       $.removeData(this._element, DATA_KEY);
       $(this._element).off(EVENT_KEY);
       this._element = null;
+      this._menu = null;
+      if (this._popper !== null) {
+        this._popper.destroy();
+      }
+      this._popper = null;
+    };
+
+    Dropdown.prototype.update = function update() {
+      if (this._popper !== null) {
+        this._popper.scheduleUpdate();
+      }
     };
 
     // private
 
     Dropdown.prototype._addEventListeners = function _addEventListeners() {
-      $(this._element).on(Event.CLICK, this.toggle);
+      var _this9 = this;
+
+      $(this._element).on(Event.CLICK, function (event) {
+        event.preventDefault();
+        event.stopPropagation();
+        _this9.toggle();
+      });
+    };
+
+    Dropdown.prototype._getConfig = function _getConfig(config) {
+      var elementData = $(this._element).data();
+      if (elementData.placement !== undefined) {
+        elementData.placement = AttachmentMap[elementData.placement.toUpperCase()];
+      }
+
+      config = $.extend({}, this.constructor.Default, $(this._element).data(), config);
+
+      Util.typeCheckConfig(NAME, config, this.constructor.DefaultType);
+
+      return config;
+    };
+
+    Dropdown.prototype._getMenuElement = function _getMenuElement() {
+      if (!this._menu) {
+        var parent = Dropdown._getParentFromElement(this._element);
+        this._menu = $(parent).find(Selector.MENU)[0];
+      }
+      return this._menu;
+    };
+
+    Dropdown.prototype._getPlacement = function _getPlacement() {
+      var $parentDropdown = $(this._element).parent();
+      var placement = this._config.placement;
+
+      // Handle dropup
+      if ($parentDropdown.hasClass(ClassName.DROPUP) || this._config.placement === AttachmentMap.TOP) {
+        placement = AttachmentMap.TOP;
+        if ($(this._menu).hasClass(ClassName.MENURIGHT)) {
+          placement = AttachmentMap.TOPEND;
+        }
+      } else {
+        if ($(this._menu).hasClass(ClassName.MENURIGHT)) {
+          placement = AttachmentMap.BOTTOMEND;
+        }
+      }
+      return placement;
     };
 
     // static
@@ -1484,9 +1615,10 @@ var Dropdown = function ($) {
     Dropdown._jQueryInterface = function _jQueryInterface(config) {
       return this.each(function () {
         var data = $(this).data(DATA_KEY);
+        var _config = (typeof config === 'undefined' ? 'undefined' : _typeof(config)) === 'object' ? config : null;
 
         if (!data) {
-          data = new Dropdown(this);
+          data = new Dropdown(this, _config);
           $(this).data(DATA_KEY, data);
         }
 
@@ -1494,34 +1626,34 @@ var Dropdown = function ($) {
           if (data[config] === undefined) {
             throw new Error('No method named "' + config + '"');
           }
-          data[config].call(this);
+          data[config]();
         }
       });
     };
 
     Dropdown._clearMenus = function _clearMenus(event) {
-      if (event && event.which === RIGHT_MOUSE_BUTTON_WHICH) {
+      if (event && (event.which === RIGHT_MOUSE_BUTTON_WHICH || event.type === 'keyup' && event.which !== TAB_KEYCODE)) {
         return;
       }
 
-      var backdrop = $(Selector.BACKDROP)[0];
-      if (backdrop) {
-        backdrop.parentNode.removeChild(backdrop);
-      }
-
       var toggles = $.makeArray($(Selector.DATA_TOGGLE));
-
       for (var i = 0; i < toggles.length; i++) {
         var parent = Dropdown._getParentFromElement(toggles[i]);
+        var context = $(toggles[i]).data(DATA_KEY);
         var relatedTarget = {
           relatedTarget: toggles[i]
         };
 
+        if (!context) {
+          continue;
+        }
+
+        var dropdownMenu = context._menu;
         if (!$(parent).hasClass(ClassName.SHOW)) {
           continue;
         }
 
-        if (event && (event.type === 'click' && /input|textarea/i.test(event.target.tagName) || event.type === 'focusin') && $.contains(parent, event.target)) {
+        if (event && (event.type === 'click' && /input|textarea/i.test(event.target.tagName) || event.type === 'keyup' && event.which === TAB_KEYCODE) && $.contains(parent, event.target)) {
           continue;
         }
 
@@ -1531,8 +1663,15 @@ var Dropdown = function ($) {
           continue;
         }
 
+        // if this is a touch-enabled device we remove the extra
+        // empty mouseover listeners we added for iOS support
+        if ('ontouchstart' in document.documentElement) {
+          $('body').children().off('mouseover', null, $.noop);
+        }
+
         toggles[i].setAttribute('aria-expanded', 'false');
 
+        $(dropdownMenu).removeClass(ClassName.SHOW);
         $(parent).removeClass(ClassName.SHOW).trigger($.Event(Event.HIDDEN, relatedTarget));
       }
     };
@@ -1549,7 +1688,7 @@ var Dropdown = function ($) {
     };
 
     Dropdown._dataApiKeydownHandler = function _dataApiKeydownHandler(event) {
-      if (!/(38|40|27|32)/.test(event.which) || /input|textarea/i.test(event.target.tagName)) {
+      if (!REGEXP_KEYDOWN.test(event.which) || /button/i.test(event.target.tagName) && event.which === SPACE_KEYCODE || /input|textarea/i.test(event.target.tagName)) {
         return;
       }
 
@@ -1563,7 +1702,7 @@ var Dropdown = function ($) {
       var parent = Dropdown._getParentFromElement(this);
       var isActive = $(parent).hasClass(ClassName.SHOW);
 
-      if (!isActive && event.which !== ESCAPE_KEYCODE || isActive && event.which === ESCAPE_KEYCODE) {
+      if (!isActive && (event.which !== ESCAPE_KEYCODE || event.which !== SPACE_KEYCODE) || isActive && (event.which === ESCAPE_KEYCODE || event.which === SPACE_KEYCODE)) {
 
         if (event.which === ESCAPE_KEYCODE) {
           var toggle = $(parent).find(Selector.DATA_TOGGLE)[0];
@@ -1604,6 +1743,16 @@ var Dropdown = function ($) {
       get: function get() {
         return VERSION;
       }
+    }, {
+      key: 'Default',
+      get: function get() {
+        return Default;
+      }
+    }, {
+      key: 'DefaultType',
+      get: function get() {
+        return DefaultType;
+      }
     }]);
 
     return Dropdown;
@@ -1615,7 +1764,11 @@ var Dropdown = function ($) {
    * ------------------------------------------------------------------------
    */
 
-  $(document).on(Event.KEYDOWN_DATA_API, Selector.DATA_TOGGLE, Dropdown._dataApiKeydownHandler).on(Event.KEYDOWN_DATA_API, Selector.ROLE_MENU, Dropdown._dataApiKeydownHandler).on(Event.KEYDOWN_DATA_API, Selector.ROLE_LISTBOX, Dropdown._dataApiKeydownHandler).on(Event.CLICK_DATA_API + ' ' + Event.FOCUSIN_DATA_API, Dropdown._clearMenus).on(Event.CLICK_DATA_API, Selector.DATA_TOGGLE, Dropdown.prototype.toggle).on(Event.CLICK_DATA_API, Selector.FORM_CHILD, function (e) {
+  $(document).on(Event.KEYDOWN_DATA_API, Selector.DATA_TOGGLE, Dropdown._dataApiKeydownHandler).on(Event.KEYDOWN_DATA_API, Selector.MENU, Dropdown._dataApiKeydownHandler).on(Event.CLICK_DATA_API + ' ' + Event.KEYUP_DATA_API, Dropdown._clearMenus).on(Event.CLICK_DATA_API, Selector.DATA_TOGGLE, function (event) {
+    event.preventDefault();
+    event.stopPropagation();
+    Dropdown._jQueryInterface.call($(this), 'toggle');
+  }).on(Event.CLICK_DATA_API, Selector.FORM_CHILD, function (e) {
     e.stopPropagation();
   });
 
@@ -1700,7 +1853,8 @@ var Modal = function ($) {
     DIALOG: '.modal-dialog',
     DATA_TOGGLE: '[data-toggle="modal"]',
     DATA_DISMISS: '[data-dismiss="modal"]',
-    FIXED_CONTENT: '.fixed-top, .fixed-bottom, .is-fixed, .sticky-top'
+    FIXED_CONTENT: '.fixed-top, .fixed-bottom, .is-fixed, .sticky-top',
+    NAVBAR_TOGGLER: '.navbar-toggler'
   };
 
   /**
@@ -1720,7 +1874,6 @@ var Modal = function ($) {
       this._isShown = false;
       this._isBodyOverflowing = false;
       this._ignoreBackdropClick = false;
-      this._isTransitioning = false;
       this._originalBodyPadding = 0;
       this._scrollbarWidth = 0;
     }
@@ -1734,15 +1887,16 @@ var Modal = function ($) {
     };
 
     Modal.prototype.show = function show(relatedTarget) {
-      var _this9 = this;
+      var _this10 = this;
 
       if (this._isTransitioning) {
-        throw new Error('Modal is transitioning');
+        return;
       }
 
       if (Util.supportsTransitionEnd() && $(this._element).hasClass(ClassName.FADE)) {
         this._isTransitioning = true;
       }
+
       var showEvent = $.Event(Event.SHOW, {
         relatedTarget: relatedTarget
       });
@@ -1764,39 +1918,41 @@ var Modal = function ($) {
       this._setResizeEvent();
 
       $(this._element).on(Event.CLICK_DISMISS, Selector.DATA_DISMISS, function (event) {
-        return _this9.hide(event);
+        return _this10.hide(event);
       });
 
       $(this._dialog).on(Event.MOUSEDOWN_DISMISS, function () {
-        $(_this9._element).one(Event.MOUSEUP_DISMISS, function (event) {
-          if ($(event.target).is(_this9._element)) {
-            _this9._ignoreBackdropClick = true;
+        $(_this10._element).one(Event.MOUSEUP_DISMISS, function (event) {
+          if ($(event.target).is(_this10._element)) {
+            _this10._ignoreBackdropClick = true;
           }
         });
       });
 
       this._showBackdrop(function () {
-        return _this9._showElement(relatedTarget);
+        return _this10._showElement(relatedTarget);
       });
     };
 
     Modal.prototype.hide = function hide(event) {
-      var _this10 = this;
+      var _this11 = this;
 
       if (event) {
         event.preventDefault();
       }
 
-      if (this._isTransitioning) {
-        throw new Error('Modal is transitioning');
+      if (this._isTransitioning || !this._isShown) {
+        return;
       }
 
       var transition = Util.supportsTransitionEnd() && $(this._element).hasClass(ClassName.FADE);
+
       if (transition) {
         this._isTransitioning = true;
       }
 
       var hideEvent = $.Event(Event.HIDE);
+
       $(this._element).trigger(hideEvent);
 
       if (!this._isShown || hideEvent.isDefaultPrevented()) {
@@ -1816,8 +1972,9 @@ var Modal = function ($) {
       $(this._dialog).off(Event.MOUSEDOWN_DISMISS);
 
       if (transition) {
+
         $(this._element).one(Util.TRANSITION_END, function (event) {
-          return _this10._hideModal(event);
+          return _this11._hideModal(event);
         }).emulateTransitionEnd(TRANSITION_DURATION);
       } else {
         this._hideModal();
@@ -1836,10 +1993,13 @@ var Modal = function ($) {
       this._isShown = null;
       this._isBodyOverflowing = null;
       this._ignoreBackdropClick = null;
-      this._originalBodyPadding = null;
       this._scrollbarWidth = null;
     };
 
+    Modal.prototype.handleUpdate = function handleUpdate() {
+      this._adjustDialog();
+    };
+
     // private
 
     Modal.prototype._getConfig = function _getConfig(config) {
@@ -1849,7 +2009,7 @@ var Modal = function ($) {
     };
 
     Modal.prototype._showElement = function _showElement(relatedTarget) {
-      var _this11 = this;
+      var _this12 = this;
 
       var transition = Util.supportsTransitionEnd() && $(this._element).hasClass(ClassName.FADE);
 
@@ -1877,11 +2037,11 @@ var Modal = function ($) {
       });
 
       var transitionComplete = function transitionComplete() {
-        if (_this11._config.focus) {
-          _this11._element.focus();
+        if (_this12._config.focus) {
+          _this12._element.focus();
         }
-        _this11._isTransitioning = false;
-        $(_this11._element).trigger(shownEvent);
+        _this12._isTransitioning = false;
+        $(_this12._element).trigger(shownEvent);
       };
 
       if (transition) {
@@ -1892,23 +2052,24 @@ var Modal = function ($) {
     };
 
     Modal.prototype._enforceFocus = function _enforceFocus() {
-      var _this12 = this;
+      var _this13 = this;
 
       $(document).off(Event.FOCUSIN) // guard against infinite focus loop
       .on(Event.FOCUSIN, function (event) {
-        if (document !== event.target && _this12._element !== event.target && !$(_this12._element).has(event.target).length) {
-          _this12._element.focus();
+        if (document !== event.target && _this13._element !== event.target && !$(_this13._element).has(event.target).length) {
+          _this13._element.focus();
         }
       });
     };
 
     Modal.prototype._setEscapeEvent = function _setEscapeEvent() {
-      var _this13 = this;
+      var _this14 = this;
 
       if (this._isShown && this._config.keyboard) {
         $(this._element).on(Event.KEYDOWN_DISMISS, function (event) {
           if (event.which === ESCAPE_KEYCODE) {
-            _this13.hide();
+            event.preventDefault();
+            _this14.hide();
           }
         });
       } else if (!this._isShown) {
@@ -1917,11 +2078,11 @@ var Modal = function ($) {
     };
 
     Modal.prototype._setResizeEvent = function _setResizeEvent() {
-      var _this14 = this;
+      var _this15 = this;
 
       if (this._isShown) {
         $(window).on(Event.RESIZE, function (event) {
-          return _this14._handleUpdate(event);
+          return _this15.handleUpdate(event);
         });
       } else {
         $(window).off(Event.RESIZE);
@@ -1929,16 +2090,16 @@ var Modal = function ($) {
     };
 
     Modal.prototype._hideModal = function _hideModal() {
-      var _this15 = this;
+      var _this16 = this;
 
       this._element.style.display = 'none';
-      this._element.setAttribute('aria-hidden', 'true');
+      this._element.setAttribute('aria-hidden', true);
       this._isTransitioning = false;
       this._showBackdrop(function () {
         $(document.body).removeClass(ClassName.OPEN);
-        _this15._resetAdjustments();
-        _this15._resetScrollbar();
-        $(_this15._element).trigger(Event.HIDDEN);
+        _this16._resetAdjustments();
+        _this16._resetScrollbar();
+        $(_this16._element).trigger(Event.HIDDEN);
       });
     };
 
@@ -1950,7 +2111,7 @@ var Modal = function ($) {
     };
 
     Modal.prototype._showBackdrop = function _showBackdrop(callback) {
-      var _this16 = this;
+      var _this17 = this;
 
       var animate = $(this._element).hasClass(ClassName.FADE) ? ClassName.FADE : '';
 
@@ -1967,17 +2128,17 @@ var Modal = function ($) {
         $(this._backdrop).appendTo(document.body);
 
         $(this._element).on(Event.CLICK_DISMISS, function (event) {
-          if (_this16._ignoreBackdropClick) {
-            _this16._ignoreBackdropClick = false;
+          if (_this17._ignoreBackdropClick) {
+            _this17._ignoreBackdropClick = false;
             return;
           }
           if (event.target !== event.currentTarget) {
             return;
           }
-          if (_this16._config.backdrop === 'static') {
-            _this16._element.focus();
+          if (_this17._config.backdrop === 'static') {
+            _this17._element.focus();
           } else {
-            _this16.hide();
+            _this17.hide();
           }
         });
 
@@ -2001,7 +2162,7 @@ var Modal = function ($) {
         $(this._backdrop).removeClass(ClassName.SHOW);
 
         var callbackRemove = function callbackRemove() {
-          _this16._removeBackdrop();
+          _this17._removeBackdrop();
           if (callback) {
             callback();
           }
@@ -2022,10 +2183,6 @@ var Modal = function ($) {
     // todo (fat): these should probably be refactored out of modal.js
     // ----------------------------------------------------------------------
 
-    Modal.prototype._handleUpdate = function _handleUpdate() {
-      this._adjustDialog();
-    };
-
     Modal.prototype._adjustDialog = function _adjustDialog() {
       var isModalOverflowing = this._element.scrollHeight > document.documentElement.clientHeight;
 
@@ -2049,17 +2206,55 @@ var Modal = function ($) {
     };
 
     Modal.prototype._setScrollbar = function _setScrollbar() {
-      var bodyPadding = parseInt($(Selector.FIXED_CONTENT).css('padding-right') || 0, 10);
-
-      this._originalBodyPadding = document.body.style.paddingRight || '';
+      var _this18 = this;
 
       if (this._isBodyOverflowing) {
-        document.body.style.paddingRight = bodyPadding + this._scrollbarWidth + 'px';
+        // Note: DOMNode.style.paddingRight returns the actual value or '' if not set
+        //   while $(DOMNode).css('padding-right') returns the calculated value or 0 if not set
+
+        // Adjust fixed content padding
+        $(Selector.FIXED_CONTENT).each(function (index, element) {
+          var actualPadding = $(element)[0].style.paddingRight;
+          var calculatedPadding = $(element).css('padding-right');
+          $(element).data('padding-right', actualPadding).css('padding-right', parseFloat(calculatedPadding) + _this18._scrollbarWidth + 'px');
+        });
+
+        // Adjust navbar-toggler margin
+        $(Selector.NAVBAR_TOGGLER).each(function (index, element) {
+          var actualMargin = $(element)[0].style.marginRight;
+          var calculatedMargin = $(element).css('margin-right');
+          $(element).data('margin-right', actualMargin).css('margin-right', parseFloat(calculatedMargin) + _this18._scrollbarWidth + 'px');
+        });
+
+        // Adjust body padding
+        var actualPadding = document.body.style.paddingRight;
+        var calculatedPadding = $('body').css('padding-right');
+        $('body').data('padding-right', actualPadding).css('padding-right', parseFloat(calculatedPadding) + this._scrollbarWidth + 'px');
       }
     };
 
     Modal.prototype._resetScrollbar = function _resetScrollbar() {
-      document.body.style.paddingRight = this._originalBodyPadding;
+      // Restore fixed content padding
+      $(Selector.FIXED_CONTENT).each(function (index, element) {
+        var padding = $(element).data('padding-right');
+        if (typeof padding !== 'undefined') {
+          $(element).css('padding-right', padding).removeData('padding-right');
+        }
+      });
+
+      // Restore navbar-toggler margin
+      $(Selector.NAVBAR_TOGGLER).each(function (index, element) {
+        var margin = $(element).data('margin-right');
+        if (typeof margin !== 'undefined') {
+          $(element).css('margin-right', margin).removeData('margin-right');
+        }
+      });
+
+      // Restore body padding
+      var padding = $('body').data('padding-right');
+      if (typeof padding !== 'undefined') {
+        $('body').css('padding-right', padding).removeData('padding-right');
+      }
     };
 
     Modal.prototype._getScrollbarWidth = function _getScrollbarWidth() {
@@ -2067,7 +2262,7 @@ var Modal = function ($) {
       var scrollDiv = document.createElement('div');
       scrollDiv.className = ClassName.SCROLLBAR_MEASURER;
       document.body.appendChild(scrollDiv);
-      var scrollbarWidth = scrollDiv.offsetWidth - scrollDiv.clientWidth;
+      var scrollbarWidth = scrollDiv.getBoundingClientRect().width - scrollDiv.clientWidth;
       document.body.removeChild(scrollDiv);
       return scrollbarWidth;
     };
@@ -2117,7 +2312,7 @@ var Modal = function ($) {
    */
 
   $(document).on(Event.CLICK_DATA_API, Selector.DATA_TOGGLE, function (event) {
-    var _this17 = this;
+    var _this19 = this;
 
     var target = void 0;
     var selector = Util.getSelectorFromElement(this);
@@ -2139,8 +2334,8 @@ var Modal = function ($) {
       }
 
       $target.one(Event.HIDDEN, function () {
-        if ($(_this17).is(':visible')) {
-          _this17.focus();
+        if ($(_this19).is(':visible')) {
+          _this19.focus();
         }
       });
     });
@@ -2207,18 +2402,15 @@ var ScrollSpy = function ($) {
   var ClassName = {
     DROPDOWN_ITEM: 'dropdown-item',
     DROPDOWN_MENU: 'dropdown-menu',
-    NAV_LINK: 'nav-link',
-    NAV: 'nav',
     ACTIVE: 'active'
   };
 
   var Selector = {
     DATA_SPY: '[data-spy="scroll"]',
     ACTIVE: '.active',
-    LIST_ITEM: '.list-item',
-    LI: 'li',
-    LI_DROPDOWN: 'li.dropdown',
+    NAV_LIST_GROUP: '.nav, .list-group',
     NAV_LINKS: '.nav-link',
+    LIST_ITEMS: '.list-group-item',
     DROPDOWN: '.dropdown',
     DROPDOWN_ITEMS: '.dropdown-item',
     DROPDOWN_TOGGLE: '.dropdown-toggle'
@@ -2237,21 +2429,21 @@ var ScrollSpy = function ($) {
 
   var ScrollSpy = function () {
     function ScrollSpy(element, config) {
-      var _this18 = this;
+      var _this20 = this;
 
       _classCallCheck(this, ScrollSpy);
 
       this._element = element;
       this._scrollElement = element.tagName === 'BODY' ? window : element;
       this._config = this._getConfig(config);
-      this._selector = this._config.target + ' ' + Selector.NAV_LINKS + ',' + (this._config.target + ' ' + Selector.DROPDOWN_ITEMS);
+      this._selector = this._config.target + ' ' + Selector.NAV_LINKS + ',' + (this._config.target + ' ' + Selector.LIST_ITEMS + ',') + (this._config.target + ' ' + Selector.DROPDOWN_ITEMS);
       this._offsets = [];
       this._targets = [];
       this._activeTarget = null;
       this._scrollHeight = 0;
 
       $(this._scrollElement).on(Event.SCROLL, function (event) {
-        return _this18._process(event);
+        return _this20._process(event);
       });
 
       this.refresh();
@@ -2263,7 +2455,7 @@ var ScrollSpy = function ($) {
     // public
 
     ScrollSpy.prototype.refresh = function refresh() {
-      var _this19 = this;
+      var _this21 = this;
 
       var autoMethod = this._scrollElement !== this._scrollElement.window ? OffsetMethod.POSITION : OffsetMethod.OFFSET;
 
@@ -2286,9 +2478,12 @@ var ScrollSpy = function ($) {
           target = $(targetSelector)[0];
         }
 
-        if (target && (target.offsetWidth || target.offsetHeight)) {
-          // todo (fat): remove sketch reliance on jQuery position/offset
-          return [$(target)[offsetMethod]().top + offsetBase, targetSelector];
+        if (target) {
+          var targetBCR = target.getBoundingClientRect();
+          if (targetBCR.width || targetBCR.height) {
+            // todo (fat): remove sketch reliance on jQuery position/offset
+            return [$(target)[offsetMethod]().top + offsetBase, targetSelector];
+          }
         }
         return null;
       }).filter(function (item) {
@@ -2296,8 +2491,8 @@ var ScrollSpy = function ($) {
       }).sort(function (a, b) {
         return a[0] - b[0];
       }).forEach(function (item) {
-        _this19._offsets.push(item[0]);
-        _this19._targets.push(item[1]);
+        _this21._offsets.push(item[0]);
+        _this21._targets.push(item[1]);
       });
     };
 
@@ -2343,7 +2538,7 @@ var ScrollSpy = function ($) {
     };
 
     ScrollSpy.prototype._getOffsetHeight = function _getOffsetHeight() {
-      return this._scrollElement === window ? window.innerHeight : this._scrollElement.offsetHeight;
+      return this._scrollElement === window ? window.innerHeight : this._scrollElement.getBoundingClientRect().height;
     };
 
     ScrollSpy.prototype._process = function _process() {
@@ -2395,9 +2590,11 @@ var ScrollSpy = function ($) {
         $link.closest(Selector.DROPDOWN).find(Selector.DROPDOWN_TOGGLE).addClass(ClassName.ACTIVE);
         $link.addClass(ClassName.ACTIVE);
       } else {
-        // todo (fat) this is kinda sus...
-        // recursively add actives to tested nav-links
-        $link.parents(Selector.LI).find('> ' + Selector.NAV_LINKS).addClass(ClassName.ACTIVE);
+        // Set triggered link as active
+        $link.addClass(ClassName.ACTIVE);
+        // Set triggered links parents as active
+        // With both <ul> and <nav> markup a parent is the previous sibling of any nav ancestor
+        $link.parents(Selector.NAV_LIST_GROUP).prev(Selector.NAV_LINKS + ', ' + Selector.LIST_ITEMS).addClass(ClassName.ACTIVE);
       }
 
       $(this._scrollElement).trigger(Event.ACTIVATE, {
@@ -2516,14 +2713,10 @@ var Tab = function ($) {
   };
 
   var Selector = {
-    A: 'a',
-    LI: 'li',
     DROPDOWN: '.dropdown',
-    LIST: 'ul:not(.dropdown-menu), ol:not(.dropdown-menu), nav:not(.dropdown-menu)',
-    FADE_CHILD: '> .nav-item .fade, > .fade',
+    NAV_LIST_GROUP: '.nav, .list-group',
     ACTIVE: '.active',
-    ACTIVE_CHILD: '> .nav-item > .active, > .active',
-    DATA_TOGGLE: '[data-toggle="tab"], [data-toggle="pill"]',
+    DATA_TOGGLE: '[data-toggle="tab"], [data-toggle="pill"], [data-toggle="list"]',
     DROPDOWN_TOGGLE: '.dropdown-toggle',
     DROPDOWN_ACTIVE_CHILD: '> .dropdown-menu .active'
   };
@@ -2546,7 +2739,7 @@ var Tab = function ($) {
     // public
 
     Tab.prototype.show = function show() {
-      var _this20 = this;
+      var _this22 = this;
 
       if (this._element.parentNode && this._element.parentNode.nodeType === Node.ELEMENT_NODE && $(this._element).hasClass(ClassName.ACTIVE) || $(this._element).hasClass(ClassName.DISABLED)) {
         return;
@@ -2554,7 +2747,7 @@ var Tab = function ($) {
 
       var target = void 0;
       var previous = void 0;
-      var listElement = $(this._element).closest(Selector.LIST)[0];
+      var listElement = $(this._element).closest(Selector.NAV_LIST_GROUP)[0];
       var selector = Util.getSelectorFromElement(this._element);
 
       if (listElement) {
@@ -2588,7 +2781,7 @@ var Tab = function ($) {
 
       var complete = function complete() {
         var hiddenEvent = $.Event(Event.HIDDEN, {
-          relatedTarget: _this20._element
+          relatedTarget: _this22._element
         });
 
         var shownEvent = $.Event(Event.SHOWN, {
@@ -2596,7 +2789,7 @@ var Tab = function ($) {
         });
 
         $(previous).trigger(hiddenEvent);
-        $(_this20._element).trigger(shownEvent);
+        $(_this22._element).trigger(shownEvent);
       };
 
       if (target) {
@@ -2607,20 +2800,20 @@ var Tab = function ($) {
     };
 
     Tab.prototype.dispose = function dispose() {
-      $.removeClass(this._element, DATA_KEY);
+      $.removeData(this._element, DATA_KEY);
       this._element = null;
     };
 
     // private
 
     Tab.prototype._activate = function _activate(element, container, callback) {
-      var _this21 = this;
+      var _this23 = this;
 
-      var active = $(container).find(Selector.ACTIVE_CHILD)[0];
-      var isTransitioning = callback && Util.supportsTransitionEnd() && (active && $(active).hasClass(ClassName.FADE) || Boolean($(container).find(Selector.FADE_CHILD)[0]));
+      var active = $(container).find(Selector.ACTIVE)[0];
+      var isTransitioning = callback && Util.supportsTransitionEnd() && active && $(active).hasClass(ClassName.FADE);
 
       var complete = function complete() {
-        return _this21._transitionComplete(element, active, isTransitioning, callback);
+        return _this23._transitionComplete(element, active, isTransitioning, callback);
       };
 
       if (active && isTransitioning) {
@@ -2730,7 +2923,7 @@ var Tab = function ($) {
   return Tab;
 }(jQuery);
 
-/* global Tether */
+/* global Popper */
 
 /**
  * --------------------------------------------------------------------------
@@ -2742,11 +2935,11 @@ var Tab = function ($) {
 var Tooltip = function ($) {
 
   /**
-   * Check for Tether dependency
-   * Tether - http://tether.io/
+   * Check for Popper dependency
+   * Popper - https://popper.js.org
    */
-  if (typeof Tether === 'undefined') {
-    throw new Error('Bootstrap tooltips require Tether (http://tether.io/)');
+  if (typeof Popper === 'undefined') {
+    throw new Error('Bootstrap tooltips require Popper.js (https://popper.js.org)');
   }
 
   /**
@@ -2761,21 +2954,8 @@ var Tooltip = function ($) {
   var EVENT_KEY = '.' + DATA_KEY;
   var JQUERY_NO_CONFLICT = $.fn[NAME];
   var TRANSITION_DURATION = 150;
-  var CLASS_PREFIX = 'bs-tether';
-
-  var Default = {
-    animation: true,
-    template: '<div class="tooltip" role="tooltip">' + '<div class="tooltip-inner"></div></div>',
-    trigger: 'hover focus',
-    title: '',
-    delay: 0,
-    html: false,
-    selector: false,
-    placement: 'top',
-    offset: '0 0',
-    constraints: [],
-    container: false
-  };
+  var CLASS_PREFIX = 'bs-tooltip';
+  var BSCLS_PREFIX_REGEX = new RegExp('(^|\\s)' + CLASS_PREFIX + '\\S+', 'g');
 
   var DefaultType = {
     animation: 'boolean',
@@ -2786,16 +2966,31 @@ var Tooltip = function ($) {
     html: 'boolean',
     selector: '(string|boolean)',
     placement: '(string|function)',
-    offset: 'string',
-    constraints: 'array',
-    container: '(string|element|boolean)'
+    offset: '(number|string)',
+    container: '(string|element|boolean)',
+    fallbackPlacement: '(string|array)'
   };
 
   var AttachmentMap = {
-    TOP: 'bottom center',
-    RIGHT: 'middle left',
-    BOTTOM: 'top center',
-    LEFT: 'middle right'
+    AUTO: 'auto',
+    TOP: 'top',
+    RIGHT: 'right',
+    BOTTOM: 'bottom',
+    LEFT: 'left'
+  };
+
+  var Default = {
+    animation: true,
+    template: '<div class="tooltip" role="tooltip">' + '<div class="arrow" x-arrow></div>' + '<div class="tooltip-inner"></div></div>',
+    trigger: 'hover focus',
+    title: '',
+    delay: 0,
+    html: false,
+    selector: false,
+    placement: 'top',
+    offset: 0,
+    container: false,
+    fallbackPlacement: 'flip'
   };
 
   var HoverState = {
@@ -2826,11 +3021,6 @@ var Tooltip = function ($) {
     TOOLTIP_INNER: '.tooltip-inner'
   };
 
-  var TetherClass = {
-    element: false,
-    enabled: false
-  };
-
   var Trigger = {
     HOVER: 'hover',
     FOCUS: 'focus',
@@ -2853,8 +3043,7 @@ var Tooltip = function ($) {
       this._timeout = 0;
       this._hoverState = '';
       this._activeTrigger = {};
-      this._isTransitioning = false;
-      this._tether = null;
+      this._popper = null;
 
       // protected
       this.element = element;
@@ -2911,8 +3100,6 @@ var Tooltip = function ($) {
     Tooltip.prototype.dispose = function dispose() {
       clearTimeout(this._timeout);
 
-      this.cleanupTether();
-
       $.removeData(this.element, this.constructor.DATA_KEY);
 
       $(this.element).off(this.constructor.EVENT_KEY);
@@ -2926,7 +3113,10 @@ var Tooltip = function ($) {
       this._timeout = null;
       this._hoverState = null;
       this._activeTrigger = null;
-      this._tether = null;
+      if (this._popper !== null) {
+        this._popper.destroy();
+      }
+      this._popper = null;
 
       this.element = null;
       this.config = null;
@@ -2934,7 +3124,7 @@ var Tooltip = function ($) {
     };
 
     Tooltip.prototype.show = function show() {
-      var _this22 = this;
+      var _this24 = this;
 
       if ($(this.element).css('display') === 'none') {
         throw new Error('Please use show on visible elements');
@@ -2942,9 +3132,6 @@ var Tooltip = function ($) {
 
       var showEvent = $.Event(this.constructor.Event.SHOW);
       if (this.isWithContent() && this._isEnabled) {
-        if (this._isTransitioning) {
-          throw new Error('Tooltip is transitioning');
-        }
         $(this.element).trigger(showEvent);
 
         var isInTheDom = $.contains(this.element.ownerDocument.documentElement, this.element);
@@ -2968,68 +3155,86 @@ var Tooltip = function ($) {
         var placement = typeof this.config.placement === 'function' ? this.config.placement.call(this, tip, this.element) : this.config.placement;
 
         var attachment = this._getAttachment(placement);
+        this.addAttachmentClass(attachment);
 
         var container = this.config.container === false ? document.body : $(this.config.container);
 
-        $(tip).data(this.constructor.DATA_KEY, this).appendTo(container);
+        $(tip).data(this.constructor.DATA_KEY, this);
+
+        if (!$.contains(this.element.ownerDocument.documentElement, this.tip)) {
+          $(tip).appendTo(container);
+        }
 
         $(this.element).trigger(this.constructor.Event.INSERTED);
 
-        this._tether = new Tether({
-          attachment: attachment,
-          element: tip,
-          target: this.element,
-          classes: TetherClass,
-          classPrefix: CLASS_PREFIX,
-          offset: this.config.offset,
-          constraints: this.config.constraints,
-          addTargetClasses: false
+        this._popper = new Popper(this.element, tip, {
+          placement: attachment,
+          modifiers: {
+            offset: {
+              offset: this.config.offset
+            },
+            flip: {
+              behavior: this.config.fallbackPlacement
+            }
+          },
+          onCreate: function onCreate(data) {
+            if (data.originalPlacement !== data.placement) {
+              _this24._handlePopperPlacementChange(data);
+            }
+          },
+          onUpdate: function onUpdate(data) {
+            _this24._handlePopperPlacementChange(data);
+          }
         });
 
-        Util.reflow(tip);
-        this._tether.position();
-
         $(tip).addClass(ClassName.SHOW);
 
+        // if this is a touch-enabled device we add extra
+        // empty mouseover listeners to the body's immediate children;
+        // only needed because of broken event delegation on iOS
+        // https://www.quirksmode.org/blog/archives/2014/02/mouse_event_bub.html
+        if ('ontouchstart' in document.documentElement) {
+          $('body').children().on('mouseover', null, $.noop);
+        }
+
         var complete = function complete() {
-          var prevHoverState = _this22._hoverState;
-          _this22._hoverState = null;
-          _this22._isTransitioning = false;
+          if (_this24.config.animation) {
+            _this24._fixTransition();
+          }
+          var prevHoverState = _this24._hoverState;
+          _this24._hoverState = null;
 
-          $(_this22.element).trigger(_this22.constructor.Event.SHOWN);
+          $(_this24.element).trigger(_this24.constructor.Event.SHOWN);
 
           if (prevHoverState === HoverState.OUT) {
-            _this22._leave(null, _this22);
+            _this24._leave(null, _this24);
           }
         };
 
         if (Util.supportsTransitionEnd() && $(this.tip).hasClass(ClassName.FADE)) {
-          this._isTransitioning = true;
           $(this.tip).one(Util.TRANSITION_END, complete).emulateTransitionEnd(Tooltip._TRANSITION_DURATION);
-          return;
+        } else {
+          complete();
         }
-
-        complete();
       }
     };
 
     Tooltip.prototype.hide = function hide(callback) {
-      var _this23 = this;
+      var _this25 = this;
 
       var tip = this.getTipElement();
       var hideEvent = $.Event(this.constructor.Event.HIDE);
-      if (this._isTransitioning) {
-        throw new Error('Tooltip is transitioning');
-      }
       var complete = function complete() {
-        if (_this23._hoverState !== HoverState.SHOW && tip.parentNode) {
+        if (_this25._hoverState !== HoverState.SHOW && tip.parentNode) {
           tip.parentNode.removeChild(tip);
         }
 
-        _this23.element.removeAttribute('aria-describedby');
-        $(_this23.element).trigger(_this23.constructor.Event.HIDDEN);
-        _this23._isTransitioning = false;
-        _this23.cleanupTether();
+        _this25._cleanTipClass();
+        _this25.element.removeAttribute('aria-describedby');
+        $(_this25.element).trigger(_this25.constructor.Event.HIDDEN);
+        if (_this25._popper !== null) {
+          _this25._popper.destroy();
+        }
 
         if (callback) {
           callback();
@@ -3044,12 +3249,18 @@ var Tooltip = function ($) {
 
       $(tip).removeClass(ClassName.SHOW);
 
+      // if this is a touch-enabled device we remove the extra
+      // empty mouseover listeners we added for iOS support
+      if ('ontouchstart' in document.documentElement) {
+        $('body').children().off('mouseover', null, $.noop);
+      }
+
       this._activeTrigger[Trigger.CLICK] = false;
       this._activeTrigger[Trigger.FOCUS] = false;
       this._activeTrigger[Trigger.HOVER] = false;
 
       if (Util.supportsTransitionEnd() && $(this.tip).hasClass(ClassName.FADE)) {
-        this._isTransitioning = true;
+
         $(tip).one(Util.TRANSITION_END, complete).emulateTransitionEnd(TRANSITION_DURATION);
       } else {
         complete();
@@ -3058,24 +3269,30 @@ var Tooltip = function ($) {
       this._hoverState = '';
     };
 
+    Tooltip.prototype.update = function update() {
+      if (this._popper !== null) {
+        this._popper.scheduleUpdate();
+      }
+    };
+
     // protected
 
     Tooltip.prototype.isWithContent = function isWithContent() {
       return Boolean(this.getTitle());
     };
 
+    Tooltip.prototype.addAttachmentClass = function addAttachmentClass(attachment) {
+      $(this.getTipElement()).addClass(CLASS_PREFIX + '-' + attachment);
+    };
+
     Tooltip.prototype.getTipElement = function getTipElement() {
       return this.tip = this.tip || $(this.config.template)[0];
     };
 
     Tooltip.prototype.setContent = function setContent() {
       var $tip = $(this.getTipElement());
-
       this.setElementContent($tip.find(Selector.TOOLTIP_INNER), this.getTitle());
-
       $tip.removeClass(ClassName.FADE + ' ' + ClassName.SHOW);
-
-      this.cleanupTether();
     };
 
     Tooltip.prototype.setElementContent = function setElementContent($element, content) {
@@ -3104,12 +3321,6 @@ var Tooltip = function ($) {
       return title;
     };
 
-    Tooltip.prototype.cleanupTether = function cleanupTether() {
-      if (this._tether) {
-        this._tether.destroy();
-      }
-    };
-
     // private
 
     Tooltip.prototype._getAttachment = function _getAttachment(placement) {
@@ -3117,28 +3328,28 @@ var Tooltip = function ($) {
     };
 
     Tooltip.prototype._setListeners = function _setListeners() {
-      var _this24 = this;
+      var _this26 = this;
 
       var triggers = this.config.trigger.split(' ');
 
       triggers.forEach(function (trigger) {
         if (trigger === 'click') {
-          $(_this24.element).on(_this24.constructor.Event.CLICK, _this24.config.selector, function (event) {
-            return _this24.toggle(event);
+          $(_this26.element).on(_this26.constructor.Event.CLICK, _this26.config.selector, function (event) {
+            return _this26.toggle(event);
           });
         } else if (trigger !== Trigger.MANUAL) {
-          var eventIn = trigger === Trigger.HOVER ? _this24.constructor.Event.MOUSEENTER : _this24.constructor.Event.FOCUSIN;
-          var eventOut = trigger === Trigger.HOVER ? _this24.constructor.Event.MOUSELEAVE : _this24.constructor.Event.FOCUSOUT;
+          var eventIn = trigger === Trigger.HOVER ? _this26.constructor.Event.MOUSEENTER : _this26.constructor.Event.FOCUSIN;
+          var eventOut = trigger === Trigger.HOVER ? _this26.constructor.Event.MOUSELEAVE : _this26.constructor.Event.FOCUSOUT;
 
-          $(_this24.element).on(eventIn, _this24.config.selector, function (event) {
-            return _this24._enter(event);
-          }).on(eventOut, _this24.config.selector, function (event) {
-            return _this24._leave(event);
+          $(_this26.element).on(eventIn, _this26.config.selector, function (event) {
+            return _this26._enter(event);
+          }).on(eventOut, _this26.config.selector, function (event) {
+            return _this26._leave(event);
           });
         }
 
-        $(_this24.element).closest('.modal').on('hide.bs.modal', function () {
-          return _this24.hide();
+        $(_this26.element).closest('.modal').on('hide.bs.modal', function () {
+          return _this26.hide();
         });
       });
 
@@ -3249,6 +3460,14 @@ var Tooltip = function ($) {
         };
       }
 
+      if (config.title && typeof config.title === 'number') {
+        config.title = config.title.toString();
+      }
+
+      if (config.content && typeof config.content === 'number') {
+        config.content = config.content.toString();
+      }
+
       Util.typeCheckConfig(NAME, config, this.constructor.DefaultType);
 
       return config;
@@ -3268,6 +3487,32 @@ var Tooltip = function ($) {
       return config;
     };
 
+    Tooltip.prototype._cleanTipClass = function _cleanTipClass() {
+      var $tip = $(this.getTipElement());
+      var tabClass = $tip.attr('class').match(BSCLS_PREFIX_REGEX);
+      if (tabClass !== null && tabClass.length > 0) {
+        $tip.removeClass(tabClass.join(''));
+      }
+    };
+
+    Tooltip.prototype._handlePopperPlacementChange = function _handlePopperPlacementChange(data) {
+      this._cleanTipClass();
+      this.addAttachmentClass(this._getAttachment(data.placement));
+    };
+
+    Tooltip.prototype._fixTransition = function _fixTransition() {
+      var tip = this.getTipElement();
+      var initConfigAnimation = this.config.animation;
+      if (tip.getAttribute('x-placement') !== null) {
+        return;
+      }
+      $(tip).removeClass(ClassName.FADE);
+      this.config.animation = false;
+      this.hide();
+      this.show();
+      this.config.animation = initConfigAnimation;
+    };
+
     // static
 
     Tooltip._jQueryInterface = function _jQueryInterface(config) {
@@ -3369,12 +3614,14 @@ var Popover = function ($) {
   var DATA_KEY = 'bs.popover';
   var EVENT_KEY = '.' + DATA_KEY;
   var JQUERY_NO_CONFLICT = $.fn[NAME];
+  var CLASS_PREFIX = 'bs-popover';
+  var BSCLS_PREFIX_REGEX = new RegExp('(^|\\s)' + CLASS_PREFIX + '\\S+', 'g');
 
   var Default = $.extend({}, Tooltip.Default, {
     placement: 'right',
     trigger: 'click',
     content: '',
-    template: '<div class="popover" role="tooltip">' + '<h3 class="popover-title"></h3>' + '<div class="popover-content"></div></div>'
+    template: '<div class="popover" role="tooltip">' + '<div class="arrow" x-arrow></div>' + '<h3 class="popover-title"></h3>' + '<div class="popover-content"></div></div>'
   });
 
   var DefaultType = $.extend({}, Tooltip.DefaultType, {
@@ -3425,6 +3672,10 @@ var Popover = function ($) {
       return this.getTitle() || this._getContent();
     };
 
+    Popover.prototype.addAttachmentClass = function addAttachmentClass(attachment) {
+      $(this.getTipElement()).addClass(CLASS_PREFIX + '-' + attachment);
+    };
+
     Popover.prototype.getTipElement = function getTipElement() {
       return this.tip = this.tip || $(this.config.template)[0];
     };
@@ -3437,8 +3688,6 @@ var Popover = function ($) {
       this.setElementContent($tip.find(Selector.CONTENT), this._getContent());
 
       $tip.removeClass(ClassName.FADE + ' ' + ClassName.SHOW);
-
-      this.cleanupTether();
     };
 
     // private
@@ -3447,6 +3696,14 @@ var Popover = function ($) {
       return this.element.getAttribute('data-content') || (typeof this.config.content === 'function' ? this.config.content.call(this.element) : this.config.content);
     };
 
+    Popover.prototype._cleanTipClass = function _cleanTipClass() {
+      var $tip = $(this.getTipElement());
+      var tabClass = $tip.attr('class').match(BSCLS_PREFIX_REGEX);
+      if (tabClass !== null && tabClass.length > 0) {
+        $tip.removeClass(tabClass.join(''));
+      }
+    };
+
     // static
 
     Popover._jQueryInterface = function _jQueryInterface(config) {
@@ -3532,4 +3789,5 @@ var Popover = function ($) {
   return Popover;
 }(jQuery);
 
-}();
+
+})()
\ No newline at end of file
diff --git a/assets/javascripts/bootstrap.min.js b/assets/javascripts/bootstrap.min.js
index d9c72df..31508ad 100644
--- a/assets/javascripts/bootstrap.min.js
+++ b/assets/javascripts/bootstrap.min.js
@@ -3,5 +3,282 @@
  * Copyright 2011-2017 The Bootstrap Authors (https://github.com/twbs/bootstrap/graphs/contributors)
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  */
-if("undefined"==typeof jQuery)throw new Error("Bootstrap's JavaScript requires jQuery. jQuery must be included before Bootstrap's JavaScript.");+function(t){var e=t.fn.jquery.split(" ")[0].split(".");if(e[0]<2&&e[1]<9||1==e[0]&&9==e[1]&&e[2]<1||e[0]>=4)throw new Error("Bootstrap's JavaScript requires at least jQuery v1.9.1 but less than v4.0.0")}(jQuery),+function(){function t(t,e){if(!t)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return!e||"object"!=typeof e&&"function"!=typeof e?t:e}function e(t,e){if("function"!=typeof e&&null!==e)throw new TypeError("Super expression must either be null or a function, not "+typeof e);t.prototype=Object.create(e&&e.prototype,{constructor:{value:t,enumerable:!1,writable:!0,configurable:!0}}),e&&(Object.setPrototypeOf?Object.setPrototypeOf(t,e):t.__proto__=e)}function n(t,e){if(!(t instanceof e))throw new TypeError("Cannot call a class as a function")}var i="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(t){return typeof t}:function(t){return t&&"function"==typeof Symbol&&t.constructor===Symbol&&t!==Symbol.prototype?"symbol":typeof t},o=function(){function t(t,e){for(var n=0;n<e.length;n++){var i=e[n];i.enumerable=i.enumerable||!1,i.configurable=!0,"value"in i&&(i.writable=!0),Object.defineProperty(t,i.key,i)}}return function(e,n,i){return n&&t(e.prototype,n),i&&t(e,i),e}}(),r=function(t){function e(t){return{}.toString.call(t).match(/\s([a-zA-Z]+)/)[1].toLowerCase()}function n(t){return(t[0]||t).nodeType}function i(){return{bindType:a.end,delegateType:a.end,handle:function(e){if(t(e.target).is(this))return e.handleObj.handler.apply(this,arguments)}}}function o(){if(window.QUnit)return!1;var t=document.createElement("bootstrap");for(var e in h)if(void 0!==t.style[e])return{end:h[e]};return!1}function r(e){var n=this,i=!1;return t(this).one(c.TRANSITION_END,function(){i=!0}),setTimeout(function(){i||c.triggerTransitionEnd(n)},e),this}function s(){a=o(),t.fn.emulateTransitionEnd=r,c.supportsTransitionEnd()&&(t.event.special[c.TRANSITION_END]=i())}var a=!1,l=1e6,h={WebkitTransition:"webkitTransitionEnd",MozTransition:"transitionend",OTransition:"oTransitionEnd otransitionend",transition:"transitionend"},c={TRANSITION_END:"bsTransitionEnd",getUID:function(t){do t+=~~(Math.random()*l);while(document.getElementById(t));return t},getSelectorFromElement:function(t){var e=t.getAttribute("data-target");return e||(e=t.getAttribute("href")||"",e=/^#[a-z]/i.test(e)?e:null),e},reflow:function(t){return t.offsetHeight},triggerTransitionEnd:function(e){t(e).trigger(a.end)},supportsTransitionEnd:function(){return Boolean(a)},typeCheckConfig:function(t,i,o){for(var r in o)if(o.hasOwnProperty(r)){var s=o[r],a=i[r],l=a&&n(a)?"element":e(a);if(!new RegExp(s).test(l))throw new Error(t.toUpperCase()+": "+('Option "'+r+'" provided type "'+l+'" ')+('but expected type "'+s+'".'))}}};return s(),c}(jQuery),s=(function(t){var e="alert",i="4.0.0-alpha.6",s="bs.alert",a="."+s,l=".data-api",h=t.fn[e],c=150,u={DISMISS:'[data-dismiss="alert"]'},d={CLOSE:"close"+a,CLOSED:"closed"+a,CLICK_DATA_API:"click"+a+l},f={ALERT:"alert",FADE:"fade",SHOW:"show"},_=function(){function e(t){n(this,e),this._element=t}return e.prototype.close=function(t){t=t||this._element;var e=this._getRootElement(t),n=this._triggerCloseEvent(e);n.isDefaultPrevented()||this._removeElement(e)},e.prototype.dispose=function(){t.removeData(this._element,s),this._element=null},e.prototype._getRootElement=function(e){var n=r.getSelectorFromElement(e),i=!1;return n&&(i=t(n)[0]),i||(i=t(e).closest("."+f.ALERT)[0]),i},e.prototype._triggerCloseEvent=function(e){var n=t.Event(d.CLOSE);return t(e).trigger(n),n},e.prototype._removeElement=function(e){var n=this;return t(e).removeClass(f.SHOW),r.supportsTransitionEnd()&&t(e).hasClass(f.FADE)?void t(e).one(r.TRANSITION_END,function(t){return n._destroyElement(e,t)}).emulateTransitionEnd(c):void this._destroyElement(e)},e.prototype._destroyElement=function(e){t(e).detach().trigger(d.CLOSED).remove()},e._jQueryInterface=function(n){return this.each(function(){var i=t(this),o=i.data(s);o||(o=new e(this),i.data(s,o)),"close"===n&&o[n](this)})},e._handleDismiss=function(t){return function(e){e&&e.preventDefault(),t.close(this)}},o(e,null,[{key:"VERSION",get:function(){return i}}]),e}();return t(document).on(d.CLICK_DATA_API,u.DISMISS,_._handleDismiss(new _)),t.fn[e]=_._jQueryInterface,t.fn[e].Constructor=_,t.fn[e].noConflict=function(){return t.fn[e]=h,_._jQueryInterface},_}(jQuery),function(t){var e="button",i="4.0.0-alpha.6",r="bs.button",s="."+r,a=".data-api",l=t.fn[e],h={ACTIVE:"active",BUTTON:"btn",FOCUS:"focus"},c={DATA_TOGGLE_CARROT:'[data-toggle^="button"]',DATA_TOGGLE:'[data-toggle="buttons"]',INPUT:"input",ACTIVE:".active",BUTTON:".btn"},u={CLICK_DATA_API:"click"+s+a,FOCUS_BLUR_DATA_API:"focus"+s+a+" "+("blur"+s+a)},d=function(){function e(t){n(this,e),this._element=t}return e.prototype.toggle=function(){var e=!0,n=t(this._element).closest(c.DATA_TOGGLE)[0];if(n){var i=t(this._element).find(c.INPUT)[0];if(i){if("radio"===i.type)if(i.checked&&t(this._element).hasClass(h.ACTIVE))e=!1;else{var o=t(n).find(c.ACTIVE)[0];o&&t(o).removeClass(h.ACTIVE)}e&&(i.checked=!t(this._element).hasClass(h.ACTIVE),t(i).trigger("change")),i.focus()}}this._element.setAttribute("aria-pressed",!t(this._element).hasClass(h.ACTIVE)),e&&t(this._element).toggleClass(h.ACTIVE)},e.prototype.dispose=function(){t.removeData(this._element,r),this._element=null},e._jQueryInterface=function(n){return this.each(function(){var i=t(this).data(r);i||(i=new e(this),t(this).data(r,i)),"toggle"===n&&i[n]()})},o(e,null,[{key:"VERSION",get:function(){return i}}]),e}();return t(document).on(u.CLICK_DATA_API,c.DATA_TOGGLE_CARROT,function(e){e.preventDefault();var n=e.target;t(n).hasClass(h.BUTTON)||(n=t(n).closest(c.BUTTON)),d._jQueryInterface.call(t(n),"toggle")}).on(u.FOCUS_BLUR_DATA_API,c.DATA_TOGGLE_CARROT,function(e){var n=t(e.target).closest(c.BUTTON)[0];t(n).toggleClass(h.FOCUS,/^focus(in)?$/.test(e.type))}),t.fn[e]=d._jQueryInterface,t.fn[e].Constructor=d,t.fn[e].noConflict=function(){return t.fn[e]=l,d._jQueryInterface},d}(jQuery),function(t){var e="carousel",s="4.0.0-alpha.6",a="bs.carousel",l="."+a,h=".data-api",c=t.fn[e],u=600,d=37,f=39,_={interval:5e3,keyboard:!0,slide:!1,pause:"hover",wrap:!0},g={interval:"(number|boolean)",keyboard:"boolean",slide:"(boolean|string)",pause:"(string|boolean)",wrap:"boolean"},p={NEXT:"next",PREV:"prev",LEFT:"left",RIGHT:"right"},m={SLIDE:"slide"+l,SLID:"slid"+l,KEYDOWN:"keydown"+l,MOUSEENTER:"mouseenter"+l,MOUSELEAVE:"mouseleave"+l,LOAD_DATA_API:"load"+l+h,CLICK_DATA_API:"click"+l+h},E={CAROUSEL:"carousel",ACTIVE:"active",SLIDE:"slide",RIGHT:"carousel-item-right",LEFT:"carousel-item-left",NEXT:"carousel-item-next",PREV:"carousel-item-prev",ITEM:"carousel-item"},v={ACTIVE:".active",ACTIVE_ITEM:".active.carousel-item",ITEM:".carousel-item",NEXT_PREV:".carousel-item-next, .carousel-item-prev",INDICATORS:".carousel-indicators",DATA_SLIDE:"[data-slide], [data-slide-to]",DATA_RIDE:'[data-ride="carousel"]'},T=function(){function h(e,i){n(this,h),this._items=null,this._interval=null,this._activeElement=null,this._isPaused=!1,this._isSliding=!1,this._config=this._getConfig(i),this._element=t(e)[0],this._indicatorsElement=t(this._element).find(v.INDICATORS)[0],this._addEventListeners()}return h.prototype.next=function(){if(this._isSliding)throw new Error("Carousel is sliding");this._slide(p.NEXT)},h.prototype.nextWhenVisible=function(){document.hidden||this.next()},h.prototype.prev=function(){if(this._isSliding)throw new Error("Carousel is sliding");this._slide(p.PREVIOUS)},h.prototype.pause=function(e){e||(this._isPaused=!0),t(this._element).find(v.NEXT_PREV)[0]&&r.supportsTransitionEnd()&&(r.triggerTransitionEnd(this._element),this.cycle(!0)),clearInterval(this._interval),this._interval=null},h.prototype.cycle=function(t){t||(this._isPaused=!1),this._interval&&(clearInterval(this._interval),this._interval=null),this._config.interval&&!this._isPaused&&(this._interval=setInterval((document.visibilityState?this.nextWhenVisible:this.next).bind(this),this._config.interval))},h.prototype.to=function(e){var n=this;this._activeElement=t(this._element).find(v.ACTIVE_ITEM)[0];var i=this._getItemIndex(this._activeElement);if(!(e>this._items.length-1||e<0)){if(this._isSliding)return void t(this._element).one(m.SLID,function(){return n.to(e)});if(i===e)return this.pause(),void this.cycle();var o=e>i?p.NEXT:p.PREVIOUS;this._slide(o,this._items[e])}},h.prototype.dispose=function(){t(this._element).off(l),t.removeData(this._element,a),this._items=null,this._config=null,this._element=null,this._interval=null,this._isPaused=null,this._isSliding=null,this._activeElement=null,this._indicatorsElement=null},h.prototype._getConfig=function(n){return n=t.extend({},_,n),r.typeCheckConfig(e,n,g),n},h.prototype._addEventListeners=function(){var e=this;this._config.keyboard&&t(this._element).on(m.KEYDOWN,function(t){return e._keydown(t)}),"hover"!==this._config.pause||"ontouchstart"in document.documentElement||t(this._element).on(m.MOUSEENTER,function(t){return e.pause(t)}).on(m.MOUSELEAVE,function(t){return e.cycle(t)})},h.prototype._keydown=function(t){if(!/input|textarea/i.test(t.target.tagName))switch(t.which){case d:t.preventDefault(),this.prev();break;case f:t.preventDefault(),this.next();break;default:return}},h.prototype._getItemIndex=function(e){return 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e="collapse",s="4.0.0-alpha.6",a="bs.collapse",l="."+a,h=".data-api",c=t.fn[e],u=600,d={toggle:!0,parent:""},f={toggle:"boolean",parent:"string"},_={SHOW:"show"+l,SHOWN:"shown"+l,HIDE:"hide"+l,HIDDEN:"hidden"+l,CLICK_DATA_API:"click"+l+h},g={SHOW:"show",COLLAPSE:"collapse",COLLAPSING:"collapsing",COLLAPSED:"collapsed"},p={WIDTH:"width",HEIGHT:"height"},m={ACTIVES:".card > .show, .card > .collapsing",DATA_TOGGLE:'[data-toggle="collapse"]'},E=function(){function l(e,i){n(this,l),this._isTransitioning=!1,this._element=e,this._config=this._getConfig(i),this._triggerArray=t.makeArray(t('[data-toggle="collapse"][href="#'+e.id+'"],'+('[data-toggle="collapse"][data-target="#'+e.id+'"]'))),this._parent=this._config.parent?this._getParent():null,this._config.parent||this._addAriaAndCollapsedClass(this._element,this._triggerArray),this._config.toggle&&this.toggle()}return l.prototype.toggle=function(){t(this._element).hasClass(g.SHOW)?this.hide():this.show()},l.prototype.show=function(){var e=this;if(this._isTransitioning)throw new Error("Collapse is transitioning");if(!t(this._element).hasClass(g.SHOW)){var n=void 0,i=void 0;if(this._parent&&(n=t.makeArray(t(this._parent).find(m.ACTIVES)),n.length||(n=null)),!(n&&(i=t(n).data(a),i&&i._isTransitioning))){var o=t.Event(_.SHOW);if(t(this._element).trigger(o),!o.isDefaultPrevented()){n&&(l._jQueryInterface.call(t(n),"hide"),i||t(n).data(a,null));var s=this._getDimension();t(this._element).removeClass(g.COLLAPSE).addClass(g.COLLAPSING),this._element.style[s]=0,this._element.setAttribute("aria-expanded",!0),this._triggerArray.length&&t(this._triggerArray).removeClass(g.COLLAPSED).attr("aria-expanded",!0),this.setTransitioning(!0);var h=function(){t(e._element).removeClass(g.COLLAPSING).addClass(g.COLLAPSE).addClass(g.SHOW),e._element.style[s]="",e.setTransitioning(!1),t(e._element).trigger(_.SHOWN)};if(!r.supportsTransitionEnd())return void h();var 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e="dropdown",i="4.0.0-alpha.6",s="bs.dropdown",a="."+s,l=".data-api",h=t.fn[e],c=27,u=38,d=40,f=3,_={HIDE:"hide"+a,HIDDEN:"hidden"+a,SHOW:"show"+a,SHOWN:"shown"+a,CLICK:"click"+a,CLICK_DATA_API:"click"+a+l,FOCUSIN_DATA_API:"focusin"+a+l,KEYDOWN_DATA_API:"keydown"+a+l},g={BACKDROP:"dropdown-backdrop",DISABLED:"disabled",SHOW:"show"},p={BACKDROP:".dropdown-backdrop",DATA_TOGGLE:'[data-toggle="dropdown"]',FORM_CHILD:".dropdown form",ROLE_MENU:'[role="menu"]',ROLE_LISTBOX:'[role="listbox"]',NAVBAR_NAV:".navbar-nav",VISIBLE_ITEMS:'[role="menu"] li:not(.disabled) a, [role="listbox"] li:not(.disabled) a'},m=function(){function e(t){n(this,e),this._element=t,this._addEventListeners()}return e.prototype.toggle=function(){if(this.disabled||t(this).hasClass(g.DISABLED))return!1;var n=e._getParentFromElement(this),i=t(n).hasClass(g.SHOW);if(e._clearMenus(),i)return!1;if("ontouchstart"in document.documentElement&&!t(n).closest(p.NAVBAR_NAV).length){var o=document.createElement("div");o.className=g.BACKDROP,t(o).insertBefore(this),t(o).on("click",e._clearMenus)}var r={relatedTarget:this},s=t.Event(_.SHOW,r);return t(n).trigger(s),!s.isDefaultPrevented()&&(this.focus(),this.setAttribute("aria-expanded",!0),t(n).toggleClass(g.SHOW),t(n).trigger(t.Event(_.SHOWN,r)),!1)},e.prototype.dispose=function(){t.removeData(this._element,s),t(this._element).off(a),this._element=null},e.prototype._addEventListeners=function(){t(this._element).on(_.CLICK,this.toggle)},e._jQueryInterface=function(n){return this.each(function(){var i=t(this).data(s);if(i||(i=new e(this),t(this).data(s,i)),"string"==typeof n){if(void 0===i[n])throw new Error('No method named "'+n+'"');i[n].call(this)}})},e._clearMenus=function(n){if(!n||n.which!==f){var i=t(p.BACKDROP)[0];i&&i.parentNode.removeChild(i);for(var o=t.makeArray(t(p.DATA_TOGGLE)),r=0;r<o.length;r++){var s=e._getParentFromElement(o[r]),a={relatedTarget:o[r]};if(t(s).hasClass(g.SHOW)&&!(n&&("click"===n.type&&/input|textarea/i.test(n.target.tagName)||"focusin"===n.type)&&t.contains(s,n.target))){var l=t.Event(_.HIDE,a);t(s).trigger(l),l.isDefaultPrevented()||(o[r].setAttribute("aria-expanded","false"),t(s).removeClass(g.SHOW).trigger(t.Event(_.HIDDEN,a)))}}}},e._getParentFromElement=function(e){var n=void 0,i=r.getSelectorFromElement(e);return i&&(n=t(i)[0]),n||e.parentNode},e._dataApiKeydownHandler=function(n){if(/(38|40|27|32)/.test(n.which)&&!/input|textarea/i.test(n.target.tagName)&&(n.preventDefault(),n.stopPropagation(),!this.disabled&&!t(this).hasClass(g.DISABLED))){var i=e._getParentFromElement(this),o=t(i).hasClass(g.SHOW);if(!o&&n.which!==c||o&&n.which===c){if(n.which===c){var r=t(i).find(p.DATA_TOGGLE)[0];t(r).trigger("focus")}return void t(this).trigger("click")}var s=t(i).find(p.VISIBLE_ITEMS).get();if(s.length){var 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e="modal",s="4.0.0-alpha.6",a="bs.modal",l="."+a,h=".data-api",c=t.fn[e],u=300,d=150,f=27,_={backdrop:!0,keyboard:!0,focus:!0,show:!0},g={backdrop:"(boolean|string)",keyboard:"boolean",focus:"boolean",show:"boolean"},p={HIDE:"hide"+l,HIDDEN:"hidden"+l,SHOW:"show"+l,SHOWN:"shown"+l,FOCUSIN:"focusin"+l,RESIZE:"resize"+l,CLICK_DISMISS:"click.dismiss"+l,KEYDOWN_DISMISS:"keydown.dismiss"+l,MOUSEUP_DISMISS:"mouseup.dismiss"+l,MOUSEDOWN_DISMISS:"mousedown.dismiss"+l,CLICK_DATA_API:"click"+l+h},m={SCROLLBAR_MEASURER:"modal-scrollbar-measure",BACKDROP:"modal-backdrop",OPEN:"modal-open",FADE:"fade",SHOW:"show"},E={DIALOG:".modal-dialog",DATA_TOGGLE:'[data-toggle="modal"]',DATA_DISMISS:'[data-dismiss="modal"]',FIXED_CONTENT:".fixed-top, .fixed-bottom, .is-fixed, .sticky-top"},v=function(){function h(e,i){n(this,h),this._config=this._getConfig(i),this._element=e,this._dialog=t(e).find(E.DIALOG)[0],this._backdrop=null,this._isShown=!1,this._isBodyOverflowing=!1,this._ignoreBackdropClick=!1,this._isTransitioning=!1,this._originalBodyPadding=0,this._scrollbarWidth=0}return h.prototype.toggle=function(t){return this._isShown?this.hide():this.show(t)},h.prototype.show=function(e){var n=this;if(this._isTransitioning)throw new Error("Modal is transitioning");r.supportsTransitionEnd()&&t(this._element).hasClass(m.FADE)&&(this._isTransitioning=!0);var i=t.Event(p.SHOW,{relatedTarget:e});t(this._element).trigger(i),this._isShown||i.isDefaultPrevented()||(this._isShown=!0,this._checkScrollbar(),this._setScrollbar(),t(document.body).addClass(m.OPEN),this._setEscapeEvent(),this._setResizeEvent(),t(this._element).on(p.CLICK_DISMISS,E.DATA_DISMISS,function(t){return n.hide(t)}),t(this._dialog).on(p.MOUSEDOWN_DISMISS,function(){t(n._element).one(p.MOUSEUP_DISMISS,function(e){t(e.target).is(n._element)&&(n._ignoreBackdropClick=!0)})}),this._showBackdrop(function(){return n._showElement(e)}))},h.prototype.hide=function(e){var n=this;if(e&&e.preventDefault(),this._isTransitioning)throw new Error("Modal is transitioning");var i=r.supportsTransitionEnd()&&t(this._element).hasClass(m.FADE);i&&(this._isTransitioning=!0);var o=t.Event(p.HIDE);t(this._element).trigger(o),this._isShown&&!o.isDefaultPrevented()&&(this._isShown=!1,this._setEscapeEvent(),this._setResizeEvent(),t(document).off(p.FOCUSIN),t(this._element).removeClass(m.SHOW),t(this._element).off(p.CLICK_DISMISS),t(this._dialog).off(p.MOUSEDOWN_DISMISS),i?t(this._element).one(r.TRANSITION_END,function(t){return n._hideModal(t)}).emulateTransitionEnd(u):this._hideModal())},h.prototype.dispose=function(){t.removeData(this._element,a),t(window,document,this._element,this._backdrop).off(l),this._config=null,this._element=null,this._dialog=null,this._backdrop=null,this._isShown=null,this._isBodyOverflowing=null,this._ignoreBackdropClick=null,this._originalBodyPadding=null,this._scrollbarWidth=null},h.prototype._getConfig=function(n){return n=t.extend({},_,n),r.typeCheckConfig(e,n,g),n},h.prototype._showElement=function(e){var n=this,i=r.supportsTransitionEnd()&&t(this._element).hasClass(m.FADE);this._element.parentNode&&this._element.parentNode.nodeType===Node.ELEMENT_NODE||document.body.appendChild(this._element),this._element.style.display="block",this._element.removeAttribute("aria-hidden"),this._element.scrollTop=0,i&&r.reflow(this._element),t(this._element).addClass(m.SHOW),this._config.focus&&this._enforceFocus();var o=t.Event(p.SHOWN,{relatedTarget:e}),s=function(){n._config.focus&&n._element.focus(),n._isTransitioning=!1,t(n._element).trigger(o)};i?t(this._dialog).one(r.TRANSITION_END,s).emulateTransitionEnd(u):s()},h.prototype._enforceFocus=function(){var e=this;t(document).off(p.FOCUSIN).on(p.FOCUSIN,function(n){document===n.target||e._element===n.target||t(e._element).has(n.target).length||e._element.focus()})},h.prototype._setEscapeEvent=function(){var e=this;this._isShown&&this._config.keyboard?t(this._element).on(p.KEYDOWN_DISMISS,function(t){t.which===f&&e.hide()}):this._isShown||t(this._element).off(p.KEYDOWN_DISMISS)},h.prototype._setResizeEvent=function(){var e=this;this._isShown?t(window).on(p.RESIZE,function(t){return e._handleUpdate(t)}):t(window).off(p.RESIZE)},h.prototype._hideModal=function(){var e=this;this._element.style.display="none",this._element.setAttribute("aria-hidden","true"),this._isTransitioning=!1,this._showBackdrop(function(){t(document.body).removeClass(m.OPEN),e._resetAdjustments(),e._resetScrollbar(),t(e._element).trigger(p.HIDDEN)})},h.prototype._removeBackdrop=function(){this._backdrop&&(t(this._backdrop).remove(),this._backdrop=null)},h.prototype._showBackdrop=function(e){var n=this,i=t(this._element).hasClass(m.FADE)?m.FADE:"";if(this._isShown&&this._config.backdrop){var o=r.supportsTransitionEnd()&&i;if(this._backdrop=document.createElement("div"),this._backdrop.className=m.BACKDROP,i&&t(this._backdrop).addClass(i),t(this._backdrop).appendTo(document.body),t(this._element).on(p.CLICK_DISMISS,function(t){return n._ignoreBackdropClick?void(n._ignoreBackdropClick=!1):void(t.target===t.currentTarget&&("static"===n._config.backdrop?n._element.focus():n.hide()))}),o&&r.reflow(this._backdrop),t(this._backdrop).addClass(m.SHOW),!e)return;if(!o)return void e();t(this._backdrop).one(r.TRANSITION_END,e).emulateTransitionEnd(d)}else if(!this._isShown&&this._backdrop){t(this._backdrop).removeClass(m.SHOW);var s=function(){n._removeBackdrop(),e&&e()};r.supportsTransitionEnd()&&t(this._element).hasClass(m.FADE)?t(this._backdrop).one(r.TRANSITION_END,s).emulateTransitionEnd(d):s()}else e&&e()},h.prototype._handleUpdate=function(){this._adjustDialog()},h.prototype._adjustDialog=function(){var t=this._element.scrollHeight>document.documentElement.clientHeight;!this._isBodyOverflowing&&t&&(this._element.style.paddingLeft=this._scrollbarWidth+"px"),this._isBodyOverflowing&&!t&&(this._element.style.paddingRight=this._scrollbarWidth+"px")},h.prototype._resetAdjustments=function(){this._element.style.paddingLeft="",this._element.style.paddingRight=""},h.prototype._checkScrollbar=function(){this._isBodyOverflowing=document.body.clientWidth<window.innerWidth,this._scrollbarWidth=this._getScrollbarWidth()},h.prototype._setScrollbar=function(){var e=parseInt(t(E.FIXED_CONTENT).css("padding-right")||0,10);this._originalBodyPadding=document.body.style.paddingRight||"",this._isBodyOverflowing&&(document.body.style.paddingRight=e+this._scrollbarWidth+"px")},h.prototype._resetScrollbar=function(){document.body.style.paddingRight=this._originalBodyPadding},h.prototype._getScrollbarWidth=function(){var t=document.createElement("div");t.className=m.SCROLLBAR_MEASURER,document.body.appendChild(t);var e=t.offsetWidth-t.clientWidth;return document.body.removeChild(t),e},h._jQueryInterface=function(e,n){return this.each(function(){var o=t(this).data(a),r=t.extend({},h.Default,t(this).data(),"object"===("undefined"==typeof e?"undefined":i(e))&&e);if(o||(o=new h(this,r),t(this).data(a,o)),"string"==typeof e){if(void 0===o[e])throw new Error('No method named "'+e+'"');o[e](n)}else r.show&&o.show(n)})},o(h,null,[{key:"VERSION",get:function(){return s}},{key:"Default",get:function(){return _}}]),h}();return t(document).on(p.CLICK_DATA_API,E.DATA_TOGGLE,function(e){var n=this,i=void 0,o=r.getSelectorFromElement(this);o&&(i=t(o)[0]);var s=t(i).data(a)?"toggle":t.extend({},t(i).data(),t(this).data());"A"!==this.tagName&&"AREA"!==this.tagName||e.preventDefault();var l=t(i).one(p.SHOW,function(e){e.isDefaultPrevented()||l.one(p.HIDDEN,function(){t(n).is(":visible")&&n.focus()})});v._jQueryInterface.call(t(i),s,this)}),t.fn[e]=v._jQueryInterface,t.fn[e].Constructor=v,t.fn[e].noConflict=function(){return t.fn[e]=c,v._jQueryInterface},v}(jQuery),function(t){var e="scrollspy",s="4.0.0-alpha.6",a="bs.scrollspy",l="."+a,h=".data-api",c=t.fn[e],u={offset:10,method:"auto",target:""},d={offset:"number",method:"string",target:"(string|element)"},f={ACTIVATE:"activate"+l,SCROLL:"scroll"+l,LOAD_DATA_API:"load"+l+h},_={DROPDOWN_ITEM:"dropdown-item",DROPDOWN_MENU:"dropdown-menu",NAV_LINK:"nav-link",NAV:"nav",ACTIVE:"active"},g={DATA_SPY:'[data-spy="scroll"]',ACTIVE:".active",LIST_ITEM:".list-item",LI:"li",LI_DROPDOWN:"li.dropdown",NAV_LINKS:".nav-link",DROPDOWN:".dropdown",DROPDOWN_ITEMS:".dropdown-item",DROPDOWN_TOGGLE:".dropdown-toggle"},p={OFFSET:"offset",POSITION:"position"},m=function(){function h(e,i){var o=this;n(this,h),this._element=e,this._scrollElement="BODY"===e.tagName?window:e,this._config=this._getConfig(i),this._selector=this._config.target+" "+g.NAV_LINKS+","+(this._config.target+" "+g.DROPDOWN_ITEMS),this._offsets=[],this._targets=[],this._activeTarget=null,this._scrollHeight=0,t(this._scrollElement).on(f.SCROLL,function(t){return o._process(t)}),this.refresh(),this._process()}return h.prototype.refresh=function(){var e=this,n=this._scrollElement!==this._scrollElement.window?p.POSITION:p.OFFSET,i="auto"===this._config.method?n:this._config.method,o=i===p.POSITION?this._getScrollTop():0;this._offsets=[],this._targets=[],this._scrollHeight=this._getScrollHeight();var s=t.makeArray(t(this._selector));s.map(function(e){var n=void 0,s=r.getSelectorFromElement(e);return s&&(n=t(s)[0]),n&&(n.offsetWidth||n.offsetHeight)?[t(n)[i]().top+o,s]:null}).filter(function(t){return t}).sort(function(t,e){return t[0]-e[0]}).forEach(function(t){e._offsets.push(t[0]),e._targets.push(t[1])})},h.prototype.dispose=function(){t.removeData(this._element,a),t(this._scrollElement).off(l),this._element=null,this._scrollElement=null,this._config=null,this._selector=null,this._offsets=null,this._targets=null,this._activeTarget=null,this._scrollHeight=null},h.prototype._getConfig=function(n){if(n=t.extend({},u,n),"string"!=typeof n.target){var i=t(n.target).attr("id");i||(i=r.getUID(e),t(n.target).attr("id",i)),n.target="#"+i}return r.typeCheckConfig(e,n,d),n},h.prototype._getScrollTop=function(){return this._scrollElement===window?this._scrollElement.pageYOffset:this._scrollElement.scrollTop},h.prototype._getScrollHeight=function(){return this._scrollElement.scrollHeight||Math.max(document.body.scrollHeight,document.documentElement.scrollHeight)},h.prototype._getOffsetHeight=function(){return this._scrollElement===window?window.innerHeight:this._scrollElement.offsetHeight},h.prototype._process=function(){var t=this._getScrollTop()+this._config.offset,e=this._getScrollHeight(),n=this._config.offset+e-this._getOffsetHeight();if(this._scrollHeight!==e&&this.refresh(),t>=n){var i=this._targets[this._targets.length-1];return void(this._activeTarget!==i&&this._activate(i))}if(this._activeTarget&&t<this._offsets[0]&&this._offsets[0]>0)return this._activeTarget=null,void this._clear();for(var o=this._offsets.length;o--;){var r=this._activeTarget!==this._targets[o]&&t>=this._offsets[o]&&(void 0===this._offsets[o+1]||t<this._offsets[o+1]);r&&this._activate(this._targets[o])}},h.prototype._activate=function(e){this._activeTarget=e,this._clear();var n=this._selector.split(",");n=n.map(function(t){return t+'[data-target="'+e+'"],'+(t+'[href="'+e+'"]')});var i=t(n.join(","));i.hasClass(_.DROPDOWN_ITEM)?(i.closest(g.DROPDOWN).find(g.DROPDOWN_TOGGLE).addClass(_.ACTIVE),i.addClass(_.ACTIVE)):i.parents(g.LI).find("> "+g.NAV_LINKS).addClass(_.ACTIVE),t(this._scrollElement).trigger(f.ACTIVATE,{relatedTarget:e})},h.prototype._clear=function(){t(this._selector).filter(g.ACTIVE).removeClass(_.ACTIVE)},h._jQueryInterface=function(e){return this.each(function(){var n=t(this).data(a),o="object"===("undefined"==typeof e?"undefined":i(e))&&e;
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n=t.Event(u.HIDDEN,{relatedTarget:e._element}),o=t.Event(u.SHOWN,{relatedTarget:i});t(i).trigger(n),t(e._element).trigger(o)};n?this._activate(n,n.parentNode,h):h()}}},e.prototype.dispose=function(){t.removeClass(this._element,s),this._element=null},e.prototype._activate=function(e,n,i){var o=this,s=t(n).find(f.ACTIVE_CHILD)[0],a=i&&r.supportsTransitionEnd()&&(s&&t(s).hasClass(d.FADE)||Boolean(t(n).find(f.FADE_CHILD)[0])),l=function(){return o._transitionComplete(e,s,a,i)};s&&a?t(s).one(r.TRANSITION_END,l).emulateTransitionEnd(c):l(),s&&t(s).removeClass(d.SHOW)},e.prototype._transitionComplete=function(e,n,i,o){if(n){t(n).removeClass(d.ACTIVE);var s=t(n.parentNode).find(f.DROPDOWN_ACTIVE_CHILD)[0];s&&t(s).removeClass(d.ACTIVE),n.setAttribute("aria-expanded",!1)}if(t(e).addClass(d.ACTIVE),e.setAttribute("aria-expanded",!0),i?(r.reflow(e),t(e).addClass(d.SHOW)):t(e).removeClass(d.FADE),e.parentNode&&t(e.parentNode).hasClass(d.DROPDOWN_MENU)){var a=t(e).closest(f.DROPDOWN)[0];a&&t(a).find(f.DROPDOWN_TOGGLE).addClass(d.ACTIVE),e.setAttribute("aria-expanded",!0)}o&&o()},e._jQueryInterface=function(n){return this.each(function(){var i=t(this),o=i.data(s);if(o||(o=new e(this),i.data(s,o)),"string"==typeof n){if(void 0===o[n])throw new Error('No method named "'+n+'"');o[n]()}})},o(e,null,[{key:"VERSION",get:function(){return i}}]),e}();return t(document).on(u.CLICK_DATA_API,f.DATA_TOGGLE,function(e){e.preventDefault(),_._jQueryInterface.call(t(this),"show")}),t.fn[e]=_._jQueryInterface,t.fn[e].Constructor=_,t.fn[e].noConflict=function(){return t.fn[e]=h,_._jQueryInterface},_}(jQuery),function(t){if("undefined"==typeof Tether)throw new Error("Bootstrap tooltips require Tether (http://tether.io/)");var e="tooltip",s="4.0.0-alpha.6",a="bs.tooltip",l="."+a,h=t.fn[e],c=150,u="bs-tether",d={animation:!0,template:'<div class="tooltip" role="tooltip"><div class="tooltip-inner"></div></div>',trigger:"hover focus",title:"",delay:0,html:!1,selector:!1,placement:"top",offset:"0 0",constraints:[],container:!1},f={animation:"boolean",template:"string",title:"(string|element|function)",trigger:"string",delay:"(number|object)",html:"boolean",selector:"(string|boolean)",placement:"(string|function)",offset:"string",constraints:"array",container:"(string|element|boolean)"},_={TOP:"bottom center",RIGHT:"middle left",BOTTOM:"top center",LEFT:"middle right"},g={SHOW:"show",OUT:"out"},p={HIDE:"hide"+l,HIDDEN:"hidden"+l,SHOW:"show"+l,SHOWN:"shown"+l,INSERTED:"inserted"+l,CLICK:"click"+l,FOCUSIN:"focusin"+l,FOCUSOUT:"focusout"+l,MOUSEENTER:"mouseenter"+l,MOUSELEAVE:"mouseleave"+l},m={FADE:"fade",SHOW:"show"},E={TOOLTIP:".tooltip",TOOLTIP_INNER:".tooltip-inner"},v={element:!1,enabled:!1},T={HOVER:"hover",FOCUS:"focus",CLICK:"click",MANUAL:"manual"},I=function(){function h(t,e){n(this,h),this._isEnabled=!0,this._timeout=0,this._hoverState="",this._activeTrigger={},this._isTransitioning=!1,this._tether=null,this.element=t,this.config=this._getConfig(e),this.tip=null,this._setListeners()}return h.prototype.enable=function(){this._isEnabled=!0},h.prototype.disable=function(){this._isEnabled=!1},h.prototype.toggleEnabled=function(){this._isEnabled=!this._isEnabled},h.prototype.toggle=function(e){if(e){var n=this.constructor.DATA_KEY,i=t(e.currentTarget).data(n);i||(i=new this.constructor(e.currentTarget,this._getDelegateConfig()),t(e.currentTarget).data(n,i)),i._activeTrigger.click=!i._activeTrigger.click,i._isWithActiveTrigger()?i._enter(null,i):i._leave(null,i)}else{if(t(this.getTipElement()).hasClass(m.SHOW))return void this._leave(null,this);this._enter(null,this)}},h.prototype.dispose=function(){clearTimeout(this._timeout),this.cleanupTether(),t.removeData(this.element,this.constructor.DATA_KEY),t(this.element).off(this.constructor.EVENT_KEY),t(this.element).closest(".modal").off("hide.bs.modal"),this.tip&&t(this.tip).remove(),this._isEnabled=null,this._timeout=null,this._hoverState=null,this._activeTrigger=null,this._tether=null,this.element=null,this.config=null,this.tip=null},h.prototype.show=function(){var e=this;if("none"===t(this.element).css("display"))throw new Error("Please use show on visible elements");var n=t.Event(this.constructor.Event.SHOW);if(this.isWithContent()&&this._isEnabled){if(this._isTransitioning)throw new Error("Tooltip is transitioning");t(this.element).trigger(n);var i=t.contains(this.element.ownerDocument.documentElement,this.element);if(n.isDefaultPrevented()||!i)return;var o=this.getTipElement(),s=r.getUID(this.constructor.NAME);o.setAttribute("id",s),this.element.setAttribute("aria-describedby",s),this.setContent(),this.config.animation&&t(o).addClass(m.FADE);var a="function"==typeof this.config.placement?this.config.placement.call(this,o,this.element):this.config.placement,l=this._getAttachment(a),c=this.config.container===!1?document.body:t(this.config.container);t(o).data(this.constructor.DATA_KEY,this).appendTo(c),t(this.element).trigger(this.constructor.Event.INSERTED),this._tether=new Tether({attachment:l,element:o,target:this.element,classes:v,classPrefix:u,offset:this.config.offset,constraints:this.config.constraints,addTargetClasses:!1}),r.reflow(o),this._tether.position(),t(o).addClass(m.SHOW);var d=function(){var n=e._hoverState;e._hoverState=null,e._isTransitioning=!1,t(e.element).trigger(e.constructor.Event.SHOWN),n===g.OUT&&e._leave(null,e)};if(r.supportsTransitionEnd()&&t(this.tip).hasClass(m.FADE))return this._isTransitioning=!0,void t(this.tip).one(r.TRANSITION_END,d).emulateTransitionEnd(h._TRANSITION_DURATION);d()}},h.prototype.hide=function(e){var n=this,i=this.getTipElement(),o=t.Event(this.constructor.Event.HIDE);if(this._isTransitioning)throw new Error("Tooltip is transitioning");var s=function(){n._hoverState!==g.SHOW&&i.parentNode&&i.parentNode.removeChild(i),n.element.removeAttribute("aria-describedby"),t(n.element).trigger(n.constructor.Event.HIDDEN),n._isTransitioning=!1,n.cleanupTether(),e&&e()};t(this.element).trigger(o),o.isDefaultPrevented()||(t(i).removeClass(m.SHOW),this._activeTrigger[T.CLICK]=!1,this._activeTrigger[T.FOCUS]=!1,this._activeTrigger[T.HOVER]=!1,r.supportsTransitionEnd()&&t(this.tip).hasClass(m.FADE)?(this._isTransitioning=!0,t(i).one(r.TRANSITION_END,s).emulateTransitionEnd(c)):s(),this._hoverState="")},h.prototype.isWithContent=function(){return Boolean(this.getTitle())},h.prototype.getTipElement=function(){return this.tip=this.tip||t(this.config.template)[0]},h.prototype.setContent=function(){var e=t(this.getTipElement());this.setElementContent(e.find(E.TOOLTIP_INNER),this.getTitle()),e.removeClass(m.FADE+" "+m.SHOW),this.cleanupTether()},h.prototype.setElementContent=function(e,n){var o=this.config.html;"object"===("undefined"==typeof n?"undefined":i(n))&&(n.nodeType||n.jquery)?o?t(n).parent().is(e)||e.empty().append(n):e.text(t(n).text()):e[o?"html":"text"](n)},h.prototype.getTitle=function(){var t=this.element.getAttribute("data-original-title");return t||(t="function"==typeof this.config.title?this.config.title.call(this.element):this.config.title),t},h.prototype.cleanupTether=function(){this._tether&&this._tether.destroy()},h.prototype._getAttachment=function(t){return _[t.toUpperCase()]},h.prototype._setListeners=function(){var e=this,n=this.config.trigger.split(" ");n.forEach(function(n){if("click"===n)t(e.element).on(e.constructor.Event.CLICK,e.config.selector,function(t){return e.toggle(t)});else if(n!==T.MANUAL){var i=n===T.HOVER?e.constructor.Event.MOUSEENTER:e.constructor.Event.FOCUSIN,o=n===T.HOVER?e.constructor.Event.MOUSELEAVE:e.constructor.Event.FOCUSOUT;t(e.element).on(i,e.config.selector,function(t){return e._enter(t)}).on(o,e.config.selector,function(t){return e._leave(t)})}t(e.element).closest(".modal").on("hide.bs.modal",function(){return e.hide()})}),this.config.selector?this.config=t.extend({},this.config,{trigger:"manual",selector:""}):this._fixTitle()},h.prototype._fixTitle=function(){var t=i(this.element.getAttribute("data-original-title"));(this.element.getAttribute("title")||"string"!==t)&&(this.element.setAttribute("data-original-title",this.element.getAttribute("title")||""),this.element.setAttribute("title",""))},h.prototype._enter=function(e,n){var i=this.constructor.DATA_KEY;return n=n||t(e.currentTarget).data(i),n||(n=new this.constructor(e.currentTarget,this._getDelegateConfig()),t(e.currentTarget).data(i,n)),e&&(n._activeTrigger["focusin"===e.type?T.FOCUS:T.HOVER]=!0),t(n.getTipElement()).hasClass(m.SHOW)||n._hoverState===g.SHOW?void(n._hoverState=g.SHOW):(clearTimeout(n._timeout),n._hoverState=g.SHOW,n.config.delay&&n.config.delay.show?void(n._timeout=setTimeout(function(){n._hoverState===g.SHOW&&n.show()},n.config.delay.show)):void n.show())},h.prototype._leave=function(e,n){var i=this.constructor.DATA_KEY;if(n=n||t(e.currentTarget).data(i),n||(n=new this.constructor(e.currentTarget,this._getDelegateConfig()),t(e.currentTarget).data(i,n)),e&&(n._activeTrigger["focusout"===e.type?T.FOCUS:T.HOVER]=!1),!n._isWithActiveTrigger())return clearTimeout(n._timeout),n._hoverState=g.OUT,n.config.delay&&n.config.delay.hide?void(n._timeout=setTimeout(function(){n._hoverState===g.OUT&&n.hide()},n.config.delay.hide)):void n.hide()},h.prototype._isWithActiveTrigger=function(){for(var t in this._activeTrigger)if(this._activeTrigger[t])return!0;return!1},h.prototype._getConfig=function(n){return n=t.extend({},this.constructor.Default,t(this.element).data(),n),n.delay&&"number"==typeof n.delay&&(n.delay={show:n.delay,hide:n.delay}),r.typeCheckConfig(e,n,this.constructor.DefaultType),n},h.prototype._getDelegateConfig=function(){var t={};if(this.config)for(var e in this.config)this.constructor.Default[e]!==this.config[e]&&(t[e]=this.config[e]);return t},h._jQueryInterface=function(e){return this.each(function(){var n=t(this).data(a),o="object"===("undefined"==typeof e?"undefined":i(e))&&e;if((n||!/dispose|hide/.test(e))&&(n||(n=new h(this,o),t(this).data(a,n)),"string"==typeof e)){if(void 0===n[e])throw new Error('No method named "'+e+'"');n[e]()}})},o(h,null,[{key:"VERSION",get:function(){return s}},{key:"Default",get:function(){return d}},{key:"NAME",get:function(){return e}},{key:"DATA_KEY",get:function(){return a}},{key:"Event",get:function(){return p}},{key:"EVENT_KEY",get:function(){return l}},{key:"DefaultType",get:function(){return f}}]),h}();return t.fn[e]=I._jQueryInterface,t.fn[e].Constructor=I,t.fn[e].noConflict=function(){return t.fn[e]=h,I._jQueryInterface},I}(jQuery));(function(r){var a="popover",l="4.0.0-alpha.6",h="bs.popover",c="."+h,u=r.fn[a],d=r.extend({},s.Default,{placement:"right",trigger:"click",content:"",template:'<div class="popover" role="tooltip"><h3 class="popover-title"></h3><div class="popover-content"></div></div>'}),f=r.extend({},s.DefaultType,{content:"(string|element|function)"}),_={FADE:"fade",SHOW:"show"},g={TITLE:".popover-title",CONTENT:".popover-content"},p={HIDE:"hide"+c,HIDDEN:"hidden"+c,SHOW:"show"+c,SHOWN:"shown"+c,INSERTED:"inserted"+c,CLICK:"click"+c,FOCUSIN:"focusin"+c,FOCUSOUT:"focusout"+c,MOUSEENTER:"mouseenter"+c,MOUSELEAVE:"mouseleave"+c},m=function(s){function u(){return n(this,u),t(this,s.apply(this,arguments))}return e(u,s),u.prototype.isWithContent=function(){return this.getTitle()||this._getContent()},u.prototype.getTipElement=function(){return this.tip=this.tip||r(this.config.template)[0]},u.prototype.setContent=function(){var t=r(this.getTipElement());this.setElementContent(t.find(g.TITLE),this.getTitle()),this.setElementContent(t.find(g.CONTENT),this._getContent()),t.removeClass(_.FADE+" "+_.SHOW),this.cleanupTether()},u.prototype._getContent=function(){return this.element.getAttribute("data-content")||("function"==typeof this.config.content?this.config.content.call(this.element):this.config.content)},u._jQueryInterface=function(t){return this.each(function(){var e=r(this).data(h),n="object"===("undefined"==typeof t?"undefined":i(t))?t:null;if((e||!/destroy|hide/.test(t))&&(e||(e=new u(this,n),r(this).data(h,e)),"string"==typeof t)){if(void 0===e[t])throw new Error('No method named "'+t+'"');e[t]()}})},o(u,null,[{key:"VERSION",get:function(){return l}},{key:"Default",get:function(){return d}},{key:"NAME",get:function(){return a}},{key:"DATA_KEY",get:function(){return h}},{key:"Event",get:function(){return p}},{key:"EVENT_KEY",get:function(){return c}},{key:"DefaultType",get:function(){return f}}]),u}(s);return r.fn[a]=m._jQueryInterface,r.fn[a].Constructor=m,r.fn[a].noConflict=function(){return r.fn[a]=u,m._jQueryInterface},m})(jQuery)}();
\ No newline at end of file
+if("undefined"==typeof jQuery)throw new Error("Bootstrap's JavaScript requires jQuery. jQuery must be included before Bootstrap's JavaScript.");!function(t){var e=t.fn.jquery.split(" ")[0].split(".");if(e[0]<2&&e[1]<9||1==e[0]&&9==e[1]&&e[2]<1||e[0]>=4)throw new Error("Bootstrap's JavaScript requires at least jQuery v1.9.1 but less than v4.0.0")}(jQuery),function(){function t(t,e){if(!t)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return!e||"object"!=typeof e&&"function"!=typeof e?t:e}function e(t,e){if("function"!=typeof e&&null!==e)throw new TypeError("Super expression must either be null or a function, not "+typeof e);t.prototype=Object.create(e&&e.prototype,{constructor:{value:t,enumerable:!1,writable:!0,configurable:!0}}),e&&(Object.setPrototypeOf?Object.setPrototypeOf(t,e):t.__proto__=e)}function n(t,e){if(!(t instanceof e))throw new TypeError("Cannot call a class as a function")}var i="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(t){return typeof t}:function(t){return t&&"function"==typeof Symbol&&t.constructor===Symbol&&t!==Symbol.prototype?"symbol":typeof t},o=function(){function t(t,e){for(var n=0;n<e.length;n++){var i=e[n];i.enumerable=i.enumerable||!1,i.configurable=!0,"value"in i&&(i.writable=!0),Object.defineProperty(t,i.key,i)}}return function(e,n,i){return n&&t(e.prototype,n),i&&t(e,i),e}}(),r=function(t){
+// shoutout AngusCroll (https://goo.gl/pxwQGp)
+function e(t){return{}.toString.call(t).match(/\s([a-zA-Z]+)/)[1].toLowerCase()}function n(t){return(t[0]||t).nodeType}function i(){return{bindType:s.end,delegateType:s.end,handle:function(e){if(t(e.target).is(this))return e.handleObj.handler.apply(this,arguments)}}}function o(){if(window.QUnit)return!1;var t=document.createElement("bootstrap");for(var e in a)if(void 0!==t.style[e])return{end:a[e]};return!1}function r(e){var n=this,i=!1;return t(this).one(l.TRANSITION_END,function(){i=!0}),setTimeout(function(){i||l.triggerTransitionEnd(n)},e),this}/**
+   * ------------------------------------------------------------------------
+   * Private TransitionEnd Helpers
+   * ------------------------------------------------------------------------
+   */
+var s=!1,a={WebkitTransition:"webkitTransitionEnd",MozTransition:"transitionend",OTransition:"oTransitionEnd otransitionend",transition:"transitionend"},l={TRANSITION_END:"bsTransitionEnd",getUID:function(t){do{
+// eslint-disable-next-line no-bitwise
+t+=~~(1e6*Math.random())}while(document.getElementById(t));return t},getSelectorFromElement:function(e){var n=e.getAttribute("data-target");n&&"#"!==n||(n=e.getAttribute("href")||"");try{return t(n).length>0?n:null}catch(t){return null}},reflow:function(t){return t.offsetHeight},triggerTransitionEnd:function(e){t(e).trigger(s.end)},supportsTransitionEnd:function(){return Boolean(s)},typeCheckConfig:function(t,i,o){for(var r in o)if(o.hasOwnProperty(r)){var s=o[r],a=i[r],l=a&&n(a)?"element":e(a);if(!new RegExp(s).test(l))throw new Error(t.toUpperCase()+': Option "'+r+'" provided type "'+l+'" but expected type "'+s+'".')}}};return function(){s=o(),t.fn.emulateTransitionEnd=r,l.supportsTransitionEnd()&&(t.event.special[l.TRANSITION_END]=i())}(),l}(jQuery),s=(function(t){/**
+   * ------------------------------------------------------------------------
+   * Constants
+   * ------------------------------------------------------------------------
+   */
+var e="alert",i=t.fn[e],s={DISMISS:'[data-dismiss="alert"]'},a={CLOSE:"close.bs.alert",CLOSED:"closed.bs.alert",CLICK_DATA_API:"click.bs.alert.data-api"},l={ALERT:"alert",FADE:"fade",SHOW:"show"},c=function(){function e(t){n(this,e),this._element=t}
+// getters
+// public
+// private
+// static
+return e.prototype.close=function(t){t=t||this._element;var e=this._getRootElement(t);this._triggerCloseEvent(e).isDefaultPrevented()||this._removeElement(e)},e.prototype.dispose=function(){t.removeData(this._element,"bs.alert"),this._element=null},e.prototype._getRootElement=function(e){var n=r.getSelectorFromElement(e),i=!1;return n&&(i=t(n)[0]),i||(i=t(e).closest("."+l.ALERT)[0]),i},e.prototype._triggerCloseEvent=function(e){var n=t.Event(a.CLOSE);return t(e).trigger(n),n},e.prototype._removeElement=function(e){var n=this;if(t(e).removeClass(l.SHOW),!r.supportsTransitionEnd()||!t(e).hasClass(l.FADE))return void this._destroyElement(e);t(e).one(r.TRANSITION_END,function(t){return n._destroyElement(e,t)}).emulateTransitionEnd(150)},e.prototype._destroyElement=function(e){t(e).detach().trigger(a.CLOSED).remove()},e._jQueryInterface=function(n){return this.each(function(){var i=t(this),o=i.data("bs.alert");o||(o=new e(this),i.data("bs.alert",o)),"close"===n&&o[n](this)})},e._handleDismiss=function(t){return function(e){e&&e.preventDefault(),t.close(this)}},o(e,null,[{key:"VERSION",get:function(){return"4.0.0-alpha.6"}}]),e}();/**
+   * ------------------------------------------------------------------------
+   * Data Api implementation
+   * ------------------------------------------------------------------------
+   */
+t(document).on(a.CLICK_DATA_API,s.DISMISS,c._handleDismiss(new c)),/**
+   * ------------------------------------------------------------------------
+   * jQuery
+   * ------------------------------------------------------------------------
+   */
+t.fn[e]=c._jQueryInterface,t.fn[e].Constructor=c,t.fn[e].noConflict=function(){return t.fn[e]=i,c._jQueryInterface}}(jQuery),function(t){/**
+   * ------------------------------------------------------------------------
+   * Constants
+   * ------------------------------------------------------------------------
+   */
+var e="button",i=t.fn[e],r={ACTIVE:"active",BUTTON:"btn",FOCUS:"focus"},s={DATA_TOGGLE_CARROT:'[data-toggle^="button"]',DATA_TOGGLE:'[data-toggle="buttons"]',INPUT:"input",ACTIVE:".active",BUTTON:".btn"},a={CLICK_DATA_API:"click.bs.button.data-api",FOCUS_BLUR_DATA_API:"focus.bs.button.data-api blur.bs.button.data-api"},l=function(){function e(t){n(this,e),this._element=t}
+// getters
+// public
+// static
+return e.prototype.toggle=function(){var e=!0,n=!0,i=t(this._element).closest(s.DATA_TOGGLE)[0];if(i){var o=t(this._element).find(s.INPUT)[0];if(o){if("radio"===o.type)if(o.checked&&t(this._element).hasClass(r.ACTIVE))e=!1;else{var a=t(i).find(s.ACTIVE)[0];a&&t(a).removeClass(r.ACTIVE)}if(e){if(o.hasAttribute("disabled")||i.hasAttribute("disabled")||o.classList.contains("disabled")||i.classList.contains("disabled"))return;o.checked=!t(this._element).hasClass(r.ACTIVE),t(o).trigger("change")}o.focus(),n=!1}}n&&this._element.setAttribute("aria-pressed",!t(this._element).hasClass(r.ACTIVE)),e&&t(this._element).toggleClass(r.ACTIVE)},e.prototype.dispose=function(){t.removeData(this._element,"bs.button"),this._element=null},e._jQueryInterface=function(n){return this.each(function(){var i=t(this).data("bs.button");i||(i=new e(this),t(this).data("bs.button",i)),"toggle"===n&&i[n]()})},o(e,null,[{key:"VERSION",get:function(){return"4.0.0-alpha.6"}}]),e}();/**
+   * ------------------------------------------------------------------------
+   * Data Api implementation
+   * ------------------------------------------------------------------------
+   */
+t(document).on(a.CLICK_DATA_API,s.DATA_TOGGLE_CARROT,function(e){e.preventDefault();var n=e.target;t(n).hasClass(r.BUTTON)||(n=t(n).closest(s.BUTTON)),l._jQueryInterface.call(t(n),"toggle")}).on(a.FOCUS_BLUR_DATA_API,s.DATA_TOGGLE_CARROT,function(e){var n=t(e.target).closest(s.BUTTON)[0];t(n).toggleClass(r.FOCUS,/^focus(in)?$/.test(e.type))}),/**
+   * ------------------------------------------------------------------------
+   * jQuery
+   * ------------------------------------------------------------------------
+   */
+t.fn[e]=l._jQueryInterface,t.fn[e].Constructor=l,t.fn[e].noConflict=function(){return t.fn[e]=i,l._jQueryInterface}}(jQuery),function(t){/**
+   * ------------------------------------------------------------------------
+   * Constants
+   * ------------------------------------------------------------------------
+   */
+var e="carousel",s="bs.carousel",a="."+s,l=t.fn[e],c={interval:5e3,keyboard:!0,slide:!1,pause:"hover",wrap:!0},h={interval:"(number|boolean)",keyboard:"boolean",slide:"(boolean|string)",pause:"(string|boolean)",wrap:"boolean"},u={NEXT:"next",PREV:"prev",LEFT:"left",RIGHT:"right"},d={SLIDE:"slide"+a,SLID:"slid"+a,KEYDOWN:"keydown"+a,MOUSEENTER:"mouseenter"+a,MOUSELEAVE:"mouseleave"+a,TOUCHEND:"touchend"+a,LOAD_DATA_API:"load.bs.carousel.data-api",CLICK_DATA_API:"click.bs.carousel.data-api"},f={CAROUSEL:"carousel",ACTIVE:"active",SLIDE:"slide",RIGHT:"carousel-item-right",LEFT:"carousel-item-left",NEXT:"carousel-item-next",PREV:"carousel-item-prev",ITEM:"carousel-item"},p={ACTIVE:".active",ACTIVE_ITEM:".active.carousel-item",ITEM:".carousel-item",NEXT_PREV:".carousel-item-next, .carousel-item-prev",INDICATORS:".carousel-indicators",DATA_SLIDE:"[data-slide], [data-slide-to]",DATA_RIDE:'[data-ride="carousel"]'},_=function(){function l(e,i){n(this,l),this._items=null,this._interval=null,this._activeElement=null,this._isPaused=!1,this._isSliding=!1,this.touchTimeout=null,this._config=this._getConfig(i),this._element=t(e)[0],this._indicatorsElement=t(this._element).find(p.INDICATORS)[0],this._addEventListeners()}
+// getters
+// public
+// private
+// static
+return l.prototype.next=function(){this._isSliding||this._slide(u.NEXT)},l.prototype.nextWhenVisible=function(){
+// Don't call next when the page isn't visible
+document.hidden||this.next()},l.prototype.prev=function(){this._isSliding||this._slide(u.PREV)},l.prototype.pause=function(e){e||(this._isPaused=!0),t(this._element).find(p.NEXT_PREV)[0]&&r.supportsTransitionEnd()&&(r.triggerTransitionEnd(this._element),this.cycle(!0)),clearInterval(this._interval),this._interval=null},l.prototype.cycle=function(t){t||(this._isPaused=!1),this._interval&&(clearInterval(this._interval),this._interval=null),this._config.interval&&!this._isPaused&&(this._interval=setInterval((document.visibilityState?this.nextWhenVisible:this.next).bind(this),this._config.interval))},l.prototype.to=function(e){var n=this;this._activeElement=t(this._element).find(p.ACTIVE_ITEM)[0];var i=this._getItemIndex(this._activeElement);if(!(e>this._items.length-1||e<0)){if(this._isSliding)return void t(this._element).one(d.SLID,function(){return n.to(e)});if(i===e)return this.pause(),void this.cycle();var o=e>i?u.NEXT:u.PREV;this._slide(o,this._items[e])}},l.prototype.dispose=function(){t(this._element).off(a),t.removeData(this._element,s),this._items=null,this._config=null,this._element=null,this._interval=null,this._isPaused=null,this._isSliding=null,this._activeElement=null,this._indicatorsElement=null},l.prototype._getConfig=function(n){return n=t.extend({},c,n),r.typeCheckConfig(e,n,h),n},l.prototype._addEventListeners=function(){var e=this;this._config.keyboard&&t(this._element).on(d.KEYDOWN,function(t){return e._keydown(t)}),"hover"===this._config.pause&&(t(this._element).on(d.MOUSEENTER,function(t){return e.pause(t)}).on(d.MOUSELEAVE,function(t){return e.cycle(t)}),"ontouchstart"in document.documentElement&&
+// if it's a touch-enabled device, mouseenter/leave are fired as
+// part of the mouse compatibility events on first tap - the carousel
+// would stop cycling until user tapped out of it;
+// here, we listen for touchend, explicitly pause the carousel
+// (as if it's the second time we tap on it, mouseenter compat event
+// is NOT fired) and after a timeout (to allow for mouse compatibility
+// events to fire) we explicitly restart cycling
+t(this._element).on(d.TOUCHEND,function(){e.pause(),e.touchTimeout&&clearTimeout(e.touchTimeout),e.touchTimeout=setTimeout(function(t){return e.cycle(t)},500+e._config.interval)}))},l.prototype._keydown=function(t){if(!/input|textarea/i.test(t.target.tagName))switch(t.which){case 37:t.preventDefault(),this.prev();break;case 39:t.preventDefault(),this.next();break;default:return}},l.prototype._getItemIndex=function(e){return this._items=t.makeArray(t(e).parent().find(p.ITEM)),this._items.indexOf(e)},l.prototype._getItemByDirection=function(t,e){var n=t===u.NEXT,i=t===u.PREV,o=this._getItemIndex(e),r=this._items.length-1;if((i&&0===o||n&&o===r)&&!this._config.wrap)return e;var s=t===u.PREV?-1:1,a=(o+s)%this._items.length;return-1===a?this._items[this._items.length-1]:this._items[a]},l.prototype._triggerSlideEvent=function(e,n){var i=this._getItemIndex(e),o=this._getItemIndex(t(this._element).find(p.ACTIVE_ITEM)[0]),r=t.Event(d.SLIDE,{relatedTarget:e,direction:n,from:o,to:i});return t(this._element).trigger(r),r},l.prototype._setActiveIndicatorElement=function(e){if(this._indicatorsElement){t(this._indicatorsElement).find(p.ACTIVE).removeClass(f.ACTIVE);var n=this._indicatorsElement.children[this._getItemIndex(e)];n&&t(n).addClass(f.ACTIVE)}},l.prototype._slide=function(e,n){var i=this,o=t(this._element).find(p.ACTIVE_ITEM)[0],s=this._getItemIndex(o),a=n||o&&this._getItemByDirection(e,o),l=this._getItemIndex(a),c=Boolean(this._interval),h=void 0,_=void 0,g=void 0;if(e===u.NEXT?(h=f.LEFT,_=f.NEXT,g=u.LEFT):(h=f.RIGHT,_=f.PREV,g=u.RIGHT),a&&t(a).hasClass(f.ACTIVE))return void(this._isSliding=!1);if(!this._triggerSlideEvent(a,g).isDefaultPrevented()&&o&&a){this._isSliding=!0,c&&this.pause(),this._setActiveIndicatorElement(a);var m=t.Event(d.SLID,{relatedTarget:a,direction:g,from:s,to:l});r.supportsTransitionEnd()&&t(this._element).hasClass(f.SLIDE)?(t(a).addClass(_),r.reflow(a),t(o).addClass(h),t(a).addClass(h),t(o).one(r.TRANSITION_END,function(){t(a).removeClass(h+" "+_).addClass(f.ACTIVE),t(o).removeClass(f.ACTIVE+" "+_+" "+h),i._isSliding=!1,setTimeout(function(){return t(i._element).trigger(m)},0)}).emulateTransitionEnd(600)):(t(o).removeClass(f.ACTIVE),t(a).addClass(f.ACTIVE),this._isSliding=!1,t(this._element).trigger(m)),c&&this.cycle()}},l._jQueryInterface=function(e){return this.each(function(){var n=t(this).data(s),o=t.extend({},c,t(this).data());"object"===(void 0===e?"undefined":i(e))&&t.extend(o,e);var r="string"==typeof e?e:o.slide;if(n||(n=new l(this,o),t(this).data(s,n)),"number"==typeof e)n.to(e);else if("string"==typeof r){if(void 0===n[r])throw new Error('No method named "'+r+'"');n[r]()}else o.interval&&(n.pause(),n.cycle())})},l._dataApiClickHandler=function(e){var n=r.getSelectorFromElement(this);if(n){var i=t(n)[0];if(i&&t(i).hasClass(f.CAROUSEL)){var o=t.extend({},t(i).data(),t(this).data()),a=this.getAttribute("data-slide-to");a&&(o.interval=!1),l._jQueryInterface.call(t(i),o),a&&t(i).data(s).to(a),e.preventDefault()}}},o(l,null,[{key:"VERSION",get:function(){return"4.0.0-alpha.6"}},{key:"Default",get:function(){return c}}]),l}();/**
+   * ------------------------------------------------------------------------
+   * Data Api implementation
+   * ------------------------------------------------------------------------
+   */
+t(document).on(d.CLICK_DATA_API,p.DATA_SLIDE,_._dataApiClickHandler),t(window).on(d.LOAD_DATA_API,function(){t(p.DATA_RIDE).each(function(){var e=t(this);_._jQueryInterface.call(e,e.data())})}),/**
+   * ------------------------------------------------------------------------
+   * jQuery
+   * ------------------------------------------------------------------------
+   */
+t.fn[e]=_._jQueryInterface,t.fn[e].Constructor=_,t.fn[e].noConflict=function(){return t.fn[e]=l,_._jQueryInterface}}(jQuery),function(t){/**
+   * ------------------------------------------------------------------------
+   * Constants
+   * ------------------------------------------------------------------------
+   */
+var e="collapse",s="bs.collapse",a=t.fn[e],l={toggle:!0,parent:""},c={toggle:"boolean",parent:"string"},h={SHOW:"show."+s,SHOWN:"shown."+s,HIDE:"hide."+s,HIDDEN:"hidden."+s,CLICK_DATA_API:"click.bs.collapse.data-api"},u={SHOW:"show",COLLAPSE:"collapse",COLLAPSING:"collapsing",COLLAPSED:"collapsed"},d={WIDTH:"width",HEIGHT:"height"},f={ACTIVES:".show, .collapsing",DATA_TOGGLE:'[data-toggle="collapse"]'},p=function(){function a(e,i){n(this,a),this._isTransitioning=!1,this._element=e,this._config=this._getConfig(i),this._triggerArray=t.makeArray(t('[data-toggle="collapse"][href="#'+e.id+'"],[data-toggle="collapse"][data-target="#'+e.id+'"]')),this._parent=this._config.parent?this._getParent():null,this._config.parent||this._addAriaAndCollapsedClass(this._element,this._triggerArray),this._config.toggle&&this.toggle()}
+// getters
+// public
+// private
+// static
+return a.prototype.toggle=function(){t(this._element).hasClass(u.SHOW)?this.hide():this.show()},a.prototype.show=function(){var e=this;if(!this._isTransitioning&&!t(this._element).hasClass(u.SHOW)){var n=void 0,i=void 0;if(this._parent&&(n=t.makeArray(t(this._parent).children().children(f.ACTIVES)),n.length||(n=null)),!(n&&(i=t(n).data(s))&&i._isTransitioning)){var o=t.Event(h.SHOW);if(t(this._element).trigger(o),!o.isDefaultPrevented()){n&&(a._jQueryInterface.call(t(n),"hide"),i||t(n).data(s,null));var l=this._getDimension();t(this._element).removeClass(u.COLLAPSE).addClass(u.COLLAPSING),this._element.style[l]=0,this._triggerArray.length&&t(this._triggerArray).removeClass(u.COLLAPSED).attr("aria-expanded",!0),this.setTransitioning(!0);var c=function(){t(e._element).removeClass(u.COLLAPSING).addClass(u.COLLAPSE).addClass(u.SHOW),e._element.style[l]="",e.setTransitioning(!1),t(e._element).trigger(h.SHOWN)};if(!r.supportsTransitionEnd())return void c();var d=l[0].toUpperCase()+l.slice(1),p="scroll"+d;t(this._element).one(r.TRANSITION_END,c).emulateTransitionEnd(600),this._element.style[l]=this._element[p]+"px"}}}},a.prototype.hide=function(){var e=this;if(!this._isTransitioning&&t(this._element).hasClass(u.SHOW)){var n=t.Event(h.HIDE);if(t(this._element).trigger(n),!n.isDefaultPrevented()){var i=this._getDimension();this._element.style[i]=this._element.getBoundingClientRect()[i]+"px",r.reflow(this._element),t(this._element).addClass(u.COLLAPSING).removeClass(u.COLLAPSE).removeClass(u.SHOW),this._triggerArray.length&&t(this._triggerArray).addClass(u.COLLAPSED).attr("aria-expanded",!1),this.setTransitioning(!0);var o=function(){e.setTransitioning(!1),t(e._element).removeClass(u.COLLAPSING).addClass(u.COLLAPSE).trigger(h.HIDDEN)};if(this._element.style[i]="",!r.supportsTransitionEnd())return void o();t(this._element).one(r.TRANSITION_END,o).emulateTransitionEnd(600)}}},a.prototype.setTransitioning=function(t){this._isTransitioning=t},a.prototype.dispose=function(){t.removeData(this._element,s),this._config=null,this._parent=null,this._element=null,this._triggerArray=null,this._isTransitioning=null},a.prototype._getConfig=function(n){// coerce string values
+return n=t.extend({},l,n),n.toggle=Boolean(n.toggle),r.typeCheckConfig(e,n,c),n},a.prototype._getDimension=function(){return t(this._element).hasClass(d.WIDTH)?d.WIDTH:d.HEIGHT},a.prototype._getParent=function(){var e=this,n=t(this._config.parent)[0],i='[data-toggle="collapse"][data-parent="'+this._config.parent+'"]';return t(n).find(i).each(function(t,n){e._addAriaAndCollapsedClass(a._getTargetFromElement(n),[n])}),n},a.prototype._addAriaAndCollapsedClass=function(e,n){if(e){var i=t(e).hasClass(u.SHOW);n.length&&t(n).toggleClass(u.COLLAPSED,!i).attr("aria-expanded",i)}},a._getTargetFromElement=function(e){var n=r.getSelectorFromElement(e);return n?t(n)[0]:null},a._jQueryInterface=function(e){return this.each(function(){var n=t(this),o=n.data(s),r=t.extend({},l,n.data(),"object"===(void 0===e?"undefined":i(e))&&e);if(!o&&r.toggle&&/show|hide/.test(e)&&(r.toggle=!1),o||(o=new a(this,r),n.data(s,o)),"string"==typeof e){if(void 0===o[e])throw new Error('No method named "'+e+'"');o[e]()}})},o(a,null,[{key:"VERSION",get:function(){return"4.0.0-alpha.6"}},{key:"Default",get:function(){return l}}]),a}();/**
+   * ------------------------------------------------------------------------
+   * Data Api implementation
+   * ------------------------------------------------------------------------
+   */
+t(document).on(h.CLICK_DATA_API,f.DATA_TOGGLE,function(e){/input|textarea/i.test(e.target.tagName)||e.preventDefault();var n=p._getTargetFromElement(this),i=t(n).data(s),o=i?"toggle":t(this).data();p._jQueryInterface.call(t(n),o)}),/**
+   * ------------------------------------------------------------------------
+   * jQuery
+   * ------------------------------------------------------------------------
+   */
+t.fn[e]=p._jQueryInterface,t.fn[e].Constructor=p,t.fn[e].noConflict=function(){return t.fn[e]=a,p._jQueryInterface}}(jQuery),function(t){/**
+   * Check for Popper dependency
+   * Popper - https://popper.js.org
+   */
+if("undefined"==typeof Popper)throw new Error("Bootstrap dropdown require Popper.js (https://popper.js.org)");/**
+   * ------------------------------------------------------------------------
+   * Constants
+   * ------------------------------------------------------------------------
+   */
+var e="dropdown",s="bs.dropdown",a="."+s,l=t.fn[e],c=new RegExp("38|40|27"),h={HIDE:"hide"+a,HIDDEN:"hidden"+a,SHOW:"show"+a,SHOWN:"shown"+a,CLICK:"click"+a,CLICK_DATA_API:"click.bs.dropdown.data-api",KEYDOWN_DATA_API:"keydown.bs.dropdown.data-api",KEYUP_DATA_API:"keyup.bs.dropdown.data-api"},u={DISABLED:"disabled",SHOW:"show"},d={DATA_TOGGLE:'[data-toggle="dropdown"]',FORM_CHILD:".dropdown form",MENU:".dropdown-menu",NAVBAR_NAV:".navbar-nav",VISIBLE_ITEMS:".dropdown-menu .dropdown-item:not(.disabled)"},f={TOP:"top-start",BOTTOM:"bottom-start"},p={placement:f.BOTTOM,offset:0,flip:!0},_={placement:"string",offset:"(number|string)",flip:"boolean"},g=function(){function l(t,e){n(this,l),this._element=t,this._popper=null,this._config=this._getConfig(e),this._menu=this._getMenuElement(),this._addEventListeners()}
+// getters
+// public
+// private
+// static
+return l.prototype.toggle=function(){if(!this._element.disabled&&!t(this._element).hasClass(u.DISABLED)){var e=l._getParentFromElement(this._element),n=t(this._menu).hasClass(u.SHOW);if(l._clearMenus(),!n){var i={relatedTarget:this._element},o=t.Event(h.SHOW,i);if(t(e).trigger(o),!o.isDefaultPrevented()){
+// Handle dropup
+var r=t(this._element).parent().hasClass("dropup")?f.TOP:this._config.placement;this._popper=new Popper(this._element,this._menu,{placement:r,modifiers:{offset:{offset:this._config.offset},flip:{enabled:this._config.flip}}}),
+// if this is a touch-enabled device we add extra
+// empty mouseover listeners to the body's immediate children;
+// only needed because of broken event delegation on iOS
+// https://www.quirksmode.org/blog/archives/2014/02/mouse_event_bub.html
+"ontouchstart"in document.documentElement&&!t(e).closest(d.NAVBAR_NAV).length&&t("body").children().on("mouseover",null,t.noop),this._element.focus(),this._element.setAttribute("aria-expanded",!0),t(this._menu).toggleClass(u.SHOW),t(e).toggleClass(u.SHOW).trigger(t.Event(h.SHOWN,i))}}}},l.prototype.dispose=function(){t.removeData(this._element,s),t(this._element).off(a),this._element=null,this._menu=null,null!==this._popper&&this._popper.destroy(),this._popper=null},l.prototype.update=function(){null!==this._popper&&this._popper.scheduleUpdate()},l.prototype._addEventListeners=function(){var e=this;t(this._element).on(h.CLICK,function(t){t.preventDefault(),t.stopPropagation(),e.toggle()})},l.prototype._getConfig=function(n){var i=t(this._element).data();return void 0!==i.placement&&(i.placement=f[i.placement.toUpperCase()]),n=t.extend({},this.constructor.Default,t(this._element).data(),n),r.typeCheckConfig(e,n,this.constructor.DefaultType),n},l.prototype._getMenuElement=function(){if(!this._menu){var e=l._getParentFromElement(this._element);this._menu=t(e).find(d.MENU)[0]}return this._menu},l._jQueryInterface=function(e){return this.each(function(){var n=t(this).data(s),o="object"===(void 0===e?"undefined":i(e))?e:null;if(n||(n=new l(this,o),t(this).data(s,n)),"string"==typeof e){if(void 0===n[e])throw new Error('No method named "'+e+'"');n[e]()}})},l._clearMenus=function(e){if(!e||3!==e.which&&("keyup"!==e.type||9===e.which))for(var n=t.makeArray(t(d.DATA_TOGGLE)),i=0;i<n.length;i++){var o=l._getParentFromElement(n[i]),r=t(n[i]).data(s),a={relatedTarget:n[i]};if(r){var c=r._menu;if(t(o).hasClass(u.SHOW)&&!(e&&("click"===e.type&&/input|textarea/i.test(e.target.tagName)||"keyup"===e.type&&9===e.which)&&t.contains(o,e.target))){var f=t.Event(h.HIDE,a);t(o).trigger(f),f.isDefaultPrevented()||(
+// if this is a touch-enabled device we remove the extra
+// empty mouseover listeners we added for iOS support
+"ontouchstart"in document.documentElement&&t("body").children().off("mouseover",null,t.noop),n[i].setAttribute("aria-expanded","false"),t(c).removeClass(u.SHOW),t(o).removeClass(u.SHOW).trigger(t.Event(h.HIDDEN,a)))}}}},l._getParentFromElement=function(e){var n=void 0,i=r.getSelectorFromElement(e);return i&&(n=t(i)[0]),n||e.parentNode},l._dataApiKeydownHandler=function(e){if(!(!c.test(e.which)||/button/i.test(e.target.tagName)&&32===e.which||/input|textarea/i.test(e.target.tagName)||(e.preventDefault(),e.stopPropagation(),this.disabled||t(this).hasClass(u.DISABLED)))){var n=l._getParentFromElement(this),i=t(n).hasClass(u.SHOW);if(!i&&(27!==e.which||32!==e.which)||i&&(27===e.which||32===e.which)){if(27===e.which){var o=t(n).find(d.DATA_TOGGLE)[0];t(o).trigger("focus")}return void t(this).trigger("click")}var r=t(n).find(d.VISIBLE_ITEMS).get();if(r.length){var s=r.indexOf(e.target);38===e.which&&s>0&&
+// up
+s--,40===e.which&&s<r.length-1&&
+// down
+s++,s<0&&(s=0),r[s].focus()}}},o(l,null,[{key:"VERSION",get:function(){return"4.0.0-alpha.6"}},{key:"Default",get:function(){return p}},{key:"DefaultType",get:function(){return _}}]),l}();/**
+   * ------------------------------------------------------------------------
+   * Data Api implementation
+   * ------------------------------------------------------------------------
+   */
+t(document).on(h.KEYDOWN_DATA_API,d.DATA_TOGGLE,g._dataApiKeydownHandler).on(h.KEYDOWN_DATA_API,d.MENU,g._dataApiKeydownHandler).on(h.CLICK_DATA_API+" "+h.KEYUP_DATA_API,g._clearMenus).on(h.CLICK_DATA_API,d.DATA_TOGGLE,function(e){e.preventDefault(),e.stopPropagation(),g._jQueryInterface.call(t(this),"toggle")}).on(h.CLICK_DATA_API,d.FORM_CHILD,function(t){t.stopPropagation()}),/**
+   * ------------------------------------------------------------------------
+   * jQuery
+   * ------------------------------------------------------------------------
+   */
+t.fn[e]=g._jQueryInterface,t.fn[e].Constructor=g,t.fn[e].noConflict=function(){return t.fn[e]=l,g._jQueryInterface}}(jQuery),function(t){/**
+   * ------------------------------------------------------------------------
+   * Constants
+   * ------------------------------------------------------------------------
+   */
+var e="modal",s=".bs.modal",a=t.fn[e],l={backdrop:!0,keyboard:!0,focus:!0,show:!0},c={backdrop:"(boolean|string)",keyboard:"boolean",focus:"boolean",show:"boolean"},h={HIDE:"hide.bs.modal",HIDDEN:"hidden.bs.modal",SHOW:"show.bs.modal",SHOWN:"shown.bs.modal",FOCUSIN:"focusin.bs.modal",RESIZE:"resize.bs.modal",CLICK_DISMISS:"click.dismiss.bs.modal",KEYDOWN_DISMISS:"keydown.dismiss.bs.modal",MOUSEUP_DISMISS:"mouseup.dismiss.bs.modal",MOUSEDOWN_DISMISS:"mousedown.dismiss.bs.modal",CLICK_DATA_API:"click.bs.modal.data-api"},u={SCROLLBAR_MEASURER:"modal-scrollbar-measure",BACKDROP:"modal-backdrop",OPEN:"modal-open",FADE:"fade",SHOW:"show"},d={DIALOG:".modal-dialog",DATA_TOGGLE:'[data-toggle="modal"]',DATA_DISMISS:'[data-dismiss="modal"]',FIXED_CONTENT:".fixed-top, .fixed-bottom, .is-fixed, .sticky-top",NAVBAR_TOGGLER:".navbar-toggler"},f=function(){function a(e,i){n(this,a),this._config=this._getConfig(i),this._element=e,this._dialog=t(e).find(d.DIALOG)[0],this._backdrop=null,this._isShown=!1,this._isBodyOverflowing=!1,this._ignoreBackdropClick=!1,this._originalBodyPadding=0,this._scrollbarWidth=0}
+// getters
+// public
+// private
+// ----------------------------------------------------------------------
+// the following methods are used to handle overflowing modals
+// todo (fat): these should probably be refactored out of modal.js
+// ----------------------------------------------------------------------
+// static
+return a.prototype.toggle=function(t){return this._isShown?this.hide():this.show(t)},a.prototype.show=function(e){var n=this;if(!this._isTransitioning){r.supportsTransitionEnd()&&t(this._element).hasClass(u.FADE)&&(this._isTransitioning=!0);var i=t.Event(h.SHOW,{relatedTarget:e});t(this._element).trigger(i),this._isShown||i.isDefaultPrevented()||(this._isShown=!0,this._checkScrollbar(),this._setScrollbar(),t(document.body).addClass(u.OPEN),this._setEscapeEvent(),this._setResizeEvent(),t(this._element).on(h.CLICK_DISMISS,d.DATA_DISMISS,function(t){return n.hide(t)}),t(this._dialog).on(h.MOUSEDOWN_DISMISS,function(){t(n._element).one(h.MOUSEUP_DISMISS,function(e){t(e.target).is(n._element)&&(n._ignoreBackdropClick=!0)})}),this._showBackdrop(function(){return n._showElement(e)}))}},a.prototype.hide=function(e){var n=this;if(e&&e.preventDefault(),!this._isTransitioning&&this._isShown){var i=r.supportsTransitionEnd()&&t(this._element).hasClass(u.FADE);i&&(this._isTransitioning=!0);var o=t.Event(h.HIDE);t(this._element).trigger(o),this._isShown&&!o.isDefaultPrevented()&&(this._isShown=!1,this._setEscapeEvent(),this._setResizeEvent(),t(document).off(h.FOCUSIN),t(this._element).removeClass(u.SHOW),t(this._element).off(h.CLICK_DISMISS),t(this._dialog).off(h.MOUSEDOWN_DISMISS),i?t(this._element).one(r.TRANSITION_END,function(t){return n._hideModal(t)}).emulateTransitionEnd(300):this._hideModal())}},a.prototype.dispose=function(){t.removeData(this._element,"bs.modal"),t(window,document,this._element,this._backdrop).off(s),this._config=null,this._element=null,this._dialog=null,this._backdrop=null,this._isShown=null,this._isBodyOverflowing=null,this._ignoreBackdropClick=null,this._scrollbarWidth=null},a.prototype.handleUpdate=function(){this._adjustDialog()},a.prototype._getConfig=function(n){return n=t.extend({},l,n),r.typeCheckConfig(e,n,c),n},a.prototype._showElement=function(e){var n=this,i=r.supportsTransitionEnd()&&t(this._element).hasClass(u.FADE);this._element.parentNode&&this._element.parentNode.nodeType===Node.ELEMENT_NODE||
+// don't move modals dom position
+document.body.appendChild(this._element),this._element.style.display="block",this._element.removeAttribute("aria-hidden"),this._element.scrollTop=0,i&&r.reflow(this._element),t(this._element).addClass(u.SHOW),this._config.focus&&this._enforceFocus();var o=t.Event(h.SHOWN,{relatedTarget:e}),s=function(){n._config.focus&&n._element.focus(),n._isTransitioning=!1,t(n._element).trigger(o)};i?t(this._dialog).one(r.TRANSITION_END,s).emulateTransitionEnd(300):s()},a.prototype._enforceFocus=function(){var e=this;t(document).off(h.FOCUSIN).on(h.FOCUSIN,function(n){document===n.target||e._element===n.target||t(e._element).has(n.target).length||e._element.focus()})},a.prototype._setEscapeEvent=function(){var e=this;this._isShown&&this._config.keyboard?t(this._element).on(h.KEYDOWN_DISMISS,function(t){27===t.which&&(t.preventDefault(),e.hide())}):this._isShown||t(this._element).off(h.KEYDOWN_DISMISS)},a.prototype._setResizeEvent=function(){var e=this;this._isShown?t(window).on(h.RESIZE,function(t){return e.handleUpdate(t)}):t(window).off(h.RESIZE)},a.prototype._hideModal=function(){var e=this;this._element.style.display="none",this._element.setAttribute("aria-hidden",!0),this._isTransitioning=!1,this._showBackdrop(function(){t(document.body).removeClass(u.OPEN),e._resetAdjustments(),e._resetScrollbar(),t(e._element).trigger(h.HIDDEN)})},a.prototype._removeBackdrop=function(){this._backdrop&&(t(this._backdrop).remove(),this._backdrop=null)},a.prototype._showBackdrop=function(e){var n=this,i=t(this._element).hasClass(u.FADE)?u.FADE:"";if(this._isShown&&this._config.backdrop){var o=r.supportsTransitionEnd()&&i;if(this._backdrop=document.createElement("div"),this._backdrop.className=u.BACKDROP,i&&t(this._backdrop).addClass(i),t(this._backdrop).appendTo(document.body),t(this._element).on(h.CLICK_DISMISS,function(t){if(n._ignoreBackdropClick)return void(n._ignoreBackdropClick=!1);t.target===t.currentTarget&&("static"===n._config.backdrop?n._element.focus():n.hide())}),o&&r.reflow(this._backdrop),t(this._backdrop).addClass(u.SHOW),!e)return;if(!o)return void e();t(this._backdrop).one(r.TRANSITION_END,e).emulateTransitionEnd(150)}else if(!this._isShown&&this._backdrop){t(this._backdrop).removeClass(u.SHOW);var s=function(){n._removeBackdrop(),e&&e()};r.supportsTransitionEnd()&&t(this._element).hasClass(u.FADE)?t(this._backdrop).one(r.TRANSITION_END,s).emulateTransitionEnd(150):s()}else e&&e()},a.prototype._adjustDialog=function(){var t=this._element.scrollHeight>document.documentElement.clientHeight;!this._isBodyOverflowing&&t&&(this._element.style.paddingLeft=this._scrollbarWidth+"px"),this._isBodyOverflowing&&!t&&(this._element.style.paddingRight=this._scrollbarWidth+"px")},a.prototype._resetAdjustments=function(){this._element.style.paddingLeft="",this._element.style.paddingRight=""},a.prototype._checkScrollbar=function(){this._isBodyOverflowing=document.body.clientWidth<window.innerWidth,this._scrollbarWidth=this._getScrollbarWidth()},a.prototype._setScrollbar=function(){var e=this;if(this._isBodyOverflowing){
+// Note: DOMNode.style.paddingRight returns the actual value or '' if not set
+//   while $(DOMNode).css('padding-right') returns the calculated value or 0 if not set
+// Adjust fixed content padding
+t(d.FIXED_CONTENT).each(function(n,i){var o=t(i)[0].style.paddingRight,r=t(i).css("padding-right");t(i).data("padding-right",o).css("padding-right",parseFloat(r)+e._scrollbarWidth+"px")}),
+// Adjust navbar-toggler margin
+t(d.NAVBAR_TOGGLER).each(function(n,i){var o=t(i)[0].style.marginRight,r=t(i).css("margin-right");t(i).data("margin-right",o).css("margin-right",parseFloat(r)+e._scrollbarWidth+"px")});
+// Adjust body padding
+var n=document.body.style.paddingRight,i=t("body").css("padding-right");t("body").data("padding-right",n).css("padding-right",parseFloat(i)+this._scrollbarWidth+"px")}},a.prototype._resetScrollbar=function(){
+// Restore fixed content padding
+t(d.FIXED_CONTENT).each(function(e,n){var i=t(n).data("padding-right");void 0!==i&&t(n).css("padding-right",i).removeData("padding-right")}),
+// Restore navbar-toggler margin
+t(d.NAVBAR_TOGGLER).each(function(e,n){var i=t(n).data("margin-right");void 0!==i&&t(n).css("margin-right",i).removeData("margin-right")});
+// Restore body padding
+var e=t("body").data("padding-right");void 0!==e&&t("body").css("padding-right",e).removeData("padding-right")},a.prototype._getScrollbarWidth=function(){
+// thx d.walsh
+var t=document.createElement("div");t.className=u.SCROLLBAR_MEASURER,document.body.appendChild(t);var e=t.getBoundingClientRect().width-t.clientWidth;return document.body.removeChild(t),e},a._jQueryInterface=function(e,n){return this.each(function(){var o=t(this).data("bs.modal"),r=t.extend({},a.Default,t(this).data(),"object"===(void 0===e?"undefined":i(e))&&e);if(o||(o=new a(this,r),t(this).data("bs.modal",o)),"string"==typeof e){if(void 0===o[e])throw new Error('No method named "'+e+'"');o[e](n)}else r.show&&o.show(n)})},o(a,null,[{key:"VERSION",get:function(){return"4.0.0-alpha.6"}},{key:"Default",get:function(){return l}}]),a}();/**
+   * ------------------------------------------------------------------------
+   * Data Api implementation
+   * ------------------------------------------------------------------------
+   */
+t(document).on(h.CLICK_DATA_API,d.DATA_TOGGLE,function(e){var n=this,i=void 0,o=r.getSelectorFromElement(this);o&&(i=t(o)[0]);var s=t(i).data("bs.modal")?"toggle":t.extend({},t(i).data(),t(this).data());"A"!==this.tagName&&"AREA"!==this.tagName||e.preventDefault();var a=t(i).one(h.SHOW,function(e){e.isDefaultPrevented()||a.one(h.HIDDEN,function(){t(n).is(":visible")&&n.focus()})});f._jQueryInterface.call(t(i),s,this)}),/**
+   * ------------------------------------------------------------------------
+   * jQuery
+   * ------------------------------------------------------------------------
+   */
+t.fn[e]=f._jQueryInterface,t.fn[e].Constructor=f,t.fn[e].noConflict=function(){return t.fn[e]=a,f._jQueryInterface}}(jQuery),function(t){/**
+   * ------------------------------------------------------------------------
+   * Constants
+   * ------------------------------------------------------------------------
+   */
+var e="scrollspy",s=t.fn[e],a={offset:10,method:"auto",target:""},l={offset:"number",method:"string",target:"(string|element)"},c={ACTIVATE:"activate.bs.scrollspy",SCROLL:"scroll.bs.scrollspy",LOAD_DATA_API:"load.bs.scrollspy.data-api"},h={DROPDOWN_ITEM:"dropdown-item",DROPDOWN_MENU:"dropdown-menu",ACTIVE:"active"},u={DATA_SPY:'[data-spy="scroll"]',ACTIVE:".active",NAV_LIST_GROUP:".nav, .list-group",NAV_LINKS:".nav-link",LIST_ITEMS:".list-group-item",DROPDOWN:".dropdown",DROPDOWN_ITEMS:".dropdown-item",DROPDOWN_TOGGLE:".dropdown-toggle"},d={OFFSET:"offset",POSITION:"position"},f=function(){function s(e,i){var o=this;n(this,s),this._element=e,this._scrollElement="BODY"===e.tagName?window:e,this._config=this._getConfig(i),this._selector=this._config.target+" "+u.NAV_LINKS+","+this._config.target+" "+u.LIST_ITEMS+","+this._config.target+" "+u.DROPDOWN_ITEMS,this._offsets=[],this._targets=[],this._activeTarget=null,this._scrollHeight=0,t(this._scrollElement).on(c.SCROLL,function(t){return o._process(t)}),this.refresh(),this._process()}
+// getters
+// public
+// private
+// static
+return s.prototype.refresh=function(){var e=this,n=this._scrollElement!==this._scrollElement.window?d.POSITION:d.OFFSET,i="auto"===this._config.method?n:this._config.method,o=i===d.POSITION?this._getScrollTop():0;this._offsets=[],this._targets=[],this._scrollHeight=this._getScrollHeight(),t.makeArray(t(this._selector)).map(function(e){var n=void 0,s=r.getSelectorFromElement(e);if(s&&(n=t(s)[0]),n){var a=n.getBoundingClientRect();if(a.width||a.height)
+// todo (fat): remove sketch reliance on jQuery position/offset
+return[t(n)[i]().top+o,s]}return null}).filter(function(t){return t}).sort(function(t,e){return t[0]-e[0]}).forEach(function(t){e._offsets.push(t[0]),e._targets.push(t[1])})},s.prototype.dispose=function(){t.removeData(this._element,"bs.scrollspy"),t(this._scrollElement).off(".bs.scrollspy"),this._element=null,this._scrollElement=null,this._config=null,this._selector=null,this._offsets=null,this._targets=null,this._activeTarget=null,this._scrollHeight=null},s.prototype._getConfig=function(n){if(n=t.extend({},a,n),"string"!=typeof n.target){var i=t(n.target).attr("id");i||(i=r.getUID(e),t(n.target).attr("id",i)),n.target="#"+i}return r.typeCheckConfig(e,n,l),n},s.prototype._getScrollTop=function(){return this._scrollElement===window?this._scrollElement.pageYOffset:this._scrollElement.scrollTop},s.prototype._getScrollHeight=function(){return this._scrollElement.scrollHeight||Math.max(document.body.scrollHeight,document.documentElement.scrollHeight)},s.prototype._getOffsetHeight=function(){return this._scrollElement===window?window.innerHeight:this._scrollElement.getBoundingClientRect().height},s.prototype._process=function(){var t=this._getScrollTop()+this._config.offset,e=this._getScrollHeight(),n=this._config.offset+e-this._getOffsetHeight();if(this._scrollHeight!==e&&this.refresh(),t>=n){var i=this._targets[this._targets.length-1];return void(this._activeTarget!==i&&this._activate(i))}if(this._activeTarget&&t<this._offsets[0]&&this._offsets[0]>0)return this._activeTarget=null,void this._clear();for(var o=this._offsets.length;o--;){this._activeTarget!==this._targets[o]&&t>=this._offsets[o]&&(void 0===this._offsets[o+1]||t<this._offsets[o+1])&&this._activate(this._targets[o])}},s.prototype._activate=function(e){this._activeTarget=e,this._clear();var n=this._selector.split(",");n=n.map(function(t){return t+'[data-target="'+e+'"],'+t+'[href="'+e+'"]'});var i=t(n.join(","));i.hasClass(h.DROPDOWN_ITEM)?(i.closest(u.DROPDOWN).find(u.DROPDOWN_TOGGLE).addClass(h.ACTIVE),i.addClass(h.ACTIVE)):(
+// Set triggered link as active
+i.addClass(h.ACTIVE),
+// Set triggered links parents as active
+// With both <ul> and <nav> markup a parent is the previous sibling of any nav ancestor
+i.parents(u.NAV_LIST_GROUP).prev(u.NAV_LINKS+", "+u.LIST_ITEMS).addClass(h.ACTIVE)),t(this._scrollElement).trigger(c.ACTIVATE,{relatedTarget:e})},s.prototype._clear=function(){t(this._selector).filter(u.ACTIVE).removeClass(h.ACTIVE)},s._jQueryInterface=function(e){return this.each(function(){var n=t(this).data("bs.scrollspy"),o="object"===(void 0===e?"undefined":i(e))&&e;if(n||(n=new s(this,o),t(this).data("bs.scrollspy",n)),"string"==typeof e){if(void 0===n[e])throw new Error('No method named "'+e+'"');n[e]()}})},o(s,null,[{key:"VERSION",get:function(){return"4.0.0-alpha.6"}},{key:"Default",get:function(){return a}}]),s}();/**
+   * ------------------------------------------------------------------------
+   * Data Api implementation
+   * ------------------------------------------------------------------------
+   */
+t(window).on(c.LOAD_DATA_API,function(){for(var e=t.makeArray(t(u.DATA_SPY)),n=e.length;n--;){var i=t(e[n]);f._jQueryInterface.call(i,i.data())}}),/**
+   * ------------------------------------------------------------------------
+   * jQuery
+   * ------------------------------------------------------------------------
+   */
+t.fn[e]=f._jQueryInterface,t.fn[e].Constructor=f,t.fn[e].noConflict=function(){return t.fn[e]=s,f._jQueryInterface}}(jQuery),function(t){/**
+   * ------------------------------------------------------------------------
+   * Constants
+   * ------------------------------------------------------------------------
+   */
+var e=t.fn.tab,i={HIDE:"hide.bs.tab",HIDDEN:"hidden.bs.tab",SHOW:"show.bs.tab",SHOWN:"shown.bs.tab",CLICK_DATA_API:"click.bs.tab.data-api"},s={DROPDOWN_MENU:"dropdown-menu",ACTIVE:"active",DISABLED:"disabled",FADE:"fade",SHOW:"show"},a={DROPDOWN:".dropdown",NAV_LIST_GROUP:".nav, .list-group",ACTIVE:".active",DATA_TOGGLE:'[data-toggle="tab"], [data-toggle="pill"], [data-toggle="list"]',DROPDOWN_TOGGLE:".dropdown-toggle",DROPDOWN_ACTIVE_CHILD:"> .dropdown-menu .active"},l=function(){function e(t){n(this,e),this._element=t}
+// getters
+// public
+// private
+// static
+return e.prototype.show=function(){var e=this;if(!(this._element.parentNode&&this._element.parentNode.nodeType===Node.ELEMENT_NODE&&t(this._element).hasClass(s.ACTIVE)||t(this._element).hasClass(s.DISABLED))){var n=void 0,o=void 0,l=t(this._element).closest(a.NAV_LIST_GROUP)[0],c=r.getSelectorFromElement(this._element);l&&(o=t.makeArray(t(l).find(a.ACTIVE)),o=o[o.length-1]);var h=t.Event(i.HIDE,{relatedTarget:this._element}),u=t.Event(i.SHOW,{relatedTarget:o});if(o&&t(o).trigger(h),t(this._element).trigger(u),!u.isDefaultPrevented()&&!h.isDefaultPrevented()){c&&(n=t(c)[0]),this._activate(this._element,l);var d=function(){var n=t.Event(i.HIDDEN,{relatedTarget:e._element}),r=t.Event(i.SHOWN,{relatedTarget:o});t(o).trigger(n),t(e._element).trigger(r)};n?this._activate(n,n.parentNode,d):d()}}},e.prototype.dispose=function(){t.removeData(this._element,"bs.tab"),this._element=null},e.prototype._activate=function(e,n,i){var o=this,l=t(n).find(a.ACTIVE)[0],c=i&&r.supportsTransitionEnd()&&l&&t(l).hasClass(s.FADE),h=function(){return o._transitionComplete(e,l,c,i)};l&&c?t(l).one(r.TRANSITION_END,h).emulateTransitionEnd(150):h(),l&&t(l).removeClass(s.SHOW)},e.prototype._transitionComplete=function(e,n,i,o){if(n){t(n).removeClass(s.ACTIVE);var l=t(n.parentNode).find(a.DROPDOWN_ACTIVE_CHILD)[0];l&&t(l).removeClass(s.ACTIVE),n.setAttribute("aria-expanded",!1)}if(t(e).addClass(s.ACTIVE),e.setAttribute("aria-expanded",!0),i?(r.reflow(e),t(e).addClass(s.SHOW)):t(e).removeClass(s.FADE),e.parentNode&&t(e.parentNode).hasClass(s.DROPDOWN_MENU)){var c=t(e).closest(a.DROPDOWN)[0];c&&t(c).find(a.DROPDOWN_TOGGLE).addClass(s.ACTIVE),e.setAttribute("aria-expanded",!0)}o&&o()},e._jQueryInterface=function(n){return this.each(function(){var i=t(this),o=i.data("bs.tab");if(o||(o=new e(this),i.data("bs.tab",o)),"string"==typeof n){if(void 0===o[n])throw new Error('No method named "'+n+'"');o[n]()}})},o(e,null,[{key:"VERSION",get:function(){return"4.0.0-alpha.6"}}]),e}();/**
+   * ------------------------------------------------------------------------
+   * Data Api implementation
+   * ------------------------------------------------------------------------
+   */
+t(document).on(i.CLICK_DATA_API,a.DATA_TOGGLE,function(e){e.preventDefault(),l._jQueryInterface.call(t(this),"show")}),/**
+   * ------------------------------------------------------------------------
+   * jQuery
+   * ------------------------------------------------------------------------
+   */
+t.fn.tab=l._jQueryInterface,t.fn.tab.Constructor=l,t.fn.tab.noConflict=function(){return t.fn.tab=e,l._jQueryInterface}}(jQuery),function(t){/**
+   * Check for Popper dependency
+   * Popper - https://popper.js.org
+   */
+if("undefined"==typeof Popper)throw new Error("Bootstrap tooltips require Popper.js (https://popper.js.org)");/**
+   * ------------------------------------------------------------------------
+   * Constants
+   * ------------------------------------------------------------------------
+   */
+var e="tooltip",s=".bs.tooltip",a=t.fn[e],l=new RegExp("(^|\\s)bs-tooltip\\S+","g"),c={animation:"boolean",template:"string",title:"(string|element|function)",trigger:"string",delay:"(number|object)",html:"boolean",selector:"(string|boolean)",placement:"(string|function)",offset:"(number|string)",container:"(string|element|boolean)",fallbackPlacement:"(string|array)"},h={TOP:"top",RIGHT:"right",BOTTOM:"bottom",LEFT:"left"},u={animation:!0,template:'<div class="tooltip" role="tooltip"><div class="arrow"></div><div class="tooltip-inner"></div></div>',trigger:"hover focus",title:"",delay:0,html:!1,selector:!1,placement:"top",offset:0,container:!1,fallbackPlacement:"flip"},d={SHOW:"show",OUT:"out"},f={HIDE:"hide"+s,HIDDEN:"hidden"+s,SHOW:"show"+s,SHOWN:"shown"+s,INSERTED:"inserted"+s,CLICK:"click"+s,FOCUSIN:"focusin"+s,FOCUSOUT:"focusout"+s,MOUSEENTER:"mouseenter"+s,MOUSELEAVE:"mouseleave"+s},p={FADE:"fade",SHOW:"show"},_={TOOLTIP:".tooltip",TOOLTIP_INNER:".tooltip-inner"},g={HOVER:"hover",FOCUS:"focus",CLICK:"click",MANUAL:"manual"},m=function(){function a(t,e){n(this,a),
+// private
+this._isEnabled=!0,this._timeout=0,this._hoverState="",this._activeTrigger={},this._popper=null,
+// protected
+this.element=t,this.config=this._getConfig(e),this.tip=null,this._setListeners()}
+// getters
+// public
+// protected
+// private
+// static
+return a.prototype.enable=function(){this._isEnabled=!0},a.prototype.disable=function(){this._isEnabled=!1},a.prototype.toggleEnabled=function(){this._isEnabled=!this._isEnabled},a.prototype.toggle=function(e){if(e){var n=this.constructor.DATA_KEY,i=t(e.currentTarget).data(n);i||(i=new this.constructor(e.currentTarget,this._getDelegateConfig()),t(e.currentTarget).data(n,i)),i._activeTrigger.click=!i._activeTrigger.click,i._isWithActiveTrigger()?i._enter(null,i):i._leave(null,i)}else{if(t(this.getTipElement()).hasClass(p.SHOW))return void this._leave(null,this);this._enter(null,this)}},a.prototype.dispose=function(){clearTimeout(this._timeout),t.removeData(this.element,this.constructor.DATA_KEY),t(this.element).off(this.constructor.EVENT_KEY),t(this.element).closest(".modal").off("hide.bs.modal"),this.tip&&t(this.tip).remove(),this._isEnabled=null,this._timeout=null,this._hoverState=null,this._activeTrigger=null,null!==this._popper&&this._popper.destroy(),this._popper=null,this.element=null,this.config=null,this.tip=null},a.prototype.show=function(){var e=this;if("none"===t(this.element).css("display"))throw new Error("Please use show on visible elements");var n=t.Event(this.constructor.Event.SHOW);if(this.isWithContent()&&this._isEnabled){t(this.element).trigger(n);var i=t.contains(this.element.ownerDocument.documentElement,this.element);if(n.isDefaultPrevented()||!i)return;var o=this.getTipElement(),s=r.getUID(this.constructor.NAME);o.setAttribute("id",s),this.element.setAttribute("aria-describedby",s),this.setContent(),this.config.animation&&t(o).addClass(p.FADE);var l="function"==typeof this.config.placement?this.config.placement.call(this,o,this.element):this.config.placement,c=this._getAttachment(l);this.addAttachmentClass(c);var h=!1===this.config.container?document.body:t(this.config.container);t(o).data(this.constructor.DATA_KEY,this),t.contains(this.element.ownerDocument.documentElement,this.tip)||t(o).appendTo(h),t(this.element).trigger(this.constructor.Event.INSERTED),this._popper=new Popper(this.element,o,{placement:c,modifiers:{offset:{offset:this.config.offset},flip:{behavior:this.config.fallbackPlacement}},onCreate:function(t){t.originalPlacement!==t.placement&&e._handlePopperPlacementChange(t)},onUpdate:function(t){e._handlePopperPlacementChange(t)}}),t(o).addClass(p.SHOW),
+// if this is a touch-enabled device we add extra
+// empty mouseover listeners to the body's immediate children;
+// only needed because of broken event delegation on iOS
+// https://www.quirksmode.org/blog/archives/2014/02/mouse_event_bub.html
+"ontouchstart"in document.documentElement&&t("body").children().on("mouseover",null,t.noop);var u=function(){e.config.animation&&e._fixTransition();var n=e._hoverState;e._hoverState=null,t(e.element).trigger(e.constructor.Event.SHOWN),n===d.OUT&&e._leave(null,e)};r.supportsTransitionEnd()&&t(this.tip).hasClass(p.FADE)?t(this.tip).one(r.TRANSITION_END,u).emulateTransitionEnd(a._TRANSITION_DURATION):u()}},a.prototype.hide=function(e){var n=this,i=this.getTipElement(),o=t.Event(this.constructor.Event.HIDE),s=function(){n._hoverState!==d.SHOW&&i.parentNode&&i.parentNode.removeChild(i),n._cleanTipClass(),n.element.removeAttribute("aria-describedby"),t(n.element).trigger(n.constructor.Event.HIDDEN),null!==n._popper&&n._popper.destroy(),e&&e()};t(this.element).trigger(o),o.isDefaultPrevented()||(t(i).removeClass(p.SHOW),
+// if this is a touch-enabled device we remove the extra
+// empty mouseover listeners we added for iOS support
+"ontouchstart"in document.documentElement&&t("body").children().off("mouseover",null,t.noop),this._activeTrigger[g.CLICK]=!1,this._activeTrigger[g.FOCUS]=!1,this._activeTrigger[g.HOVER]=!1,r.supportsTransitionEnd()&&t(this.tip).hasClass(p.FADE)?t(i).one(r.TRANSITION_END,s).emulateTransitionEnd(150):s(),this._hoverState="")},a.prototype.update=function(){null!==this._popper&&this._popper.scheduleUpdate()},a.prototype.isWithContent=function(){return Boolean(this.getTitle())},a.prototype.addAttachmentClass=function(e){t(this.getTipElement()).addClass("bs-tooltip-"+e)},a.prototype.getTipElement=function(){return this.tip=this.tip||t(this.config.template)[0]},a.prototype.setContent=function(){var e=t(this.getTipElement());this.setElementContent(e.find(_.TOOLTIP_INNER),this.getTitle()),e.removeClass(p.FADE+" "+p.SHOW)},a.prototype.setElementContent=function(e,n){var o=this.config.html;"object"===(void 0===n?"undefined":i(n))&&(n.nodeType||n.jquery)?
+// content is a DOM node or a jQuery
+o?t(n).parent().is(e)||e.empty().append(n):e.text(t(n).text()):e[o?"html":"text"](n)},a.prototype.getTitle=function(){var t=this.element.getAttribute("data-original-title");return t||(t="function"==typeof this.config.title?this.config.title.call(this.element):this.config.title),t},a.prototype._getAttachment=function(t){return h[t.toUpperCase()]},a.prototype._setListeners=function(){var e=this;this.config.trigger.split(" ").forEach(function(n){if("click"===n)t(e.element).on(e.constructor.Event.CLICK,e.config.selector,function(t){return e.toggle(t)});else if(n!==g.MANUAL){var i=n===g.HOVER?e.constructor.Event.MOUSEENTER:e.constructor.Event.FOCUSIN,o=n===g.HOVER?e.constructor.Event.MOUSELEAVE:e.constructor.Event.FOCUSOUT;t(e.element).on(i,e.config.selector,function(t){return e._enter(t)}).on(o,e.config.selector,function(t){return e._leave(t)})}t(e.element).closest(".modal").on("hide.bs.modal",function(){return e.hide()})}),this.config.selector?this.config=t.extend({},this.config,{trigger:"manual",selector:""}):this._fixTitle()},a.prototype._fixTitle=function(){var t=i(this.element.getAttribute("data-original-title"));(this.element.getAttribute("title")||"string"!==t)&&(this.element.setAttribute("data-original-title",this.element.getAttribute("title")||""),this.element.setAttribute("title",""))},a.prototype._enter=function(e,n){var i=this.constructor.DATA_KEY;return n=n||t(e.currentTarget).data(i),n||(n=new this.constructor(e.currentTarget,this._getDelegateConfig()),t(e.currentTarget).data(i,n)),e&&(n._activeTrigger["focusin"===e.type?g.FOCUS:g.HOVER]=!0),t(n.getTipElement()).hasClass(p.SHOW)||n._hoverState===d.SHOW?void(n._hoverState=d.SHOW):(clearTimeout(n._timeout),n._hoverState=d.SHOW,n.config.delay&&n.config.delay.show?void(n._timeout=setTimeout(function(){n._hoverState===d.SHOW&&n.show()},n.config.delay.show)):void n.show())},a.prototype._leave=function(e,n){var i=this.constructor.DATA_KEY;if(n=n||t(e.currentTarget).data(i),n||(n=new this.constructor(e.currentTarget,this._getDelegateConfig()),t(e.currentTarget).data(i,n)),e&&(n._activeTrigger["focusout"===e.type?g.FOCUS:g.HOVER]=!1),!n._isWithActiveTrigger()){if(clearTimeout(n._timeout),n._hoverState=d.OUT,!n.config.delay||!n.config.delay.hide)return void n.hide();n._timeout=setTimeout(function(){n._hoverState===d.OUT&&n.hide()},n.config.delay.hide)}},a.prototype._isWithActiveTrigger=function(){for(var t in this._activeTrigger)if(this._activeTrigger[t])return!0;return!1},a.prototype._getConfig=function(n){return n=t.extend({},this.constructor.Default,t(this.element).data(),n),n.delay&&"number"==typeof n.delay&&(n.delay={show:n.delay,hide:n.delay}),n.title&&"number"==typeof n.title&&(n.title=n.title.toString()),n.content&&"number"==typeof n.content&&(n.content=n.content.toString()),r.typeCheckConfig(e,n,this.constructor.DefaultType),n},a.prototype._getDelegateConfig=function(){var t={};if(this.config)for(var e in this.config)this.constructor.Default[e]!==this.config[e]&&(t[e]=this.config[e]);return t},a.prototype._cleanTipClass=function(){var e=t(this.getTipElement()),n=e.attr("class").match(l);null!==n&&n.length>0&&e.removeClass(n.join(""))},a.prototype._handlePopperPlacementChange=function(t){this._cleanTipClass(),this.addAttachmentClass(this._getAttachment(t.placement))},a.prototype._fixTransition=function(){var e=this.getTipElement(),n=this.config.animation;null===e.getAttribute("x-placement")&&(t(e).removeClass(p.FADE),this.config.animation=!1,this.hide(),this.show(),this.config.animation=n)},a._jQueryInterface=function(e){return this.each(function(){var n=t(this).data("bs.tooltip"),o="object"===(void 0===e?"undefined":i(e))&&e;if((n||!/dispose|hide/.test(e))&&(n||(n=new a(this,o),t(this).data("bs.tooltip",n)),"string"==typeof e)){if(void 0===n[e])throw new Error('No method named "'+e+'"');n[e]()}})},o(a,null,[{key:"VERSION",get:function(){return"4.0.0-alpha.6"}},{key:"Default",get:function(){return u}},{key:"NAME",get:function(){return e}},{key:"DATA_KEY",get:function(){return"bs.tooltip"}},{key:"Event",get:function(){return f}},{key:"EVENT_KEY",get:function(){return s}},{key:"DefaultType",get:function(){return c}}]),a}();/**
+   * ------------------------------------------------------------------------
+   * jQuery
+   * ------------------------------------------------------------------------
+   */
+return t.fn[e]=m._jQueryInterface,t.fn[e].Constructor=m,t.fn[e].noConflict=function(){return t.fn[e]=a,m._jQueryInterface},m}(jQuery));!function(r){/**
+   * ------------------------------------------------------------------------
+   * Constants
+   * ------------------------------------------------------------------------
+   */
+var a="popover",l=".bs.popover",c=r.fn[a],h=new RegExp("(^|\\s)bs-popover\\S+","g"),u=r.extend({},s.Default,{placement:"right",trigger:"click",content:"",template:'<div class="popover" role="tooltip"><div class="arrow"></div><h3 class="popover-title"></h3><div class="popover-content"></div></div>'}),d=r.extend({},s.DefaultType,{content:"(string|element|function)"}),f={FADE:"fade",SHOW:"show"},p={TITLE:".popover-title",CONTENT:".popover-content"},_={HIDE:"hide"+l,HIDDEN:"hidden"+l,SHOW:"show"+l,SHOWN:"shown"+l,INSERTED:"inserted"+l,CLICK:"click"+l,FOCUSIN:"focusin"+l,FOCUSOUT:"focusout"+l,MOUSEENTER:"mouseenter"+l,MOUSELEAVE:"mouseleave"+l},g=function(s){function c(){return n(this,c),t(this,s.apply(this,arguments))}
+// overrides
+// private
+// static
+return e(c,s),c.prototype.isWithContent=function(){return this.getTitle()||this._getContent()},c.prototype.addAttachmentClass=function(t){r(this.getTipElement()).addClass("bs-popover-"+t)},c.prototype.getTipElement=function(){return this.tip=this.tip||r(this.config.template)[0]},c.prototype.setContent=function(){var t=r(this.getTipElement());
+// we use append for html objects to maintain js events
+this.setElementContent(t.find(p.TITLE),this.getTitle()),this.setElementContent(t.find(p.CONTENT),this._getContent()),t.removeClass(f.FADE+" "+f.SHOW)},c.prototype._getContent=function(){return this.element.getAttribute("data-content")||("function"==typeof this.config.content?this.config.content.call(this.element):this.config.content)},c.prototype._cleanTipClass=function(){var t=r(this.getTipElement()),e=t.attr("class").match(h);null!==e&&e.length>0&&t.removeClass(e.join(""))},c._jQueryInterface=function(t){return this.each(function(){var e=r(this).data("bs.popover"),n="object"===(void 0===t?"undefined":i(t))?t:null;if((e||!/destroy|hide/.test(t))&&(e||(e=new c(this,n),r(this).data("bs.popover",e)),"string"==typeof t)){if(void 0===e[t])throw new Error('No method named "'+t+'"');e[t]()}})},o(c,null,[{key:"VERSION",
+// getters
+get:function(){return"4.0.0-alpha.6"}},{key:"Default",get:function(){return u}},{key:"NAME",get:function(){return a}},{key:"DATA_KEY",get:function(){return"bs.popover"}},{key:"Event",get:function(){return _}},{key:"EVENT_KEY",get:function(){return l}},{key:"DefaultType",get:function(){return d}}]),c}(s);/**
+   * ------------------------------------------------------------------------
+   * jQuery
+   * ------------------------------------------------------------------------
+   */
+r.fn[a]=g._jQueryInterface,r.fn[a].Constructor=g,r.fn[a].noConflict=function(){return r.fn[a]=c,g._jQueryInterface}}(jQuery)}();
\ No newline at end of file
diff --git a/assets/javascripts/bootstrap/alert.js b/assets/javascripts/bootstrap/alert.js
index b332252..0550593 100644
--- a/assets/javascripts/bootstrap/alert.js
+++ b/assets/javascripts/bootstrap/alert.js
@@ -180,3 +180,4 @@ var Alert = function ($) {
 
   return Alert;
 }(jQuery);
+//# sourceMappingURL=alert.js.map
\ No newline at end of file
diff --git a/assets/javascripts/bootstrap/button.js b/assets/javascripts/bootstrap/button.js
index 03f787e..cd82242 100644
--- a/assets/javascripts/bootstrap/button.js
+++ b/assets/javascripts/bootstrap/button.js
@@ -62,6 +62,7 @@ var Button = function ($) {
 
     Button.prototype.toggle = function toggle() {
       var triggerChangeEvent = true;
+      var addAriaPressed = true;
       var rootElement = $(this._element).closest(Selector.DATA_TOGGLE)[0];
 
       if (rootElement) {
@@ -81,15 +82,21 @@ var Button = function ($) {
           }
 
           if (triggerChangeEvent) {
+            if (input.hasAttribute('disabled') || rootElement.hasAttribute('disabled') || input.classList.contains('disabled') || rootElement.classList.contains('disabled')) {
+              return;
+            }
             input.checked = !$(this._element).hasClass(ClassName.ACTIVE);
             $(input).trigger('change');
           }
 
           input.focus();
+          addAriaPressed = false;
         }
       }
 
-      this._element.setAttribute('aria-pressed', !$(this._element).hasClass(ClassName.ACTIVE));
+      if (addAriaPressed) {
+        this._element.setAttribute('aria-pressed', !$(this._element).hasClass(ClassName.ACTIVE));
+      }
 
       if (triggerChangeEvent) {
         $(this._element).toggleClass(ClassName.ACTIVE);
@@ -164,3 +171,4 @@ var Button = function ($) {
 
   return Button;
 }(jQuery);
+//# sourceMappingURL=button.js.map
\ No newline at end of file
diff --git a/assets/javascripts/bootstrap/carousel.js b/assets/javascripts/bootstrap/carousel.js
index c834f67..18186bc 100644
--- a/assets/javascripts/bootstrap/carousel.js
+++ b/assets/javascripts/bootstrap/carousel.js
@@ -28,6 +28,7 @@ var Carousel = function ($) {
   var TRANSITION_DURATION = 600;
   var ARROW_LEFT_KEYCODE = 37; // KeyboardEvent.which value for left arrow key
   var ARROW_RIGHT_KEYCODE = 39; // KeyboardEvent.which value for right arrow key
+  var TOUCHEVENT_COMPAT_WAIT = 500; // Time for mouse compat events to fire after touch
 
   var Default = {
     interval: 5000,
@@ -58,6 +59,7 @@ var Carousel = function ($) {
     KEYDOWN: 'keydown' + EVENT_KEY,
     MOUSEENTER: 'mouseenter' + EVENT_KEY,
     MOUSELEAVE: 'mouseleave' + EVENT_KEY,
+    TOUCHEND: 'touchend' + EVENT_KEY,
     LOAD_DATA_API: 'load' + EVENT_KEY + DATA_API_KEY,
     CLICK_DATA_API: 'click' + EVENT_KEY + DATA_API_KEY
   };
@@ -100,6 +102,8 @@ var Carousel = function ($) {
       this._isPaused = false;
       this._isSliding = false;
 
+      this.touchTimeout = null;
+
       this._config = this._getConfig(config);
       this._element = $(element)[0];
       this._indicatorsElement = $(this._element).find(Selector.INDICATORS)[0];
@@ -112,10 +116,9 @@ var Carousel = function ($) {
     // public
 
     Carousel.prototype.next = function next() {
-      if (this._isSliding) {
-        throw new Error('Carousel is sliding');
+      if (!this._isSliding) {
+        this._slide(Direction.NEXT);
       }
-      this._slide(Direction.NEXT);
     };
 
     Carousel.prototype.nextWhenVisible = function nextWhenVisible() {
@@ -126,10 +129,9 @@ var Carousel = function ($) {
     };
 
     Carousel.prototype.prev = function prev() {
-      if (this._isSliding) {
-        throw new Error('Carousel is sliding');
+      if (!this._isSliding) {
+        this._slide(Direction.PREV);
       }
-      this._slide(Direction.PREVIOUS);
     };
 
     Carousel.prototype.pause = function pause(event) {
@@ -185,7 +187,7 @@ var Carousel = function ($) {
         return;
       }
 
-      var direction = index > activeIndex ? Direction.NEXT : Direction.PREVIOUS;
+      var direction = index > activeIndex ? Direction.NEXT : Direction.PREV;
 
       this._slide(direction, this._items[index]);
     };
@@ -221,12 +223,30 @@ var Carousel = function ($) {
         });
       }
 
-      if (this._config.pause === 'hover' && !('ontouchstart' in document.documentElement)) {
+      if (this._config.pause === 'hover') {
         $(this._element).on(Event.MOUSEENTER, function (event) {
           return _this2.pause(event);
         }).on(Event.MOUSELEAVE, function (event) {
           return _this2.cycle(event);
         });
+        if ('ontouchstart' in document.documentElement) {
+          // if it's a touch-enabled device, mouseenter/leave are fired as
+          // part of the mouse compatibility events on first tap - the carousel
+          // would stop cycling until user tapped out of it;
+          // here, we listen for touchend, explicitly pause the carousel
+          // (as if it's the second time we tap on it, mouseenter compat event
+          // is NOT fired) and after a timeout (to allow for mouse compatibility
+          // events to fire) we explicitly restart cycling
+          $(this._element).on(Event.TOUCHEND, function () {
+            _this2.pause();
+            if (_this2.touchTimeout) {
+              clearTimeout(_this2.touchTimeout);
+            }
+            _this2.touchTimeout = setTimeout(function (event) {
+              return _this2.cycle(event);
+            }, TOUCHEVENT_COMPAT_WAIT + _this2._config.interval);
+          });
+        }
       }
     };
 
@@ -256,7 +276,7 @@ var Carousel = function ($) {
 
     Carousel.prototype._getItemByDirection = function _getItemByDirection(direction, activeElement) {
       var isNextDirection = direction === Direction.NEXT;
-      var isPrevDirection = direction === Direction.PREVIOUS;
+      var isPrevDirection = direction === Direction.PREV;
       var activeIndex = this._getItemIndex(activeElement);
       var lastItemIndex = this._items.length - 1;
       var isGoingToWrap = isPrevDirection && activeIndex === 0 || isNextDirection && activeIndex === lastItemIndex;
@@ -265,16 +285,20 @@ var Carousel = function ($) {
         return activeElement;
       }
 
-      var delta = direction === Direction.PREVIOUS ? -1 : 1;
+      var delta = direction === Direction.PREV ? -1 : 1;
       var itemIndex = (activeIndex + delta) % this._items.length;
 
       return itemIndex === -1 ? this._items[this._items.length - 1] : this._items[itemIndex];
     };
 
     Carousel.prototype._triggerSlideEvent = function _triggerSlideEvent(relatedTarget, eventDirectionName) {
+      var targetIndex = this._getItemIndex(relatedTarget);
+      var fromIndex = this._getItemIndex($(this._element).find(Selector.ACTIVE_ITEM)[0]);
       var slideEvent = $.Event(Event.SLIDE, {
         relatedTarget: relatedTarget,
-        direction: eventDirectionName
+        direction: eventDirectionName,
+        from: fromIndex,
+        to: targetIndex
       });
 
       $(this._element).trigger(slideEvent);
@@ -298,8 +322,9 @@ var Carousel = function ($) {
       var _this3 = this;
 
       var activeElement = $(this._element).find(Selector.ACTIVE_ITEM)[0];
+      var activeElementIndex = this._getItemIndex(activeElement);
       var nextElement = element || activeElement && this._getItemByDirection(direction, activeElement);
-
+      var nextElementIndex = this._getItemIndex(nextElement);
       var isCycling = Boolean(this._interval);
 
       var directionalClassName = void 0;
@@ -341,7 +366,9 @@ var Carousel = function ($) {
 
       var slidEvent = $.Event(Event.SLID, {
         relatedTarget: nextElement,
-        direction: eventDirectionName
+        direction: eventDirectionName,
+        from: activeElementIndex,
+        to: nextElementIndex
       });
 
       if (Util.supportsTransitionEnd() && $(this._element).hasClass(ClassName.SLIDE)) {
@@ -483,3 +510,4 @@ var Carousel = function ($) {
 
   return Carousel;
 }(jQuery);
+//# sourceMappingURL=carousel.js.map
\ No newline at end of file
diff --git a/assets/javascripts/bootstrap/collapse.js b/assets/javascripts/bootstrap/collapse.js
index 2969a60..0e2bc75 100644
--- a/assets/javascripts/bootstrap/collapse.js
+++ b/assets/javascripts/bootstrap/collapse.js
@@ -58,7 +58,7 @@ var Collapse = function ($) {
   };
 
   var Selector = {
-    ACTIVES: '.card > .show, .card > .collapsing',
+    ACTIVES: '.show, .collapsing',
     DATA_TOGGLE: '[data-toggle="collapse"]'
   };
 
@@ -103,11 +103,7 @@ var Collapse = function ($) {
     Collapse.prototype.show = function show() {
       var _this = this;
 
-      if (this._isTransitioning) {
-        throw new Error('Collapse is transitioning');
-      }
-
-      if ($(this._element).hasClass(ClassName.SHOW)) {
+      if (this._isTransitioning || $(this._element).hasClass(ClassName.SHOW)) {
         return;
       }
 
@@ -115,7 +111,7 @@ var Collapse = function ($) {
       var activesData = void 0;
 
       if (this._parent) {
-        actives = $.makeArray($(this._parent).find(Selector.ACTIVES));
+        actives = $.makeArray($(this._parent).children().children(Selector.ACTIVES));
         if (!actives.length) {
           actives = null;
         }
@@ -146,7 +142,6 @@ var Collapse = function ($) {
       $(this._element).removeClass(ClassName.COLLAPSE).addClass(ClassName.COLLAPSING);
 
       this._element.style[dimension] = 0;
-      this._element.setAttribute('aria-expanded', true);
 
       if (this._triggerArray.length) {
         $(this._triggerArray).removeClass(ClassName.COLLAPSED).attr('aria-expanded', true);
@@ -180,11 +175,7 @@ var Collapse = function ($) {
     Collapse.prototype.hide = function hide() {
       var _this2 = this;
 
-      if (this._isTransitioning) {
-        throw new Error('Collapse is transitioning');
-      }
-
-      if (!$(this._element).hasClass(ClassName.SHOW)) {
+      if (this._isTransitioning || !$(this._element).hasClass(ClassName.SHOW)) {
         return;
       }
 
@@ -195,16 +186,13 @@ var Collapse = function ($) {
       }
 
       var dimension = this._getDimension();
-      var offsetDimension = dimension === Dimension.WIDTH ? 'offsetWidth' : 'offsetHeight';
 
-      this._element.style[dimension] = this._element[offsetDimension] + 'px';
+      this._element.style[dimension] = this._element.getBoundingClientRect()[dimension] + 'px';
 
       Util.reflow(this._element);
 
       $(this._element).addClass(ClassName.COLLAPSING).removeClass(ClassName.COLLAPSE).removeClass(ClassName.SHOW);
 
-      this._element.setAttribute('aria-expanded', false);
-
       if (this._triggerArray.length) {
         $(this._triggerArray).addClass(ClassName.COLLAPSED).attr('aria-expanded', false);
       }
@@ -270,7 +258,6 @@ var Collapse = function ($) {
     Collapse.prototype._addAriaAndCollapsedClass = function _addAriaAndCollapsedClass(element, triggerArray) {
       if (element) {
         var isOpen = $(element).hasClass(ClassName.SHOW);
-        element.setAttribute('aria-expanded', isOpen);
 
         if (triggerArray.length) {
           $(triggerArray).toggleClass(ClassName.COLLAPSED, !isOpen).attr('aria-expanded', isOpen);
@@ -331,7 +318,9 @@ var Collapse = function ($) {
    */
 
   $(document).on(Event.CLICK_DATA_API, Selector.DATA_TOGGLE, function (event) {
-    event.preventDefault();
+    if (!/input|textarea/i.test(event.target.tagName)) {
+      event.preventDefault();
+    }
 
     var target = Collapse._getTargetFromElement(this);
     var data = $(target).data(DATA_KEY);
@@ -355,3 +344,4 @@ var Collapse = function ($) {
 
   return Collapse;
 }(jQuery);
+//# sourceMappingURL=collapse.js.map
\ No newline at end of file
diff --git a/assets/javascripts/bootstrap/dropdown.js b/assets/javascripts/bootstrap/dropdown.js
index 87fa677..a2593e1 100644
--- a/assets/javascripts/bootstrap/dropdown.js
+++ b/assets/javascripts/bootstrap/dropdown.js
@@ -1,3 +1,5 @@
+var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };
+
 var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
 
 function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
@@ -12,6 +14,14 @@ function _classCallCheck(instance, Constructor) { if (!(instance instanceof Cons
 var Dropdown = function ($) {
 
   /**
+   * Check for Popper dependency
+   * Popper - https://popper.js.org
+   */
+  if (typeof Popper === 'undefined') {
+    throw new Error('Bootstrap dropdown require Popper.js (https://popper.js.org)');
+  }
+
+  /**
    * ------------------------------------------------------------------------
    * Constants
    * ------------------------------------------------------------------------
@@ -24,9 +34,12 @@ var Dropdown = function ($) {
   var DATA_API_KEY = '.data-api';
   var JQUERY_NO_CONFLICT = $.fn[NAME];
   var ESCAPE_KEYCODE = 27; // KeyboardEvent.which value for Escape (Esc) key
+  var SPACE_KEYCODE = 32; // KeyboardEvent.which value for space key
+  var TAB_KEYCODE = 9; // KeyboardEvent.which value for tab key
   var ARROW_UP_KEYCODE = 38; // KeyboardEvent.which value for up arrow key
   var ARROW_DOWN_KEYCODE = 40; // KeyboardEvent.which value for down arrow key
   var RIGHT_MOUSE_BUTTON_WHICH = 3; // MouseEvent.which value for the right button (assuming a right-handed mouse)
+  var REGEXP_KEYDOWN = new RegExp(ARROW_UP_KEYCODE + '|' + ARROW_DOWN_KEYCODE + '|' + ESCAPE_KEYCODE);
 
   var Event = {
     HIDE: 'hide' + EVENT_KEY,
@@ -35,24 +48,43 @@ var Dropdown = function ($) {
     SHOWN: 'shown' + EVENT_KEY,
     CLICK: 'click' + EVENT_KEY,
     CLICK_DATA_API: 'click' + EVENT_KEY + DATA_API_KEY,
-    FOCUSIN_DATA_API: 'focusin' + EVENT_KEY + DATA_API_KEY,
-    KEYDOWN_DATA_API: 'keydown' + EVENT_KEY + DATA_API_KEY
+    KEYDOWN_DATA_API: 'keydown' + EVENT_KEY + DATA_API_KEY,
+    KEYUP_DATA_API: 'keyup' + EVENT_KEY + DATA_API_KEY
   };
 
   var ClassName = {
-    BACKDROP: 'dropdown-backdrop',
     DISABLED: 'disabled',
-    SHOW: 'show'
+    SHOW: 'show',
+    DROPUP: 'dropup',
+    MENURIGHT: 'dropdown-menu-right',
+    MENULEFT: 'dropdown-menu-left'
   };
 
   var Selector = {
-    BACKDROP: '.dropdown-backdrop',
     DATA_TOGGLE: '[data-toggle="dropdown"]',
     FORM_CHILD: '.dropdown form',
-    ROLE_MENU: '[role="menu"]',
-    ROLE_LISTBOX: '[role="listbox"]',
+    MENU: '.dropdown-menu',
     NAVBAR_NAV: '.navbar-nav',
-    VISIBLE_ITEMS: '[role="menu"] li:not(.disabled) a, ' + '[role="listbox"] li:not(.disabled) a'
+    VISIBLE_ITEMS: '.dropdown-menu .dropdown-item:not(.disabled)'
+  };
+
+  var AttachmentMap = {
+    TOP: 'top-start',
+    TOPEND: 'top-end',
+    BOTTOM: 'bottom-start',
+    BOTTOMEND: 'bottom-end'
+  };
+
+  var Default = {
+    placement: AttachmentMap.BOTTOM,
+    offset: 0,
+    flip: true
+  };
+
+  var DefaultType = {
+    placement: 'string',
+    offset: '(number|string)',
+    flip: 'boolean'
   };
 
   /**
@@ -62,10 +94,13 @@ var Dropdown = function ($) {
    */
 
   var Dropdown = function () {
-    function Dropdown(element) {
+    function Dropdown(element, config) {
       _classCallCheck(this, Dropdown);
 
       this._element = element;
+      this._popper = null;
+      this._config = this._getConfig(config);
+      this._menu = this._getMenuElement();
 
       this._addEventListeners();
     }
@@ -75,58 +110,130 @@ var Dropdown = function ($) {
     // public
 
     Dropdown.prototype.toggle = function toggle() {
-      if (this.disabled || $(this).hasClass(ClassName.DISABLED)) {
-        return false;
+      if (this._element.disabled || $(this._element).hasClass(ClassName.DISABLED)) {
+        return;
       }
 
-      var parent = Dropdown._getParentFromElement(this);
-      var isActive = $(parent).hasClass(ClassName.SHOW);
+      var parent = Dropdown._getParentFromElement(this._element);
+      var isActive = $(this._menu).hasClass(ClassName.SHOW);
 
       Dropdown._clearMenus();
 
       if (isActive) {
-        return false;
-      }
-
-      if ('ontouchstart' in document.documentElement && !$(parent).closest(Selector.NAVBAR_NAV).length) {
-
-        // if mobile we use a backdrop because click events don't delegate
-        var dropdown = document.createElement('div');
-        dropdown.className = ClassName.BACKDROP;
-        $(dropdown).insertBefore(this);
-        $(dropdown).on('click', Dropdown._clearMenus);
+        return;
       }
 
       var relatedTarget = {
-        relatedTarget: this
+        relatedTarget: this._element
       };
       var showEvent = $.Event(Event.SHOW, relatedTarget);
 
       $(parent).trigger(showEvent);
 
       if (showEvent.isDefaultPrevented()) {
-        return false;
+        return;
       }
 
-      this.focus();
-      this.setAttribute('aria-expanded', true);
+      var element = this._element;
+      // for dropup with alignment we use the parent as popper container
+      if ($(parent).hasClass(ClassName.DROPUP)) {
+        if ($(this._menu).hasClass(ClassName.MENULEFT) || $(this._menu).hasClass(ClassName.MENURIGHT)) {
+          element = parent;
+        }
+      }
+      this._popper = new Popper(element, this._menu, {
+        placement: this._getPlacement(),
+        modifiers: {
+          offset: {
+            offset: this._config.offset
+          },
+          flip: {
+            enabled: this._config.flip
+          }
+        }
+      });
+
+      // if this is a touch-enabled device we add extra
+      // empty mouseover listeners to the body's immediate children;
+      // only needed because of broken event delegation on iOS
+      // https://www.quirksmode.org/blog/archives/2014/02/mouse_event_bub.html
+      if ('ontouchstart' in document.documentElement && !$(parent).closest(Selector.NAVBAR_NAV).length) {
+        $('body').children().on('mouseover', null, $.noop);
+      }
 
-      $(parent).toggleClass(ClassName.SHOW);
-      $(parent).trigger($.Event(Event.SHOWN, relatedTarget));
+      this._element.focus();
+      this._element.setAttribute('aria-expanded', true);
 
-      return false;
+      $(this._menu).toggleClass(ClassName.SHOW);
+      $(parent).toggleClass(ClassName.SHOW).trigger($.Event(Event.SHOWN, relatedTarget));
     };
 
     Dropdown.prototype.dispose = function dispose() {
       $.removeData(this._element, DATA_KEY);
       $(this._element).off(EVENT_KEY);
       this._element = null;
+      this._menu = null;
+      if (this._popper !== null) {
+        this._popper.destroy();
+      }
+      this._popper = null;
+    };
+
+    Dropdown.prototype.update = function update() {
+      if (this._popper !== null) {
+        this._popper.scheduleUpdate();
+      }
     };
 
     // private
 
     Dropdown.prototype._addEventListeners = function _addEventListeners() {
-      $(this._element).on(Event.CLICK, this.toggle);
+      var _this = this;
+
+      $(this._element).on(Event.CLICK, function (event) {
+        event.preventDefault();
+        event.stopPropagation();
+        _this.toggle();
+      });
+    };
+
+    Dropdown.prototype._getConfig = function _getConfig(config) {
+      var elementData = $(this._element).data();
+      if (elementData.placement !== undefined) {
+        elementData.placement = AttachmentMap[elementData.placement.toUpperCase()];
+      }
+
+      config = $.extend({}, this.constructor.Default, $(this._element).data(), config);
+
+      Util.typeCheckConfig(NAME, config, this.constructor.DefaultType);
+
+      return config;
+    };
+
+    Dropdown.prototype._getMenuElement = function _getMenuElement() {
+      if (!this._menu) {
+        var parent = Dropdown._getParentFromElement(this._element);
+        this._menu = $(parent).find(Selector.MENU)[0];
+      }
+      return this._menu;
+    };
+
+    Dropdown.prototype._getPlacement = function _getPlacement() {
+      var $parentDropdown = $(this._element).parent();
+      var placement = this._config.placement;
+
+      // Handle dropup
+      if ($parentDropdown.hasClass(ClassName.DROPUP) || this._config.placement === AttachmentMap.TOP) {
+        placement = AttachmentMap.TOP;
+        if ($(this._menu).hasClass(ClassName.MENURIGHT)) {
+          placement = AttachmentMap.TOPEND;
+        }
+      } else {
+        if ($(this._menu).hasClass(ClassName.MENURIGHT)) {
+          placement = AttachmentMap.BOTTOMEND;
+        }
+      }
+      return placement;
     };
 
     // static
@@ -134,9 +241,10 @@ var Dropdown = function ($) {
     Dropdown._jQueryInterface = function _jQueryInterface(config) {
       return this.each(function () {
         var data = $(this).data(DATA_KEY);
+        var _config = (typeof config === 'undefined' ? 'undefined' : _typeof(config)) === 'object' ? config : null;
 
         if (!data) {
-          data = new Dropdown(this);
+          data = new Dropdown(this, _config);
           $(this).data(DATA_KEY, data);
         }
 
@@ -144,34 +252,34 @@ var Dropdown = function ($) {
           if (data[config] === undefined) {
             throw new Error('No method named "' + config + '"');
           }
-          data[config].call(this);
+          data[config]();
         }
       });
     };
 
     Dropdown._clearMenus = function _clearMenus(event) {
-      if (event && event.which === RIGHT_MOUSE_BUTTON_WHICH) {
+      if (event && (event.which === RIGHT_MOUSE_BUTTON_WHICH || event.type === 'keyup' && event.which !== TAB_KEYCODE)) {
         return;
       }
 
-      var backdrop = $(Selector.BACKDROP)[0];
-      if (backdrop) {
-        backdrop.parentNode.removeChild(backdrop);
-      }
-
       var toggles = $.makeArray($(Selector.DATA_TOGGLE));
-
       for (var i = 0; i < toggles.length; i++) {
         var parent = Dropdown._getParentFromElement(toggles[i]);
+        var context = $(toggles[i]).data(DATA_KEY);
         var relatedTarget = {
           relatedTarget: toggles[i]
         };
 
+        if (!context) {
+          continue;
+        }
+
+        var dropdownMenu = context._menu;
         if (!$(parent).hasClass(ClassName.SHOW)) {
           continue;
         }
 
-        if (event && (event.type === 'click' && /input|textarea/i.test(event.target.tagName) || event.type === 'focusin') && $.contains(parent, event.target)) {
+        if (event && (event.type === 'click' && /input|textarea/i.test(event.target.tagName) || event.type === 'keyup' && event.which === TAB_KEYCODE) && $.contains(parent, event.target)) {
           continue;
         }
 
@@ -181,8 +289,15 @@ var Dropdown = function ($) {
           continue;
         }
 
+        // if this is a touch-enabled device we remove the extra
+        // empty mouseover listeners we added for iOS support
+        if ('ontouchstart' in document.documentElement) {
+          $('body').children().off('mouseover', null, $.noop);
+        }
+
         toggles[i].setAttribute('aria-expanded', 'false');
 
+        $(dropdownMenu).removeClass(ClassName.SHOW);
         $(parent).removeClass(ClassName.SHOW).trigger($.Event(Event.HIDDEN, relatedTarget));
       }
     };
@@ -199,7 +314,7 @@ var Dropdown = function ($) {
     };
 
     Dropdown._dataApiKeydownHandler = function _dataApiKeydownHandler(event) {
-      if (!/(38|40|27|32)/.test(event.which) || /input|textarea/i.test(event.target.tagName)) {
+      if (!REGEXP_KEYDOWN.test(event.which) || /button/i.test(event.target.tagName) && event.which === SPACE_KEYCODE || /input|textarea/i.test(event.target.tagName)) {
         return;
       }
 
@@ -213,7 +328,7 @@ var Dropdown = function ($) {
       var parent = Dropdown._getParentFromElement(this);
       var isActive = $(parent).hasClass(ClassName.SHOW);
 
-      if (!isActive && event.which !== ESCAPE_KEYCODE || isActive && event.which === ESCAPE_KEYCODE) {
+      if (!isActive && (event.which !== ESCAPE_KEYCODE || event.which !== SPACE_KEYCODE) || isActive && (event.which === ESCAPE_KEYCODE || event.which === SPACE_KEYCODE)) {
 
         if (event.which === ESCAPE_KEYCODE) {
           var toggle = $(parent).find(Selector.DATA_TOGGLE)[0];
@@ -254,6 +369,16 @@ var Dropdown = function ($) {
       get: function get() {
         return VERSION;
       }
+    }, {
+      key: 'Default',
+      get: function get() {
+        return Default;
+      }
+    }, {
+      key: 'DefaultType',
+      get: function get() {
+        return DefaultType;
+      }
     }]);
 
     return Dropdown;
@@ -265,7 +390,11 @@ var Dropdown = function ($) {
    * ------------------------------------------------------------------------
    */
 
-  $(document).on(Event.KEYDOWN_DATA_API, Selector.DATA_TOGGLE, Dropdown._dataApiKeydownHandler).on(Event.KEYDOWN_DATA_API, Selector.ROLE_MENU, Dropdown._dataApiKeydownHandler).on(Event.KEYDOWN_DATA_API, Selector.ROLE_LISTBOX, Dropdown._dataApiKeydownHandler).on(Event.CLICK_DATA_API + ' ' + Event.FOCUSIN_DATA_API, Dropdown._clearMenus).on(Event.CLICK_DATA_API, Selector.DATA_TOGGLE, Dropdown.prototype.toggle).on(Event.CLICK_DATA_API, Selector.FORM_CHILD, function (e) {
+  $(document).on(Event.KEYDOWN_DATA_API, Selector.DATA_TOGGLE, Dropdown._dataApiKeydownHandler).on(Event.KEYDOWN_DATA_API, Selector.MENU, Dropdown._dataApiKeydownHandler).on(Event.CLICK_DATA_API + ' ' + Event.KEYUP_DATA_API, Dropdown._clearMenus).on(Event.CLICK_DATA_API, Selector.DATA_TOGGLE, function (event) {
+    event.preventDefault();
+    event.stopPropagation();
+    Dropdown._jQueryInterface.call($(this), 'toggle');
+  }).on(Event.CLICK_DATA_API, Selector.FORM_CHILD, function (e) {
     e.stopPropagation();
   });
 
@@ -283,4 +412,5 @@ var Dropdown = function ($) {
   };
 
   return Dropdown;
-}(jQuery);
+}(jQuery); /* global Popper */
+//# sourceMappingURL=dropdown.js.map
\ No newline at end of file
diff --git a/assets/javascripts/bootstrap/modal.js b/assets/javascripts/bootstrap/modal.js
index c6113e9..563d8f5 100644
--- a/assets/javascripts/bootstrap/modal.js
+++ b/assets/javascripts/bootstrap/modal.js
@@ -69,7 +69,8 @@ var Modal = function ($) {
     DIALOG: '.modal-dialog',
     DATA_TOGGLE: '[data-toggle="modal"]',
     DATA_DISMISS: '[data-dismiss="modal"]',
-    FIXED_CONTENT: '.fixed-top, .fixed-bottom, .is-fixed, .sticky-top'
+    FIXED_CONTENT: '.fixed-top, .fixed-bottom, .is-fixed, .sticky-top',
+    NAVBAR_TOGGLER: '.navbar-toggler'
   };
 
   /**
@@ -89,7 +90,6 @@ var Modal = function ($) {
       this._isShown = false;
       this._isBodyOverflowing = false;
       this._ignoreBackdropClick = false;
-      this._isTransitioning = false;
       this._originalBodyPadding = 0;
       this._scrollbarWidth = 0;
     }
@@ -106,12 +106,13 @@ var Modal = function ($) {
       var _this = this;
 
       if (this._isTransitioning) {
-        throw new Error('Modal is transitioning');
+        return;
       }
 
       if (Util.supportsTransitionEnd() && $(this._element).hasClass(ClassName.FADE)) {
         this._isTransitioning = true;
       }
+
       var showEvent = $.Event(Event.SHOW, {
         relatedTarget: relatedTarget
       });
@@ -156,16 +157,18 @@ var Modal = function ($) {
         event.preventDefault();
       }
 
-      if (this._isTransitioning) {
-        throw new Error('Modal is transitioning');
+      if (this._isTransitioning || !this._isShown) {
+        return;
       }
 
       var transition = Util.supportsTransitionEnd() && $(this._element).hasClass(ClassName.FADE);
+
       if (transition) {
         this._isTransitioning = true;
       }
 
       var hideEvent = $.Event(Event.HIDE);
+
       $(this._element).trigger(hideEvent);
 
       if (!this._isShown || hideEvent.isDefaultPrevented()) {
@@ -185,6 +188,7 @@ var Modal = function ($) {
       $(this._dialog).off(Event.MOUSEDOWN_DISMISS);
 
       if (transition) {
+
         $(this._element).one(Util.TRANSITION_END, function (event) {
           return _this2._hideModal(event);
         }).emulateTransitionEnd(TRANSITION_DURATION);
@@ -205,10 +209,13 @@ var Modal = function ($) {
       this._isShown = null;
       this._isBodyOverflowing = null;
       this._ignoreBackdropClick = null;
-      this._originalBodyPadding = null;
       this._scrollbarWidth = null;
     };
 
+    Modal.prototype.handleUpdate = function handleUpdate() {
+      this._adjustDialog();
+    };
+
     // private
 
     Modal.prototype._getConfig = function _getConfig(config) {
@@ -277,6 +284,7 @@ var Modal = function ($) {
       if (this._isShown && this._config.keyboard) {
         $(this._element).on(Event.KEYDOWN_DISMISS, function (event) {
           if (event.which === ESCAPE_KEYCODE) {
+            event.preventDefault();
             _this5.hide();
           }
         });
@@ -290,7 +298,7 @@ var Modal = function ($) {
 
       if (this._isShown) {
         $(window).on(Event.RESIZE, function (event) {
-          return _this6._handleUpdate(event);
+          return _this6.handleUpdate(event);
         });
       } else {
         $(window).off(Event.RESIZE);
@@ -301,7 +309,7 @@ var Modal = function ($) {
       var _this7 = this;
 
       this._element.style.display = 'none';
-      this._element.setAttribute('aria-hidden', 'true');
+      this._element.setAttribute('aria-hidden', true);
       this._isTransitioning = false;
       this._showBackdrop(function () {
         $(document.body).removeClass(ClassName.OPEN);
@@ -391,10 +399,6 @@ var Modal = function ($) {
     // todo (fat): these should probably be refactored out of modal.js
     // ----------------------------------------------------------------------
 
-    Modal.prototype._handleUpdate = function _handleUpdate() {
-      this._adjustDialog();
-    };
-
     Modal.prototype._adjustDialog = function _adjustDialog() {
       var isModalOverflowing = this._element.scrollHeight > document.documentElement.clientHeight;
 
@@ -418,17 +422,55 @@ var Modal = function ($) {
     };
 
     Modal.prototype._setScrollbar = function _setScrollbar() {
-      var bodyPadding = parseInt($(Selector.FIXED_CONTENT).css('padding-right') || 0, 10);
-
-      this._originalBodyPadding = document.body.style.paddingRight || '';
+      var _this9 = this;
 
       if (this._isBodyOverflowing) {
-        document.body.style.paddingRight = bodyPadding + this._scrollbarWidth + 'px';
+        // Note: DOMNode.style.paddingRight returns the actual value or '' if not set
+        //   while $(DOMNode).css('padding-right') returns the calculated value or 0 if not set
+
+        // Adjust fixed content padding
+        $(Selector.FIXED_CONTENT).each(function (index, element) {
+          var actualPadding = $(element)[0].style.paddingRight;
+          var calculatedPadding = $(element).css('padding-right');
+          $(element).data('padding-right', actualPadding).css('padding-right', parseFloat(calculatedPadding) + _this9._scrollbarWidth + 'px');
+        });
+
+        // Adjust navbar-toggler margin
+        $(Selector.NAVBAR_TOGGLER).each(function (index, element) {
+          var actualMargin = $(element)[0].style.marginRight;
+          var calculatedMargin = $(element).css('margin-right');
+          $(element).data('margin-right', actualMargin).css('margin-right', parseFloat(calculatedMargin) + _this9._scrollbarWidth + 'px');
+        });
+
+        // Adjust body padding
+        var actualPadding = document.body.style.paddingRight;
+        var calculatedPadding = $('body').css('padding-right');
+        $('body').data('padding-right', actualPadding).css('padding-right', parseFloat(calculatedPadding) + this._scrollbarWidth + 'px');
       }
     };
 
     Modal.prototype._resetScrollbar = function _resetScrollbar() {
-      document.body.style.paddingRight = this._originalBodyPadding;
+      // Restore fixed content padding
+      $(Selector.FIXED_CONTENT).each(function (index, element) {
+        var padding = $(element).data('padding-right');
+        if (typeof padding !== 'undefined') {
+          $(element).css('padding-right', padding).removeData('padding-right');
+        }
+      });
+
+      // Restore navbar-toggler margin
+      $(Selector.NAVBAR_TOGGLER).each(function (index, element) {
+        var margin = $(element).data('margin-right');
+        if (typeof margin !== 'undefined') {
+          $(element).css('margin-right', margin).removeData('margin-right');
+        }
+      });
+
+      // Restore body padding
+      var padding = $('body').data('padding-right');
+      if (typeof padding !== 'undefined') {
+        $('body').css('padding-right', padding).removeData('padding-right');
+      }
     };
 
     Modal.prototype._getScrollbarWidth = function _getScrollbarWidth() {
@@ -436,7 +478,7 @@ var Modal = function ($) {
       var scrollDiv = document.createElement('div');
       scrollDiv.className = ClassName.SCROLLBAR_MEASURER;
       document.body.appendChild(scrollDiv);
-      var scrollbarWidth = scrollDiv.offsetWidth - scrollDiv.clientWidth;
+      var scrollbarWidth = scrollDiv.getBoundingClientRect().width - scrollDiv.clientWidth;
       document.body.removeChild(scrollDiv);
       return scrollbarWidth;
     };
@@ -486,7 +528,7 @@ var Modal = function ($) {
    */
 
   $(document).on(Event.CLICK_DATA_API, Selector.DATA_TOGGLE, function (event) {
-    var _this9 = this;
+    var _this10 = this;
 
     var target = void 0;
     var selector = Util.getSelectorFromElement(this);
@@ -508,8 +550,8 @@ var Modal = function ($) {
       }
 
       $target.one(Event.HIDDEN, function () {
-        if ($(_this9).is(':visible')) {
-          _this9.focus();
+        if ($(_this10).is(':visible')) {
+          _this10.focus();
         }
       });
     });
@@ -532,3 +574,4 @@ var Modal = function ($) {
 
   return Modal;
 }(jQuery);
+//# sourceMappingURL=modal.js.map
\ No newline at end of file
diff --git a/assets/javascripts/bootstrap/popover.js b/assets/javascripts/bootstrap/popover.js
index 5ca8c0c..1e82e82 100644
--- a/assets/javascripts/bootstrap/popover.js
+++ b/assets/javascripts/bootstrap/popover.js
@@ -28,12 +28,14 @@ var Popover = function ($) {
   var DATA_KEY = 'bs.popover';
   var EVENT_KEY = '.' + DATA_KEY;
   var JQUERY_NO_CONFLICT = $.fn[NAME];
+  var CLASS_PREFIX = 'bs-popover';
+  var BSCLS_PREFIX_REGEX = new RegExp('(^|\\s)' + CLASS_PREFIX + '\\S+', 'g');
 
   var Default = $.extend({}, Tooltip.Default, {
     placement: 'right',
     trigger: 'click',
     content: '',
-    template: '<div class="popover" role="tooltip">' + '<h3 class="popover-title"></h3>' + '<div class="popover-content"></div></div>'
+    template: '<div class="popover" role="tooltip">' + '<div class="arrow" x-arrow></div>' + '<h3 class="popover-title"></h3>' + '<div class="popover-content"></div></div>'
   });
 
   var DefaultType = $.extend({}, Tooltip.DefaultType, {
@@ -84,6 +86,10 @@ var Popover = function ($) {
       return this.getTitle() || this._getContent();
     };
 
+    Popover.prototype.addAttachmentClass = function addAttachmentClass(attachment) {
+      $(this.getTipElement()).addClass(CLASS_PREFIX + '-' + attachment);
+    };
+
     Popover.prototype.getTipElement = function getTipElement() {
       return this.tip = this.tip || $(this.config.template)[0];
     };
@@ -96,8 +102,6 @@ var Popover = function ($) {
       this.setElementContent($tip.find(Selector.CONTENT), this._getContent());
 
       $tip.removeClass(ClassName.FADE + ' ' + ClassName.SHOW);
-
-      this.cleanupTether();
     };
 
     // private
@@ -106,6 +110,14 @@ var Popover = function ($) {
       return this.element.getAttribute('data-content') || (typeof this.config.content === 'function' ? this.config.content.call(this.element) : this.config.content);
     };
 
+    Popover.prototype._cleanTipClass = function _cleanTipClass() {
+      var $tip = $(this.getTipElement());
+      var tabClass = $tip.attr('class').match(BSCLS_PREFIX_REGEX);
+      if (tabClass !== null && tabClass.length > 0) {
+        $tip.removeClass(tabClass.join(''));
+      }
+    };
+
     // static
 
     Popover._jQueryInterface = function _jQueryInterface(config) {
@@ -190,3 +202,4 @@ var Popover = function ($) {
 
   return Popover;
 }(jQuery);
+//# sourceMappingURL=popover.js.map
\ No newline at end of file
diff --git a/assets/javascripts/bootstrap/scrollspy.js b/assets/javascripts/bootstrap/scrollspy.js
index e2ee2e3..a332f96 100644
--- a/assets/javascripts/bootstrap/scrollspy.js
+++ b/assets/javascripts/bootstrap/scrollspy.js
@@ -47,18 +47,15 @@ var ScrollSpy = function ($) {
   var ClassName = {
     DROPDOWN_ITEM: 'dropdown-item',
     DROPDOWN_MENU: 'dropdown-menu',
-    NAV_LINK: 'nav-link',
-    NAV: 'nav',
     ACTIVE: 'active'
   };
 
   var Selector = {
     DATA_SPY: '[data-spy="scroll"]',
     ACTIVE: '.active',
-    LIST_ITEM: '.list-item',
-    LI: 'li',
-    LI_DROPDOWN: 'li.dropdown',
+    NAV_LIST_GROUP: '.nav, .list-group',
     NAV_LINKS: '.nav-link',
+    LIST_ITEMS: '.list-group-item',
     DROPDOWN: '.dropdown',
     DROPDOWN_ITEMS: '.dropdown-item',
     DROPDOWN_TOGGLE: '.dropdown-toggle'
@@ -84,7 +81,7 @@ var ScrollSpy = function ($) {
       this._element = element;
       this._scrollElement = element.tagName === 'BODY' ? window : element;
       this._config = this._getConfig(config);
-      this._selector = this._config.target + ' ' + Selector.NAV_LINKS + ',' + (this._config.target + ' ' + Selector.DROPDOWN_ITEMS);
+      this._selector = this._config.target + ' ' + Selector.NAV_LINKS + ',' + (this._config.target + ' ' + Selector.LIST_ITEMS + ',') + (this._config.target + ' ' + Selector.DROPDOWN_ITEMS);
       this._offsets = [];
       this._targets = [];
       this._activeTarget = null;
@@ -126,9 +123,12 @@ var ScrollSpy = function ($) {
           target = $(targetSelector)[0];
         }
 
-        if (target && (target.offsetWidth || target.offsetHeight)) {
-          // todo (fat): remove sketch reliance on jQuery position/offset
-          return [$(target)[offsetMethod]().top + offsetBase, targetSelector];
+        if (target) {
+          var targetBCR = target.getBoundingClientRect();
+          if (targetBCR.width || targetBCR.height) {
+            // todo (fat): remove sketch reliance on jQuery position/offset
+            return [$(target)[offsetMethod]().top + offsetBase, targetSelector];
+          }
         }
         return null;
       }).filter(function (item) {
@@ -183,7 +183,7 @@ var ScrollSpy = function ($) {
     };
 
     ScrollSpy.prototype._getOffsetHeight = function _getOffsetHeight() {
-      return this._scrollElement === window ? window.innerHeight : this._scrollElement.offsetHeight;
+      return this._scrollElement === window ? window.innerHeight : this._scrollElement.getBoundingClientRect().height;
     };
 
     ScrollSpy.prototype._process = function _process() {
@@ -235,9 +235,11 @@ var ScrollSpy = function ($) {
         $link.closest(Selector.DROPDOWN).find(Selector.DROPDOWN_TOGGLE).addClass(ClassName.ACTIVE);
         $link.addClass(ClassName.ACTIVE);
       } else {
-        // todo (fat) this is kinda sus...
-        // recursively add actives to tested nav-links
-        $link.parents(Selector.LI).find('> ' + Selector.NAV_LINKS).addClass(ClassName.ACTIVE);
+        // Set triggered link as active
+        $link.addClass(ClassName.ACTIVE);
+        // Set triggered links parents as active
+        // With both <ul> and <nav> markup a parent is the previous sibling of any nav ancestor
+        $link.parents(Selector.NAV_LIST_GROUP).prev(Selector.NAV_LINKS + ', ' + Selector.LIST_ITEMS).addClass(ClassName.ACTIVE);
       }
 
       $(this._scrollElement).trigger(Event.ACTIVATE, {
@@ -315,3 +317,4 @@ var ScrollSpy = function ($) {
 
   return ScrollSpy;
 }(jQuery);
+//# sourceMappingURL=scrollspy.js.map
\ No newline at end of file
diff --git a/assets/javascripts/bootstrap/tab.js b/assets/javascripts/bootstrap/tab.js
index ba1b9c1..fb0749e 100644
--- a/assets/javascripts/bootstrap/tab.js
+++ b/assets/javascripts/bootstrap/tab.js
@@ -42,14 +42,10 @@ var Tab = function ($) {
   };
 
   var Selector = {
-    A: 'a',
-    LI: 'li',
     DROPDOWN: '.dropdown',
-    LIST: 'ul:not(.dropdown-menu), ol:not(.dropdown-menu), nav:not(.dropdown-menu)',
-    FADE_CHILD: '> .nav-item .fade, > .fade',
+    NAV_LIST_GROUP: '.nav, .list-group',
     ACTIVE: '.active',
-    ACTIVE_CHILD: '> .nav-item > .active, > .active',
-    DATA_TOGGLE: '[data-toggle="tab"], [data-toggle="pill"]',
+    DATA_TOGGLE: '[data-toggle="tab"], [data-toggle="pill"], [data-toggle="list"]',
     DROPDOWN_TOGGLE: '.dropdown-toggle',
     DROPDOWN_ACTIVE_CHILD: '> .dropdown-menu .active'
   };
@@ -80,7 +76,7 @@ var Tab = function ($) {
 
       var target = void 0;
       var previous = void 0;
-      var listElement = $(this._element).closest(Selector.LIST)[0];
+      var listElement = $(this._element).closest(Selector.NAV_LIST_GROUP)[0];
       var selector = Util.getSelectorFromElement(this._element);
 
       if (listElement) {
@@ -133,7 +129,7 @@ var Tab = function ($) {
     };
 
     Tab.prototype.dispose = function dispose() {
-      $.removeClass(this._element, DATA_KEY);
+      $.removeData(this._element, DATA_KEY);
       this._element = null;
     };
 
@@ -142,8 +138,8 @@ var Tab = function ($) {
     Tab.prototype._activate = function _activate(element, container, callback) {
       var _this2 = this;
 
-      var active = $(container).find(Selector.ACTIVE_CHILD)[0];
-      var isTransitioning = callback && Util.supportsTransitionEnd() && (active && $(active).hasClass(ClassName.FADE) || Boolean($(container).find(Selector.FADE_CHILD)[0]));
+      var active = $(container).find(Selector.ACTIVE)[0];
+      var isTransitioning = callback && Util.supportsTransitionEnd() && active && $(active).hasClass(ClassName.FADE);
 
       var complete = function complete() {
         return _this2._transitionComplete(element, active, isTransitioning, callback);
@@ -255,3 +251,4 @@ var Tab = function ($) {
 
   return Tab;
 }(jQuery);
+//# sourceMappingURL=tab.js.map
\ No newline at end of file
diff --git a/assets/javascripts/bootstrap/tooltip.js b/assets/javascripts/bootstrap/tooltip.js
index d261eab..f470481 100644
--- a/assets/javascripts/bootstrap/tooltip.js
+++ b/assets/javascripts/bootstrap/tooltip.js
@@ -14,11 +14,11 @@ function _classCallCheck(instance, Constructor) { if (!(instance instanceof Cons
 var Tooltip = function ($) {
 
   /**
-   * Check for Tether dependency
-   * Tether - http://tether.io/
+   * Check for Popper dependency
+   * Popper - https://popper.js.org
    */
-  if (typeof Tether === 'undefined') {
-    throw new Error('Bootstrap tooltips require Tether (http://tether.io/)');
+  if (typeof Popper === 'undefined') {
+    throw new Error('Bootstrap tooltips require Popper.js (https://popper.js.org)');
   }
 
   /**
@@ -33,21 +33,8 @@ var Tooltip = function ($) {
   var EVENT_KEY = '.' + DATA_KEY;
   var JQUERY_NO_CONFLICT = $.fn[NAME];
   var TRANSITION_DURATION = 150;
-  var CLASS_PREFIX = 'bs-tether';
-
-  var Default = {
-    animation: true,
-    template: '<div class="tooltip" role="tooltip">' + '<div class="tooltip-inner"></div></div>',
-    trigger: 'hover focus',
-    title: '',
-    delay: 0,
-    html: false,
-    selector: false,
-    placement: 'top',
-    offset: '0 0',
-    constraints: [],
-    container: false
-  };
+  var CLASS_PREFIX = 'bs-tooltip';
+  var BSCLS_PREFIX_REGEX = new RegExp('(^|\\s)' + CLASS_PREFIX + '\\S+', 'g');
 
   var DefaultType = {
     animation: 'boolean',
@@ -58,16 +45,31 @@ var Tooltip = function ($) {
     html: 'boolean',
     selector: '(string|boolean)',
     placement: '(string|function)',
-    offset: 'string',
-    constraints: 'array',
-    container: '(string|element|boolean)'
+    offset: '(number|string)',
+    container: '(string|element|boolean)',
+    fallbackPlacement: '(string|array)'
   };
 
   var AttachmentMap = {
-    TOP: 'bottom center',
-    RIGHT: 'middle left',
-    BOTTOM: 'top center',
-    LEFT: 'middle right'
+    AUTO: 'auto',
+    TOP: 'top',
+    RIGHT: 'right',
+    BOTTOM: 'bottom',
+    LEFT: 'left'
+  };
+
+  var Default = {
+    animation: true,
+    template: '<div class="tooltip" role="tooltip">' + '<div class="arrow" x-arrow></div>' + '<div class="tooltip-inner"></div></div>',
+    trigger: 'hover focus',
+    title: '',
+    delay: 0,
+    html: false,
+    selector: false,
+    placement: 'top',
+    offset: 0,
+    container: false,
+    fallbackPlacement: 'flip'
   };
 
   var HoverState = {
@@ -98,11 +100,6 @@ var Tooltip = function ($) {
     TOOLTIP_INNER: '.tooltip-inner'
   };
 
-  var TetherClass = {
-    element: false,
-    enabled: false
-  };
-
   var Trigger = {
     HOVER: 'hover',
     FOCUS: 'focus',
@@ -125,8 +122,7 @@ var Tooltip = function ($) {
       this._timeout = 0;
       this._hoverState = '';
       this._activeTrigger = {};
-      this._isTransitioning = false;
-      this._tether = null;
+      this._popper = null;
 
       // protected
       this.element = element;
@@ -183,8 +179,6 @@ var Tooltip = function ($) {
     Tooltip.prototype.dispose = function dispose() {
       clearTimeout(this._timeout);
 
-      this.cleanupTether();
-
       $.removeData(this.element, this.constructor.DATA_KEY);
 
       $(this.element).off(this.constructor.EVENT_KEY);
@@ -198,7 +192,10 @@ var Tooltip = function ($) {
       this._timeout = null;
       this._hoverState = null;
       this._activeTrigger = null;
-      this._tether = null;
+      if (this._popper !== null) {
+        this._popper.destroy();
+      }
+      this._popper = null;
 
       this.element = null;
       this.config = null;
@@ -214,9 +211,6 @@ var Tooltip = function ($) {
 
       var showEvent = $.Event(this.constructor.Event.SHOW);
       if (this.isWithContent() && this._isEnabled) {
-        if (this._isTransitioning) {
-          throw new Error('Tooltip is transitioning');
-        }
         $(this.element).trigger(showEvent);
 
         var isInTheDom = $.contains(this.element.ownerDocument.documentElement, this.element);
@@ -240,33 +234,54 @@ var Tooltip = function ($) {
         var placement = typeof this.config.placement === 'function' ? this.config.placement.call(this, tip, this.element) : this.config.placement;
 
         var attachment = this._getAttachment(placement);
+        this.addAttachmentClass(attachment);
 
         var container = this.config.container === false ? document.body : $(this.config.container);
 
-        $(tip).data(this.constructor.DATA_KEY, this).appendTo(container);
+        $(tip).data(this.constructor.DATA_KEY, this);
+
+        if (!$.contains(this.element.ownerDocument.documentElement, this.tip)) {
+          $(tip).appendTo(container);
+        }
 
         $(this.element).trigger(this.constructor.Event.INSERTED);
 
-        this._tether = new Tether({
-          attachment: attachment,
-          element: tip,
-          target: this.element,
-          classes: TetherClass,
-          classPrefix: CLASS_PREFIX,
-          offset: this.config.offset,
-          constraints: this.config.constraints,
-          addTargetClasses: false
+        this._popper = new Popper(this.element, tip, {
+          placement: attachment,
+          modifiers: {
+            offset: {
+              offset: this.config.offset
+            },
+            flip: {
+              behavior: this.config.fallbackPlacement
+            }
+          },
+          onCreate: function onCreate(data) {
+            if (data.originalPlacement !== data.placement) {
+              _this._handlePopperPlacementChange(data);
+            }
+          },
+          onUpdate: function onUpdate(data) {
+            _this._handlePopperPlacementChange(data);
+          }
         });
 
-        Util.reflow(tip);
-        this._tether.position();
-
         $(tip).addClass(ClassName.SHOW);
 
+        // if this is a touch-enabled device we add extra
+        // empty mouseover listeners to the body's immediate children;
+        // only needed because of broken event delegation on iOS
+        // https://www.quirksmode.org/blog/archives/2014/02/mouse_event_bub.html
+        if ('ontouchstart' in document.documentElement) {
+          $('body').children().on('mouseover', null, $.noop);
+        }
+
         var complete = function complete() {
+          if (_this.config.animation) {
+            _this._fixTransition();
+          }
           var prevHoverState = _this._hoverState;
           _this._hoverState = null;
-          _this._isTransitioning = false;
 
           $(_this.element).trigger(_this.constructor.Event.SHOWN);
 
@@ -276,12 +291,10 @@ var Tooltip = function ($) {
         };
 
         if (Util.supportsTransitionEnd() && $(this.tip).hasClass(ClassName.FADE)) {
-          this._isTransitioning = true;
           $(this.tip).one(Util.TRANSITION_END, complete).emulateTransitionEnd(Tooltip._TRANSITION_DURATION);
-          return;
+        } else {
+          complete();
         }
-
-        complete();
       }
     };
 
@@ -290,18 +303,17 @@ var Tooltip = function ($) {
 
       var tip = this.getTipElement();
       var hideEvent = $.Event(this.constructor.Event.HIDE);
-      if (this._isTransitioning) {
-        throw new Error('Tooltip is transitioning');
-      }
       var complete = function complete() {
         if (_this2._hoverState !== HoverState.SHOW && tip.parentNode) {
           tip.parentNode.removeChild(tip);
         }
 
+        _this2._cleanTipClass();
         _this2.element.removeAttribute('aria-describedby');
         $(_this2.element).trigger(_this2.constructor.Event.HIDDEN);
-        _this2._isTransitioning = false;
-        _this2.cleanupTether();
+        if (_this2._popper !== null) {
+          _this2._popper.destroy();
+        }
 
         if (callback) {
           callback();
@@ -316,12 +328,18 @@ var Tooltip = function ($) {
 
       $(tip).removeClass(ClassName.SHOW);
 
+      // if this is a touch-enabled device we remove the extra
+      // empty mouseover listeners we added for iOS support
+      if ('ontouchstart' in document.documentElement) {
+        $('body').children().off('mouseover', null, $.noop);
+      }
+
       this._activeTrigger[Trigger.CLICK] = false;
       this._activeTrigger[Trigger.FOCUS] = false;
       this._activeTrigger[Trigger.HOVER] = false;
 
       if (Util.supportsTransitionEnd() && $(this.tip).hasClass(ClassName.FADE)) {
-        this._isTransitioning = true;
+
         $(tip).one(Util.TRANSITION_END, complete).emulateTransitionEnd(TRANSITION_DURATION);
       } else {
         complete();
@@ -330,24 +348,30 @@ var Tooltip = function ($) {
       this._hoverState = '';
     };
 
+    Tooltip.prototype.update = function update() {
+      if (this._popper !== null) {
+        this._popper.scheduleUpdate();
+      }
+    };
+
     // protected
 
     Tooltip.prototype.isWithContent = function isWithContent() {
       return Boolean(this.getTitle());
     };
 
+    Tooltip.prototype.addAttachmentClass = function addAttachmentClass(attachment) {
+      $(this.getTipElement()).addClass(CLASS_PREFIX + '-' + attachment);
+    };
+
     Tooltip.prototype.getTipElement = function getTipElement() {
       return this.tip = this.tip || $(this.config.template)[0];
     };
 
     Tooltip.prototype.setContent = function setContent() {
       var $tip = $(this.getTipElement());
-
       this.setElementContent($tip.find(Selector.TOOLTIP_INNER), this.getTitle());
-
       $tip.removeClass(ClassName.FADE + ' ' + ClassName.SHOW);
-
-      this.cleanupTether();
     };
 
     Tooltip.prototype.setElementContent = function setElementContent($element, content) {
@@ -376,12 +400,6 @@ var Tooltip = function ($) {
       return title;
     };
 
-    Tooltip.prototype.cleanupTether = function cleanupTether() {
-      if (this._tether) {
-        this._tether.destroy();
-      }
-    };
-
     // private
 
     Tooltip.prototype._getAttachment = function _getAttachment(placement) {
@@ -521,6 +539,14 @@ var Tooltip = function ($) {
         };
       }
 
+      if (config.title && typeof config.title === 'number') {
+        config.title = config.title.toString();
+      }
+
+      if (config.content && typeof config.content === 'number') {
+        config.content = config.content.toString();
+      }
+
       Util.typeCheckConfig(NAME, config, this.constructor.DefaultType);
 
       return config;
@@ -540,6 +566,32 @@ var Tooltip = function ($) {
       return config;
     };
 
+    Tooltip.prototype._cleanTipClass = function _cleanTipClass() {
+      var $tip = $(this.getTipElement());
+      var tabClass = $tip.attr('class').match(BSCLS_PREFIX_REGEX);
+      if (tabClass !== null && tabClass.length > 0) {
+        $tip.removeClass(tabClass.join(''));
+      }
+    };
+
+    Tooltip.prototype._handlePopperPlacementChange = function _handlePopperPlacementChange(data) {
+      this._cleanTipClass();
+      this.addAttachmentClass(this._getAttachment(data.placement));
+    };
+
+    Tooltip.prototype._fixTransition = function _fixTransition() {
+      var tip = this.getTipElement();
+      var initConfigAnimation = this.config.animation;
+      if (tip.getAttribute('x-placement') !== null) {
+        return;
+      }
+      $(tip).removeClass(ClassName.FADE);
+      this.config.animation = false;
+      this.hide();
+      this.show();
+      this.config.animation = initConfigAnimation;
+    };
+
     // static
 
     Tooltip._jQueryInterface = function _jQueryInterface(config) {
@@ -619,4 +671,5 @@ var Tooltip = function ($) {
   };
 
   return Tooltip;
-}(jQuery); /* global Tether */
+}(jQuery); /* global Popper */
+//# sourceMappingURL=tooltip.js.map
\ No newline at end of file
diff --git a/assets/javascripts/bootstrap/util.js b/assets/javascripts/bootstrap/util.js
index 890b05d..58d5dd9 100644
--- a/assets/javascripts/bootstrap/util.js
+++ b/assets/javascripts/bootstrap/util.js
@@ -111,13 +111,16 @@ var Util = function ($) {
     },
     getSelectorFromElement: function getSelectorFromElement(element) {
       var selector = element.getAttribute('data-target');
-
-      if (!selector) {
+      if (!selector || selector === '#') {
         selector = element.getAttribute('href') || '';
-        selector = /^#[a-z]/i.test(selector) ? selector : null;
       }
 
-      return selector;
+      try {
+        var $selector = $(selector);
+        return $selector.length > 0 ? selector : null;
+      } catch (error) {
+        return null;
+      }
     },
     reflow: function reflow(element) {
       return element.offsetHeight;
@@ -147,3 +150,4 @@ var Util = function ($) {
 
   return Util;
 }(jQuery);
+//# sourceMappingURL=util.js.map
\ No newline at end of file
diff --git a/assets/stylesheets/_bootstrap-grid.scss b/assets/stylesheets/_bootstrap-grid.scss
index 4c57cc6..bff585c 100644
--- a/assets/stylesheets/_bootstrap-grid.scss
+++ b/assets/stylesheets/_bootstrap-grid.scss
@@ -22,22 +22,16 @@ html {
   box-sizing: inherit;
 }
 
-
-//
-// Variables
-//
-
+@import "bootstrap/custom";
 @import "bootstrap/variables";
 
 //
 // Grid mixins
 //
 
-@import "bootstrap/mixins/clearfix";
 @import "bootstrap/mixins/breakpoints";
 @import "bootstrap/mixins/grid-framework";
 @import "bootstrap/mixins/grid";
 
-@import "bootstrap/custom";
-
 @import "bootstrap/grid";
+@import "bootstrap/utilities/flex";
diff --git a/assets/stylesheets/_bootstrap-reboot.scss b/assets/stylesheets/_bootstrap-reboot.scss
index 2c8a185..6aa25aa 100644
--- a/assets/stylesheets/_bootstrap-reboot.scss
+++ b/assets/stylesheets/_bootstrap-reboot.scss
@@ -2,9 +2,8 @@
 //
 // Includes only Normalize and our custom Reboot reset.
 
+@import "bootstrap/custom";
 @import "bootstrap/variables";
 @import "bootstrap/mixins";
-@import "bootstrap/custom";
 
-@import "bootstrap/normalize";
 @import "bootstrap/reboot";
diff --git a/assets/stylesheets/_bootstrap.scss b/assets/stylesheets/_bootstrap.scss
index 2abc609..88db5f7 100644
--- a/assets/stylesheets/_bootstrap.scss
+++ b/assets/stylesheets/_bootstrap.scss
@@ -6,12 +6,10 @@
  */
 
 // Core variables and mixins
+@import "bootstrap/custom";
 @import "bootstrap/variables";
 @import "bootstrap/mixins";
-@import "bootstrap/custom";
 
-// Reset and dependencies
-@import "bootstrap/normalize";
 @import "bootstrap/print";
 
 // Core CSS
diff --git a/assets/stylesheets/bootstrap/_alert.scss b/assets/stylesheets/bootstrap/_alert.scss
index d9b4e9b..562821a 100644
--- a/assets/stylesheets/bootstrap/_alert.scss
+++ b/assets/stylesheets/bootstrap/_alert.scss
@@ -42,14 +42,14 @@
 // Generate contextual modifier classes for colorizing the alert.
 
 .alert-success {
-  @include alert-variant($alert-success-bg, $alert-success-border, $alert-success-text);
+  @include alert-variant($alert-success-bg, $alert-success-border-color, $alert-success-text);
 }
 .alert-info {
-  @include alert-variant($alert-info-bg, $alert-info-border, $alert-info-text);
+  @include alert-variant($alert-info-bg, $alert-info-border-color, $alert-info-text);
 }
 .alert-warning {
-  @include alert-variant($alert-warning-bg, $alert-warning-border, $alert-warning-text);
+  @include alert-variant($alert-warning-bg, $alert-warning-border-color, $alert-warning-text);
 }
 .alert-danger {
-  @include alert-variant($alert-danger-bg, $alert-danger-border, $alert-danger-text);
+  @include alert-variant($alert-danger-bg, $alert-danger-border-color, $alert-danger-text);
 }
diff --git a/assets/stylesheets/bootstrap/_badge.scss b/assets/stylesheets/bootstrap/_badge.scss
index e5a3298..175b19d 100644
--- a/assets/stylesheets/bootstrap/_badge.scss
+++ b/assets/stylesheets/bootstrap/_badge.scss
@@ -33,7 +33,6 @@ a.badge {
   @include hover-focus {
     color: $badge-link-hover-color;
     text-decoration: none;
-    cursor: pointer;
   }
 }
 // scss-lint:enable QualifyingElement
diff --git a/assets/stylesheets/bootstrap/_breadcrumb.scss b/assets/stylesheets/bootstrap/_breadcrumb.scss
index 1a09bba..2bc0e20 100644
--- a/assets/stylesheets/bootstrap/_breadcrumb.scss
+++ b/assets/stylesheets/bootstrap/_breadcrumb.scss
@@ -1,6 +1,6 @@
 .breadcrumb {
   padding: $breadcrumb-padding-y $breadcrumb-padding-x;
-  margin-bottom: $spacer-y;
+  margin-bottom: 1rem;
   list-style: none;
   background-color: $breadcrumb-bg;
   @include border-radius($border-radius);
diff --git a/assets/stylesheets/bootstrap/_button-group.scss b/assets/stylesheets/bootstrap/_button-group.scss
index 584ed15..d4c79ab 100644
--- a/assets/stylesheets/bootstrap/_button-group.scss
+++ b/assets/stylesheets/bootstrap/_button-group.scss
@@ -10,6 +10,7 @@
   > .btn {
     position: relative;
     flex: 0 1 auto;
+    margin-bottom: 0;
 
     // Bring the hover, focused, and "active" buttons to the fron to overlay
     // the borders properly
@@ -35,6 +36,7 @@
 // Optional: Group multiple button groups together for a toolbar
 .btn-toolbar {
   display: flex;
+  flex-wrap: wrap;
   justify-content: flex-start;
 
   .input-group {
@@ -77,12 +79,6 @@
   @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;
-}
-
 
 // Sizing
 //
@@ -97,8 +93,8 @@
 //
 
 .btn + .dropdown-toggle-split {
-  padding-right: $btn-padding-x * .75;
-  padding-left: $btn-padding-x * .75;
+  padding-right: $input-btn-padding-x * .75;
+  padding-left: $input-btn-padding-x * .75;
 
   &::after {
     margin-left: 0;
@@ -106,19 +102,19 @@
 }
 
 .btn-sm + .dropdown-toggle-split {
-  padding-right: $btn-padding-x-sm * .75;
-  padding-left: $btn-padding-x-sm * .75;
+  padding-right: $input-btn-padding-x-sm * .75;
+  padding-left: $input-btn-padding-x-sm * .75;
 }
 
 .btn-lg + .dropdown-toggle-split {
-  padding-right: $btn-padding-x-lg * .75;
-  padding-left: $btn-padding-x-lg * .75;
+  padding-right: $input-btn-padding-x-lg * .75;
+  padding-left: $input-btn-padding-x-lg * .75;
 }
 
 
 // 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.
diff --git a/assets/stylesheets/bootstrap/_buttons.scss b/assets/stylesheets/bootstrap/_buttons.scss
index e36ff0f..05c54e4 100644
--- a/assets/stylesheets/bootstrap/_buttons.scss
+++ b/assets/stylesheets/bootstrap/_buttons.scss
@@ -7,13 +7,12 @@
 .btn {
   display: inline-block;
   font-weight: $btn-font-weight;
-  line-height: $btn-line-height;
   text-align: center;
   white-space: nowrap;
   vertical-align: middle;
   user-select: none;
   border: $input-btn-border-width solid transparent;
-  @include button-size($btn-padding-y, $btn-padding-x, $font-size-base, $btn-border-radius);
+  @include button-size($input-btn-padding-y, $input-btn-padding-x, $font-size-base, $input-btn-line-height, $btn-border-radius);
   @include transition($btn-transition);
 
   // Share hover and focus styles
@@ -29,7 +28,6 @@
   // Disabled comes first so active can properly restyle
   &.disabled,
   &:disabled {
-    cursor: $cursor-disabled;
     opacity: .65;
     @include box-shadow(none);
   }
@@ -53,42 +51,42 @@ fieldset[disabled] a.btn {
 //
 
 .btn-primary {
-  @include button-variant($btn-primary-color, $btn-primary-bg, $btn-primary-border);
+  @include button-variant($btn-primary-color, $btn-primary-bg, $btn-primary-border-color);
 }
 .btn-secondary {
-  @include button-variant($btn-secondary-color, $btn-secondary-bg, $btn-secondary-border);
+  @include button-variant($btn-secondary-color, $btn-secondary-bg, $btn-secondary-border-color);
 }
 .btn-info {
-  @include button-variant($btn-info-color, $btn-info-bg, $btn-info-border);
+  @include button-variant($btn-info-color, $btn-info-bg, $btn-info-border-color);
 }
 .btn-success {
-  @include button-variant($btn-success-color, $btn-success-bg, $btn-success-border);
+  @include button-variant($btn-success-color, $btn-success-bg, $btn-success-border-color);
 }
 .btn-warning {
-  @include button-variant($btn-warning-color, $btn-warning-bg, $btn-warning-border);
+  @include button-variant($btn-warning-color, $btn-warning-bg, $btn-warning-border-color);
 }
 .btn-danger {
-  @include button-variant($btn-danger-color, $btn-danger-bg, $btn-danger-border);
+  @include button-variant($btn-danger-color, $btn-danger-bg, $btn-danger-border-color);
 }
 
 // Remove all backgrounds
 .btn-outline-primary {
-  @include button-outline-variant($btn-primary-bg);
+  @include button-outline-variant($btn-primary-bg, $btn-primary-color);
 }
 .btn-outline-secondary {
-  @include button-outline-variant($btn-secondary-border);
+  @include button-outline-variant($btn-secondary-border-color, $btn-secondary-color);
 }
 .btn-outline-info {
-  @include button-outline-variant($btn-info-bg);
+  @include button-outline-variant($btn-info-bg, $btn-info-color);
 }
 .btn-outline-success {
-  @include button-outline-variant($btn-success-bg);
+  @include button-outline-variant($btn-success-bg, $btn-success-color);
 }
 .btn-outline-warning {
-  @include button-outline-variant($btn-warning-bg);
+  @include button-outline-variant($btn-warning-bg, $btn-warning-color);
 }
 .btn-outline-danger {
-  @include button-outline-variant($btn-danger-bg);
+  @include button-outline-variant($btn-danger-bg, $btn-danger-color);
 }
 
 
@@ -137,12 +135,11 @@ 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, $btn-border-radius-lg);
+  @include button-size($input-btn-padding-y-lg, $input-btn-padding-x-lg, $font-size-lg, $line-height-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, $btn-border-radius-sm);
+  @include button-size($input-btn-padding-y-sm, $input-btn-padding-x-sm, $font-size-sm, $line-height-sm, $btn-border-radius-sm);
 }
 
 
diff --git a/assets/stylesheets/bootstrap/_card.scss b/assets/stylesheets/bootstrap/_card.scss
index 9fe70e8..7be2aaf 100644
--- a/assets/stylesheets/bootstrap/_card.scss
+++ b/assets/stylesheets/bootstrap/_card.scss
@@ -20,6 +20,7 @@
 
 .card-title {
   margin-bottom: $card-spacer-y;
+  word-break: break-all;
 }
 
 .card-subtitle {
@@ -124,7 +125,7 @@
   @include card-outline-variant($btn-primary-bg);
 }
 .card-outline-secondary {
-  @include card-outline-variant($btn-secondary-border);
+  @include card-outline-variant($btn-secondary-border-color);
 }
 .card-outline-info {
   @include card-outline-variant($btn-info-bg);
@@ -158,10 +159,6 @@
 }
 
 // Card image
-.card-img {
-  // margin: -1.325rem;
-  @include border-radius($card-border-radius-inner);
-}
 .card-img-overlay {
   position: absolute;
   top: 0;
@@ -171,13 +168,19 @@
   padding: $card-img-overlay-padding;
 }
 
-
+.card-img {
+  width: 100%; // Required because we use flexbox and this inherently applies align-self: stretch
+  @include border-radius($card-border-radius-inner);
+}
 
 // Card image caps
 .card-img-top {
+  width: 100%; // Required because we use flexbox and this inherently applies align-self: stretch
   @include border-top-radius($card-border-radius-inner);
 }
+
 .card-img-bottom {
+  width: 100%; // Required because we use flexbox and this inherently applies align-self: stretch
   @include border-bottom-radius($card-border-radius-inner);
 }
 
@@ -188,17 +191,15 @@
   .card-deck {
     display: flex;
     flex-flow: row wrap;
+    margin-right: -$card-deck-margin;
+    margin-left: -$card-deck-margin;
 
     .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; }
+      margin-right: $card-deck-margin;
+      margin-left: $card-deck-margin;
     }
   }
 }
@@ -262,15 +263,18 @@
 // Columns
 //
 
-@include media-breakpoint-up(sm) {
-  .card-columns {
+.card-columns {
+  .card {
+    margin-bottom: $card-columns-margin;
+  }
+
+  @include media-breakpoint-up(sm) {
     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: $card-columns-margin;
     }
   }
 }
diff --git a/assets/stylesheets/bootstrap/_carousel.scss b/assets/stylesheets/bootstrap/_carousel.scss
index 54478e4..41eca94 100644
--- a/assets/stylesheets/bootstrap/_carousel.scss
+++ b/assets/stylesheets/bootstrap/_carousel.scss
@@ -12,13 +12,11 @@
 .carousel-item {
   position: relative;
   display: none;
+  align-items: center;
   width: 100%;
-
-  @include if-supports-3d-transforms() {
-    @include transition($carousel-transition);
-    backface-visibility: hidden;
-    perspective: 1000px;
-  }
+  @include transition($carousel-transition);
+  backface-visibility: hidden;
+  perspective: 1000px;
 }
 
 .carousel-item.active,
@@ -34,21 +32,19 @@
 }
 
 // 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);
-  }
+.carousel-item-next.carousel-item-left,
+.carousel-item-prev.carousel-item-right {
+  transform: translate3d(0, 0, 0);
+}
 
-  .carousel-item-next,
-  .active.carousel-item-right {
-    transform: translate3d(100%, 0, 0);
-  }
+.carousel-item-next,
+.active.carousel-item-right {
+  transform: translate3d(100%, 0, 0);
+}
 
-  .carousel-item-prev,
-  .active.carousel-item-left {
-    transform: translate3d(-100%, 0, 0);
-  }
+.carousel-item-prev,
+.active.carousel-item-left {
+  transform: translate3d(-100%, 0, 0);
 }
 
 
@@ -131,7 +127,6 @@
     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.
diff --git a/assets/stylesheets/bootstrap/_close.scss b/assets/stylesheets/bootstrap/_close.scss
index 859990e..f181490 100644
--- a/assets/stylesheets/bootstrap/_close.scss
+++ b/assets/stylesheets/bootstrap/_close.scss
@@ -10,7 +10,6 @@
   @include hover-focus {
     color: $close-color;
     text-decoration: none;
-    cursor: pointer;
     opacity: .75;
   }
 }
@@ -23,7 +22,6 @@
 // scss-lint:disable QualifyingElement
 button.close {
   padding: 0;
-  cursor: pointer;
   background: transparent;
   border: 0;
   -webkit-appearance: none;
diff --git a/assets/stylesheets/bootstrap/_custom-forms.scss b/assets/stylesheets/bootstrap/_custom-forms.scss
index ef2aab3..9133f7d 100644
--- a/assets/stylesheets/bootstrap/_custom-forms.scss
+++ b/assets/stylesheets/bootstrap/_custom-forms.scss
@@ -1,4 +1,4 @@
-// scss-lint:disable PropertyCount
+// scss-lint:disable PropertyCount, VendorPrefix
 
 // Embedded icons from Open Iconic.
 // Released under MIT and copyright 2014 Waybury.
@@ -15,7 +15,6 @@
   min-height: (1rem * $line-height-base);
   padding-left: $custom-control-gutter;
   margin-right: $custom-control-spacer-x;
-  cursor: pointer;
 }
 
 .custom-control-input {
@@ -42,13 +41,11 @@
 
   &: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;
     }
   }
 }
@@ -136,7 +133,7 @@
 .custom-select {
   display: inline-block;
   max-width: 100%;
-  $select-border-width: ($border-width * 2);
+  $select-border-width: ($custom-select-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;
@@ -146,9 +143,7 @@
   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;
+  appearance: none;
 
   &:focus {
     border-color: $custom-select-focus-border-color;
@@ -168,7 +163,6 @@
 
   &:disabled {
     color: $custom-select-disabled-color;
-    cursor: $cursor-disabled;
     background-color: $custom-select-disabled-bg;
   }
 
@@ -200,7 +194,6 @@
   max-width: 100%;
   height: $custom-file-height;
   margin-bottom: 0;
-  cursor: pointer;
 }
 
 .custom-file-input {
@@ -208,7 +201,6 @@
   max-width: 100%;
   height: $custom-file-height;
   margin: 0;
-  filter: alpha(opacity = 0);
   opacity: 0;
 
   &:focus ~ .custom-file-control {
@@ -234,7 +226,7 @@
   @include box-shadow($custom-file-box-shadow);
 
   @each $lang, $text in map-get($custom-file-text, placeholder) {
-    &:lang(#{$lang})::after {
+    &:lang(#{$lang}):empty::after {
       content: $text;
     }
   }
diff --git a/assets/stylesheets/bootstrap/_dropdown.scss b/assets/stylesheets/bootstrap/_dropdown.scss
index 1c2741a..d9e75b0 100644
--- a/assets/stylesheets/bootstrap/_dropdown.scss
+++ b/assets/stylesheets/bootstrap/_dropdown.scss
@@ -18,12 +18,13 @@
     border-left: $caret-width solid transparent;
   }
 
-  // Prevent the focus on the dropdown toggle when closing dropdowns
-  &:focus {
-    outline: 0;
+  &:empty::after {
+    margin-left: 0;
   }
 }
 
+// Allow for dropdowns to go bottom up (aka, dropup-menu)
+// Just add .dropup after the standard .dropdown class and you're set.
 .dropup {
   .dropdown-toggle {
     &::after {
@@ -66,7 +67,7 @@
 .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;
@@ -91,7 +92,6 @@
   &.disabled,
   &:disabled {
     color: $dropdown-link-disabled-color;
-    cursor: $cursor-disabled;
     background-color: transparent;
     // Remove CSS gradients if they're enabled
     @if $enable-gradients {
@@ -102,29 +102,14 @@
 
 // Open state for the dropdown
 .show {
-  // Show the menu
-  > .dropdown-menu {
-    display: block;
-  }
-
   // 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
@@ -136,26 +121,3 @@
   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;
-}
-
-// Allow for dropdowns to go bottom up (aka, dropup-menu)
-//
-// Just add .dropup after the standard .dropdown class and you're set.
-
-.dropup {
-  // Different positioning for bottom up menu
-  .dropdown-menu {
-    top: auto;
-    bottom: 100%;
-    margin-bottom: $dropdown-margin-top;
-  }
-}
diff --git a/assets/stylesheets/bootstrap/_forms.scss b/assets/stylesheets/bootstrap/_forms.scss
index 7be62bd..55e8cb4 100644
--- a/assets/stylesheets/bootstrap/_forms.scss
+++ b/assets/stylesheets/bootstrap/_forms.scss
@@ -1,4 +1,4 @@
-// scss-lint:disable QualifyingElement
+// scss-lint:disable QualifyingElement, VendorPrefix
 
 //
 // Textual form controls
@@ -9,9 +9,9 @@
   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;
+  padding: $input-btn-padding-y $input-btn-padding-x;
   font-size: $font-size-base;
-  line-height: $input-line-height;
+  line-height: $input-btn-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.
@@ -58,10 +58,6 @@
     // iOS fix for unreadable disabled content; see https://github.com/twbs/bootstrap/issues/11655.
     opacity: 1;
   }
-
-  &:disabled {
-    cursor: $cursor-disabled;
-  }
 }
 
 select.form-control {
@@ -95,20 +91,20 @@ select.form-control {
 // 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);
+  padding-top: calc(#{$input-btn-padding-y} - #{$input-btn-border-width} * 2);
+  padding-bottom: calc(#{$input-btn-padding-y} - #{$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);
+  padding-top: calc(#{$input-btn-padding-y-lg} - #{$input-btn-border-width} * 2);
+  padding-bottom: calc(#{$input-btn-padding-y-lg} - #{$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);
+  padding-top: calc(#{$input-btn-padding-y-sm} - #{$input-btn-border-width} * 2);
+  padding-bottom: calc(#{$input-btn-padding-y-sm} - #{$input-btn-border-width} * 2);
   font-size: $font-size-sm;
 }
 
@@ -120,8 +116,8 @@ select.form-control {
 // 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;
+  padding-top: $input-btn-padding-y;
+  padding-bottom: $input-btn-padding-y;
   margin-bottom: 0;
   font-size: $font-size-base;
 }
@@ -133,10 +129,10 @@ select.form-control {
 // horizontal form layout.
 
 .form-control-static {
-  padding-top: $input-padding-y;
-  padding-bottom: $input-padding-y;
+  padding-top: $input-btn-padding-y;
+  padding-bottom: $input-btn-padding-y;
   margin-bottom: 0; // match inputs if this class comes on inputs with default margins
-  line-height: $input-line-height;
+  line-height: $input-btn-line-height;
   border: solid transparent;
   border-width: $input-btn-border-width 0;
 
@@ -157,26 +153,30 @@ select.form-control {
 // issue documented in https://github.com/twbs/bootstrap/issues/15074.
 
 .form-control-sm {
-  padding: $input-padding-y-sm $input-padding-x-sm;
+  padding: $input-btn-padding-y-sm $input-btn-padding-x-sm;
   font-size: $font-size-sm;
+  line-height: $input-btn-line-height-sm;
   @include border-radius($input-border-radius-sm);
 }
 
 select.form-control-sm {
   &:not([size]):not([multiple]) {
-    height: $input-height-sm;
+    $select-border-width: ($border-width * 2);
+    height: calc(#{$input-height-sm} + #{$select-border-width});
   }
 }
 
 .form-control-lg {
-  padding: $input-padding-y-lg $input-padding-x-lg;
+  padding: $input-btn-padding-y-lg $input-btn-padding-x-lg;
   font-size: $font-size-lg;
+  line-height: $input-btn-line-height-lg;
   @include border-radius($input-border-radius-lg);
 }
 
 select.form-control-lg {
   &:not([size]):not([multiple]) {
-    height: $input-height-lg;
+    $select-border-width: ($border-width * 2);
+    height: calc(#{$input-height-lg} + #{$select-border-width});
   }
 }
 
@@ -208,7 +208,6 @@ select.form-control-lg {
   &.disabled {
     .form-check-label {
       color: $text-muted;
-      cursor: $cursor-disabled;
     }
   }
 }
@@ -216,7 +215,6 @@ select.form-control-lg {
 .form-check-label {
   padding-left: $form-check-input-gutter;
   margin-bottom: 0; // Override default `<label>` bottom margin
-  cursor: pointer;
 }
 
 .form-check-input {
@@ -254,7 +252,7 @@ select.form-control-lg {
 .form-control-success,
 .form-control-warning,
 .form-control-danger {
-  padding-right: ($input-padding-x * 3);
+  padding-right: ($input-btn-padding-x * 3);
   background-repeat: no-repeat;
   background-position: center right ($input-height / 4);
   background-size: ($input-height / 2) ($input-height / 2);
diff --git a/assets/stylesheets/bootstrap/_grid.scss b/assets/stylesheets/bootstrap/_grid.scss
index 8c7a9ee..9ab9ae0 100644
--- a/assets/stylesheets/bootstrap/_grid.scss
+++ b/assets/stylesheets/bootstrap/_grid.scss
@@ -11,11 +11,12 @@
 
 // Fluid container
 //
-// Utilizes the mixin meant for fixed width containers, but without any defined
-// width for fluid, full width layouts.
+// Utilizes the mixin meant for fixed width containers, but with 100% width for
+// fluid, full width layouts.
 
 @if $enable-grid-classes {
   .container-fluid {
+    width: 100%;
     @include make-container();
   }
 }
diff --git a/assets/stylesheets/bootstrap/_images.scss b/assets/stylesheets/bootstrap/_images.scss
index a8135a6..50c5610 100644
--- a/assets/stylesheets/bootstrap/_images.scss
+++ b/assets/stylesheets/bootstrap/_images.scss
@@ -33,7 +33,7 @@
 }
 
 .figure-img {
-  margin-bottom: ($spacer-y / 2);
+  margin-bottom: ($spacer / 2);
   line-height: 1;
 }
 
diff --git a/assets/stylesheets/bootstrap/_input-group.scss b/assets/stylesheets/bootstrap/_input-group.scss
index ab44883..0b668bf 100644
--- a/assets/stylesheets/bootstrap/_input-group.scss
+++ b/assets/stylesheets/bootstrap/_input-group.scss
@@ -30,8 +30,7 @@
 .input-group .form-control {
   // Vertically centers the content of the addons within the input group
   display: flex;
-  flex-direction: column;
-  justify-content: center;
+  align-items: center;
 
   &:not(:first-child):not(:last-child) {
     @include border-radius(0);
@@ -67,11 +66,11 @@
 //
 
 .input-group-addon {
-  padding: $input-padding-y $input-padding-x;
+  padding: $input-btn-padding-y $input-btn-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;
+  line-height: $input-btn-line-height;
   color: $input-color;
   text-align: center;
   background-color: $input-group-addon-bg;
@@ -80,12 +79,13 @@
 
   // Sizing
   &.form-control-sm {
-    padding: $input-padding-y-sm $input-padding-x-sm;
+    padding: $input-btn-padding-y-sm $input-btn-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;
+    padding: $input-btn-padding-y-lg $input-btn-padding-x-lg;
     font-size: $font-size-lg;
     @include border-radius($input-border-radius-lg);
   }
@@ -144,8 +144,6 @@
   // element above the siblings.
   > .btn {
     position: relative;
-    // Vertically stretch the button and center its content
-    flex: 1;
 
     + .btn {
       margin-left: (-$input-btn-border-width);
diff --git a/assets/stylesheets/bootstrap/_jumbotron.scss b/assets/stylesheets/bootstrap/_jumbotron.scss
index b12d465..7966bba 100644
--- a/assets/stylesheets/bootstrap/_jumbotron.scss
+++ b/assets/stylesheets/bootstrap/_jumbotron.scss
@@ -9,10 +9,6 @@
   }
 }
 
-.jumbotron-hr {
-  border-top-color: darken($jumbotron-bg, 10%);
-}
-
 .jumbotron-fluid {
   padding-right: 0;
   padding-left: 0;
diff --git a/assets/stylesheets/bootstrap/_list-group.scss b/assets/stylesheets/bootstrap/_list-group.scss
index ec813c8..fef2c15 100644
--- a/assets/stylesheets/bootstrap/_list-group.scss
+++ b/assets/stylesheets/bootstrap/_list-group.scss
@@ -22,10 +22,6 @@
   color: $list-group-link-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;
@@ -46,9 +42,7 @@
 
 .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;
@@ -71,16 +65,7 @@
   &.disabled,
   &:disabled {
     color: $list-group-disabled-color;
-    cursor: $cursor-disabled;
     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
@@ -88,18 +73,7 @@
     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;
-
-    // Force color to inherit for custom content
-    .list-group-item-heading,
-    .list-group-item-heading > small,
-    .list-group-item-heading > .small {
-      color: inherit;
-    }
-
-    .list-group-item-text {
-      color: $list-group-active-text-color;
-    }
+    border-color: $list-group-active-border-color;
   }
 }
 
diff --git a/assets/stylesheets/bootstrap/_mixins.scss b/assets/stylesheets/bootstrap/_mixins.scss
index da47382..cc3394f 100644
--- a/assets/stylesheets/bootstrap/_mixins.scss
+++ b/assets/stylesheets/bootstrap/_mixins.scss
@@ -2,22 +2,6 @@
 //
 // Used in conjunction with global variables to enable certain theme features.
 
-@mixin box-shadow($shadow...) {
-  @if $enable-shadows {
-    box-shadow: $shadow;
-  }
-}
-
-@mixin transition($transition...) {
-  @if $enable-transitions {
-    @if length($transition) == 0 {
-      transition: $transition-base;
-    } @else {
-      transition: $transition;
-    }
-  }
-}
-
 // Utilities
 @import "mixins/breakpoints";
 @import "mixins/hover";
@@ -30,7 +14,6 @@
 @import "mixins/text-emphasis";
 @import "mixins/text-hide";
 @import "mixins/text-truncate";
-@import "mixins/transforms";
 @import "mixins/visibility";
 
 // // Components
@@ -47,7 +30,9 @@
 // // Skins
 @import "mixins/background-variant";
 @import "mixins/border-radius";
+@import "mixins/box-shadow";
 @import "mixins/gradients";
+@import "mixins/transition";
 
 // // Layout
 @import "mixins/clearfix";
diff --git a/assets/stylesheets/bootstrap/_nav.scss b/assets/stylesheets/bootstrap/_nav.scss
index eb316bb..973679e 100644
--- a/assets/stylesheets/bootstrap/_nav.scss
+++ b/assets/stylesheets/bootstrap/_nav.scss
@@ -5,6 +5,7 @@
 
 .nav {
   display: flex;
+  flex-wrap: wrap;
   padding-left: 0;
   margin-bottom: 0;
   list-style: none;
@@ -12,20 +13,18 @@
 
 .nav-link {
   display: block;
-  padding: $nav-link-padding;
+  padding: $nav-link-padding-y $nav-link-padding-x;
 
   @include hover-focus {
     text-decoration: none;
   }
 
-  // Disabled state lightens text and removes hover/tab effects
+  // Disabled state lightens text
   &.disabled {
     color: $nav-disabled-link-color;
-    cursor: $cursor-disabled;
   }
 }
 
-
 //
 // Tabs
 //
@@ -54,9 +53,9 @@
 
   .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-active-link-color;
+    background-color: $nav-tabs-active-link-bg;
+    border-color: $nav-tabs-active-link-border-color $nav-tabs-active-link-border-color $nav-tabs-active-link-bg;
   }
 
   .dropdown-menu {
@@ -75,13 +74,12 @@
 .nav-pills {
   .nav-link {
     @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;
+    &.active,
+    .show & {
+      color: $nav-pills-active-link-color;
+      background-color: $nav-pills-active-link-bg;
+    }
   }
 }
 
@@ -99,7 +97,8 @@
 
 .nav-justified {
   .nav-item {
-    flex: 1 1 100%;
+    flex-basis: 0;
+    flex-grow: 1;
     text-align: center;
   }
 }
diff --git a/assets/stylesheets/bootstrap/_navbar.scss b/assets/stylesheets/bootstrap/_navbar.scss
index 80beec8..59cc52d 100644
--- a/assets/stylesheets/bootstrap/_navbar.scss
+++ b/assets/stylesheets/bootstrap/_navbar.scss
@@ -18,8 +18,26 @@
 .navbar {
   position: relative;
   display: flex;
-  flex-direction: column;
+  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: $navbar-padding-y $navbar-padding-x;
+
+  // Because flex properties aren't inherited, we need to redeclare these first
+  // few properities so that content nested within behave properly.
+  > .container,
+  > .container-fluid {
+    display: flex;
+    flex-wrap: wrap;
+    align-items: center;
+    justify-content: space-between;
+
+    @include media-breakpoint-down(nth(map-keys($grid-breakpoints), 1)) {
+      width: 100%; // prevent flex parent container from collapsing
+      margin-right: 0;
+      margin-left: 0;
+    }
+  }
 }
 
 
@@ -29,10 +47,10 @@
 
 .navbar-brand {
   display: inline-block;
-  padding-top: .25rem;
-  padding-bottom: .25rem;
+  padding-top: $navbar-brand-padding-y;
+  padding-bottom: $navbar-brand-padding-y;
   margin-right: $navbar-padding-x;
-  font-size: $font-size-lg;
+  font-size: $navbar-brand-font-size;
   line-height: inherit;
   white-space: nowrap;
 
@@ -57,6 +75,12 @@
     padding-right: 0;
     padding-left: 0;
   }
+
+  .dropdown-menu {
+    position: static !important;
+    float: none;
+    transform: unset !important;
+  }
 }
 
 
@@ -66,8 +90,8 @@
 
 .navbar-text {
   display: inline-block;
-  padding-top:    .425rem;
-  padding-bottom: .425rem;
+  padding-top: $nav-link-padding-y;
+  padding-bottom: $nav-link-padding-y;
 }
 
 
@@ -76,9 +100,15 @@
 // 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 orienation. Requires the use of `flex-wrap: wrap`
+// on the `.navbar` parent.
+.navbar-collapse {
+  flex-basis: 100%;
+}
+
 // 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;
   line-height: 1;
@@ -103,34 +133,17 @@
   background-size: 100% 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;
-}
-
-// Generate series of `.navbar-toggleable-*` responsive classes for configuring
+// 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);
 
     &#{$infix} {
       @include media-breakpoint-down($breakpoint) {
-        .navbar-nav {
-          .dropdown-menu {
-            position: static;
-            float: none;
-          }
-        }
-
-        > .container {
+        > .container,
+        > .container-fluid {
           padding-right: 0;
           padding-left: 0;
         }
@@ -139,11 +152,16 @@
       @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 !important;
+            top: 100% !important;
+          }
+
           .nav-link {
             padding-right: .5rem;
             padding-left: .5rem;
@@ -151,16 +169,14 @@
         }
 
         // For nesting containers, have to redeclare for alignment purposes
-        > .container {
-          display: flex;
+        > .container,
+        > .container-fluid {
           flex-wrap: nowrap;
-          align-items: center;
         }
 
         // scss-lint:disable ImportantRule
         .navbar-collapse {
           display: flex !important;
-          width: 100%;
         }
         // scss-lint:enable ImportantRule
 
@@ -179,8 +195,7 @@
 
 // Dark links against a light background
 .navbar-light {
-  .navbar-brand,
-  .navbar-toggler {
+  .navbar-brand {
     color: $navbar-light-active-color;
 
     @include hover-focus {
@@ -201,20 +216,21 @@
       }
     }
 
-    .open > .nav-link,
+    .show > .nav-link,
     .active > .nav-link,
-    .nav-link.open,
+    .nav-link.show,
     .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: $navbar-light-toggler-icon-bg;
   }
 
   .navbar-text {
@@ -224,8 +240,7 @@
 
 // White links against a dark background
 .navbar-inverse {
-  .navbar-brand,
-  .navbar-toggler {
+  .navbar-brand {
     color: $navbar-inverse-active-color;
 
     @include hover-focus {
@@ -246,20 +261,21 @@
       }
     }
 
-    .open > .nav-link,
+    .show > .nav-link,
     .active > .nav-link,
-    .nav-link.open,
+    .nav-link.show,
     .nav-link.active {
       color: $navbar-inverse-active-color;
     }
   }
 
   .navbar-toggler {
-    border-color: $navbar-inverse-toggler-border;
+    color: $navbar-inverse-color;
+    border-color: $navbar-inverse-toggler-border-color;
   }
 
   .navbar-toggler-icon {
-    background-image: $navbar-inverse-toggler-bg;
+    background-image: $navbar-inverse-toggler-icon-bg;
   }
 
   .navbar-text {
diff --git a/assets/stylesheets/bootstrap/_normalize.scss b/assets/stylesheets/bootstrap/_normalize.scss
deleted file mode 100644
index 6bafd53..0000000
--- a/assets/stylesheets/bootstrap/_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/assets/stylesheets/bootstrap/_pagination.scss b/assets/stylesheets/bootstrap/_pagination.scss
index 24aa028..a049299 100644
--- a/assets/stylesheets/bootstrap/_pagination.scss
+++ b/assets/stylesheets/bootstrap/_pagination.scss
@@ -23,15 +23,14 @@
     z-index: 2;
     color: $pagination-active-color;
     background-color: $pagination-active-bg;
-    border-color: $pagination-active-border;
+    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;
+    border-color: $pagination-disabled-border-color;
   }
 }
 
@@ -49,7 +48,7 @@
     color: $pagination-hover-color;
     text-decoration: none;
     background-color: $pagination-hover-bg;
-    border-color: $pagination-hover-border;
+    border-color: $pagination-hover-border-color;
   }
 }
 
diff --git a/assets/stylesheets/bootstrap/_popover.scss b/assets/stylesheets/bootstrap/_popover.scss
index 1b63634..e3a0d9d 100644
--- a/assets/stylesheets/bootstrap/_popover.scss
+++ b/assets/stylesheets/bootstrap/_popover.scss
@@ -18,75 +18,106 @@
   @include border-radius($border-radius-lg);
   @include box-shadow($popover-box-shadow);
 
+  // Arrows
+  //
+  // .arrow is outer, .arrow::after is inner
+
+  .arrow {
+    position: absolute;
+    display: block;
+    width: $popover-arrow-width;
+    height: $popover-arrow-height;
+  }
+
+  .arrow::before,
+  .arrow::after {
+    position: absolute;
+    display: block;
+    border-color: transparent;
+    border-style: solid;
+  }
+
+  .arrow::before {
+    content: "";
+    border-width: $popover-arrow-outer-width;
+  }
+  .arrow::after {
+    content: "";
+    border-width: $popover-arrow-outer-width;
+  }
 
   // Popover directions
 
-  &.popover-top,
-  &.bs-tether-element-attached-bottom {
-    margin-top: -$popover-arrow-width;
+  &.bs-popover-top {
+    margin-bottom: $popover-arrow-width;
 
-    &::before,
-    &::after {
-      left: 50%;
+    .arrow {
+      bottom: 0;
+    }
+
+    .arrow::before,
+    .arrow::after {
       border-bottom-width: 0;
     }
 
-    &::before {
+    .arrow::before {
       bottom: -$popover-arrow-outer-width;
-      margin-left: -$popover-arrow-outer-width;
+      margin-left: -($popover-arrow-outer-width - 5);
       border-top-color: $popover-arrow-outer-color;
     }
 
-    &::after {
+    .arrow::after {
       bottom: -($popover-arrow-outer-width - 1);
-      margin-left: -$popover-arrow-width;
+      margin-left: -($popover-arrow-outer-width - 5);
       border-top-color: $popover-arrow-color;
     }
   }
 
-  &.popover-right,
-  &.bs-tether-element-attached-left {
+  &.bs-popover-right {
     margin-left: $popover-arrow-width;
 
-    &::before,
-    &::after {
-      top: 50%;
+    .arrow {
+      left: 0;
+    }
+
+    .arrow::before,
+    .arrow::after {
+      margin-top: -($popover-arrow-outer-width - 3);
       border-left-width: 0;
     }
 
-    &::before {
+    .arrow::before {
       left: -$popover-arrow-outer-width;
-      margin-top: -$popover-arrow-outer-width;
       border-right-color: $popover-arrow-outer-color;
     }
 
-    &::after {
+    .arrow::after {
       left: -($popover-arrow-outer-width - 1);
-      margin-top: -($popover-arrow-outer-width - 1);
       border-right-color: $popover-arrow-color;
     }
   }
 
-  &.popover-bottom,
-  &.bs-tether-element-attached-top {
+  &.bs-popover-bottom {
     margin-top: $popover-arrow-width;
 
-    &::before,
-    &::after {
-      left: 50%;
+    .arrow {
+      top: 0;
+    }
+
+    .arrow::before,
+    .arrow::after {
+      margin-left: -($popover-arrow-width - 3);
       border-top-width: 0;
     }
 
-    &::before {
+    .arrow::before {
       top: -$popover-arrow-outer-width;
-      margin-left: -$popover-arrow-outer-width;
       border-bottom-color: $popover-arrow-outer-color;
     }
 
-    &::after {
+    .arrow::after {
       top: -($popover-arrow-outer-width - 1);
-      margin-left: -$popover-arrow-width;
-      border-bottom-color: $popover-title-bg;
+      border-bottom-color: $popover-arrow-color;
     }
 
     // This will remove the popover-title's border just below the arrow
@@ -102,28 +133,43 @@
     }
   }
 
-  &.popover-left,
-  &.bs-tether-element-attached-right {
-    margin-left: -$popover-arrow-width;
+  &.bs-popover-left {
+    margin-right: $popover-arrow-width;
 
-    &::before,
-    &::after {
-      top: 50%;
+    .arrow {
+      right: 0;
+    }
+
+    .arrow::before,
+    .arrow::after {
+      margin-top: -($popover-arrow-outer-width - 3);
       border-right-width: 0;
     }
 
-    &::before {
+    .arrow::before {
       right: -$popover-arrow-outer-width;
-      margin-top: -$popover-arrow-outer-width;
       border-left-color: $popover-arrow-outer-color;
     }
 
-    &::after {
+    .arrow::after {
       right: -($popover-arrow-outer-width - 1);
-      margin-top: -($popover-arrow-outer-width - 1);
       border-left-color: $popover-arrow-color;
     }
   }
+  &.bs-popover-auto {
+    &[x-placement^="top"] {
+      @extend .bs-popover-top;
+    }
+    &[x-placement^="right"] {
+      @extend .bs-popover-right;
+    }
+    &[x-placement^="bottom"] {
+      @extend .bs-popover-bottom;
+    }
+    &[x-placement^="left"] {
+      @extend .bs-popover-left;
+    }
+  }
 }
 
 
@@ -132,6 +178,7 @@
   padding: $popover-title-padding-y $popover-title-padding-x;
   margin-bottom: 0; // Reset the default from Reboot
   font-size: $font-size-base;
+  color: $popover-title-color;
   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});
@@ -144,28 +191,5 @@
 
 .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;
+  color: $popover-content-color;
 }
diff --git a/assets/stylesheets/bootstrap/_progress.scss b/assets/stylesheets/bootstrap/_progress.scss
index 02e4c3b..f7491a6 100644
--- a/assets/stylesheets/bootstrap/_progress.scss
+++ b/assets/stylesheets/bootstrap/_progress.scss
@@ -1,10 +1,8 @@
-// Progress animations
 @keyframes progress-bar-stripes {
   from { background-position: $progress-height 0; }
   to { background-position: 0 0; }
 }
 
-// Basic progress bar
 .progress {
   display: flex;
   overflow: hidden; // force rounded corners by cropping it
@@ -13,20 +11,22 @@
   text-align: center;
   background-color: $progress-bg;
   @include border-radius($progress-border-radius);
+  @include box-shadow($progress-box-shadow);
 }
+
 .progress-bar {
   height: $progress-height;
+  line-height: $progress-height;
   color: $progress-bar-color;
   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;
 }
diff --git a/assets/stylesheets/bootstrap/_reboot.scss b/assets/stylesheets/bootstrap/_reboot.scss
index 557829f..33fc2d6 100644
--- a/assets/stylesheets/bootstrap/_reboot.scss
+++ b/assets/stylesheets/bootstrap/_reboot.scss
@@ -1,86 +1,62 @@
-// scss-lint:disable QualifyingElement, DuplicateProperty
+// scss-lint:disable QualifyingElement, DuplicateProperty, VendorPrefix
 
 // 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/
+// 1. Change from `box-sizing: content-box` so that `width` is not affected by `padding` or `border`.
+// 2. Change the default font family in all browsers.
+// 3. Correct the line height in all browsers.
+// 4. Prevent adjustments of font size after orientation changes in IE on Windows Phone and in iOS.
+// 5. Setting @viewport causes scrollbars to overlap content in IE11 and Edge, so
+//    we force a non-overlapping, non-auto-hiding scrollbar to counteract.
+// 6. Change the default tap highlight to be completely transparent in iOS.
 
 html {
-  box-sizing: border-box;
+  box-sizing: border-box; // 1
+  font-family: sans-serif; // 2
+  line-height: 1.15; // 3
+  -webkit-text-size-adjust: 100%; // 4
+  -ms-text-size-adjust: 100%; // 4
+  -ms-overflow-style: scrollbar; // 5
+  -webkit-tap-highlight-color: rgba(0,0,0,0); // 6
 }
 
 *,
 *::before,
 *::after {
-  box-sizing: inherit;
+  box-sizing: inherit; // 1
 }
 
-
-// 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.
-//
-// 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"; }`).
+// IE10+ doesn't honor `<meta name="viewport">` in some cases.
 @at-root {
   @-ms-viewport { width: device-width; }
 }
 
+// Shim for "new" HTML5 structural elements to display correctly (IE10, older browsers)
+article, aside, dialog, figcaption, figure, footer, header, hgroup, main, nav, section {
+  display: block;
+}
 
+// Body
 //
-// 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.
-
-  // 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);
-}
+// 1. Remove the margin in all browsers.
+// 2. As a best practice, apply a default `background-color`.
 
 body {
+  margin: 0; // 1
   font-family: $font-family-base;
   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;
+  background-color: $body-bg; // 2
 }
 
 // Suppress the focus outline on elements that cannot be accessed via keyboard.
@@ -93,6 +69,18 @@ body {
 }
 
 
+// Content grouping
+//
+// 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
+}
+
+
 //
 // Typography
 //
@@ -116,10 +104,18 @@ p {
 }
 
 // Abbreviations
+//
+// 1. Remove the bottom border in Firefox 39-.
+// 2. Add the correct text decoration in Chrome, Edge, IE, Opera, and Safari.
+// 3. Add explicit cursor to indicate changed behavior.
+// 4. Duplicate behavior to the data-* attribute for our tooltip plugin
+
 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-original-title] { // 4
+  text-decoration: underline; // 2
+  text-decoration: underline dotted; // 2
+  cursor: help; // 3
+  border-bottom: 0; // 1
 }
 
 address {
@@ -155,6 +151,35 @@ blockquote {
   margin: 0 0 1rem;
 }
 
+dfn {
+  font-style: italic; // Add the correct font style in Android 4.3-
+}
+
+b,
+strong {
+  font-weight: bolder; // Add the correct font weight in Chrome, Edge, and Safari
+}
+
+small {
+  font-size: 80%; // Add the correct font size in all browsers
+}
+
+//
+// Prevent `sub` and `sup` elements from affecting the line height in
+// all browsers.
+//
+
+sub,
+sup {
+  position: relative;
+  font-size: 75%;
+  line-height: 0;
+  vertical-align: baseline;
+}
+
+sub { bottom: -.25em; }
+sup { top: -.5em; }
+
 
 //
 // Links
@@ -163,8 +188,10 @@ blockquote {
 a {
   color: $link-color;
   text-decoration: $link-decoration;
+  background-color: transparent; // Remove the gray background on active links in IE 10.
+  -webkit-text-decoration-skip: objects; // Remove gaps in links underline in iOS 8+ and Safari 8+.
 
-  @include hover-focus {
+  @include hover {
     color: $link-hover-color;
     text-decoration: $link-hover-decoration;
   }
@@ -195,12 +222,20 @@ a:not([href]):not([tabindex]) {
 // Code
 //
 
+pre,
+code,
+kbd,
+samp {
+  font-family: monospace, monospace; // Correct the inheritance and scaling of font size in all browsers.
+  font-size: 1em; // Correct the odd `em` font sizing in all browsers.
+}
+
 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
+  // Don't allow content to break outside
   overflow: auto;
 }
 
@@ -210,33 +245,22 @@ pre {
 //
 
 figure {
-  // Normalize adds `margin` to `figure`s as browsers apply it inconsistently.
-  // We reset that to create a better flow in-page.
+  // Apply a consistent margin strategy (matches our type styles).
   margin: 0 0 1rem;
 }
 
 
 //
-// Images
+// Images and content
 //
 
 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.
+  border-style: none; // Remove the border on images inside links in IE 10-.
 }
 
-
-// iOS "clickable elements" fix for role="button"
-//
-// 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
-
-[role="button"] {
-  cursor: pointer;
+svg:not(:root) {
+  overflow: hidden; // Hide the overflow in IE
 }
 
 
@@ -268,10 +292,7 @@ textarea {
 //
 
 table {
-  // No longer part of Normalize since v4
-  border-collapse: collapse;
-  // Reset for nesting within parents with `background-color`.
-  background-color: $table-bg;
+  border-collapse: collapse; // Prevent double borders
 }
 
 caption {
@@ -283,7 +304,7 @@ caption {
 }
 
 th {
-  // Centered by default, but left-align-ed to match the `td`s below.
+  // Matches default `<td>` alignment
   text-align: left;
 }
 
@@ -310,20 +331,47 @@ button:focus {
 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; // Remove the margin in Firefox and Safari
+  font-family: inherit;
+  font-size: inherit;
   line-height: inherit;
 }
 
+button,
+input {
+  overflow: visible; // Show the overflow in Edge
+}
+
+button,
+select {
+  text-transform: none; // Remove the inheritance of text transform in Firefox
+}
+
+// 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 inner border and padding from Firefox, but don't restore the outline like Normalize.
+button::-moz-focus-inner,
+[type="button"]::-moz-focus-inner,
+[type="reset"]::-moz-focus-inner,
+[type="submit"]::-moz-focus-inner {
+  padding: 0;
+  border-style: none;
+}
+
 input[type="radio"],
 input[type="checkbox"] {
-  // Apply a disabled cursor for radios and checkboxes.
-  //
-  // Note: Neither radios nor checkboxes can be readonly.
-  &:disabled {
-    cursor: $cursor-disabled;
-  }
+  box-sizing: border-box; // 1. Add the correct box sizing in IE 10-
+  padding: 0; // 2. Remove the padding in IE 10-
 }
 
 
@@ -340,6 +388,7 @@ input[type="month"] {
 }
 
 textarea {
+  overflow: auto; // Remove the default vertical scrollbar in IE.
   // Textareas should really only resize vertically so they don't break their (horizontal) containers.
   resize: vertical;
 }
@@ -357,33 +406,76 @@ fieldset {
   border: 0;
 }
 
+// 1. Correct the text wrapping in Edge and IE.
+// 2. Correct the color inheritance from `fieldset` elements in IE.
 legend {
-  // Reset the entire legend element to match the `fieldset`
   display: block;
   width: 100%;
+  max-width: 100%; // 1
   padding: 0;
   margin-bottom: .5rem;
   font-size: 1.5rem;
   line-height: inherit;
+  color: inherit; // 2
+  white-space: normal; // 1
+}
+
+progress {
+  vertical-align: baseline; // Add the correct vertical alignment in Chrome, Firefox, and Opera.
+}
+
+// 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;
 }
 
-input[type="search"] {
+[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.
+  outline-offset: -2px; // 2. Correct the outline style in Safari.
+  -webkit-appearance: none;
+}
+
+//
+// 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;
 }
 
-// todo: needed?
+//
+// 1. Correct the inability to style clickable types in iOS and Safari.
+// 2. Change font properties to `inherit` in Safari.
+//
+
+::-webkit-file-upload-button {
+  font: inherit; // 2
+  -webkit-appearance: button; // 1
+}
+
+//
+// Correct element displays
+//
+
 output {
   display: inline-block;
-//  font-size: $font-size-base;
-//  line-height: $line-height;
-//  color: $input-color;
+}
+
+summary {
+  display: list-item; // Add the correct display in all browsers
+}
+
+template {
+  display: none; // Add the correct display in IE
 }
 
 // Always hide an element with the `hidden` HTML attribute (from PureCSS).
+// Needed for proper display in IE 10-.
 [hidden] {
   display: none !important;
 }
diff --git a/assets/stylesheets/bootstrap/_tables.scss b/assets/stylesheets/bootstrap/_tables.scss
index 47be2c5..36c3dab 100644
--- a/assets/stylesheets/bootstrap/_tables.scss
+++ b/assets/stylesheets/bootstrap/_tables.scss
@@ -6,6 +6,7 @@
   width: 100%;
   max-width: 100%;
   margin-bottom: $spacer;
+  background-color: $table-bg; // Reset for nesting within parents with `background-color`.
 
   th,
   td {
@@ -124,14 +125,27 @@
   th,
   td,
   thead th {
-    border-color: $body-bg;
+    border-color: $table-inverse-border-color;
   }
 
   &.table-bordered {
     border: 0;
   }
-}
 
+  &.table-striped {
+    tbody tr:nth-of-type(odd) {
+      background-color: $table-inverse-bg-accent;
+    }
+  }
+
+  &.table-hover {
+    tbody tr {
+      @include hover {
+        background-color: $table-inverse-bg-hover;
+      }
+    }
+  }
+}
 
 
 // Responsive tables
@@ -141,13 +155,15 @@
 // will display normally.
 
 .table-responsive {
-  display: block;
-  width: 100%;
-  overflow-x: auto;
-  -ms-overflow-style: -ms-autohiding-scrollbar; // See https://github.com/twbs/bootstrap/pull/10057
-
-  // Prevent double border on horizontal scroll due to use of `display: block;`
-  &.table-bordered {
-    border: 0;
+  @include media-breakpoint-down(md) {
+    display: block;
+    width: 100%;
+    overflow-x: auto;
+    -ms-overflow-style: -ms-autohiding-scrollbar; // See https://github.com/twbs/bootstrap/pull/10057
+
+    // Prevent double border on horizontal scroll due to use of `display: block;`
+    &.table-bordered {
+      border: 0;
+    }
   }
 }
diff --git a/assets/stylesheets/bootstrap/_tooltip.scss b/assets/stylesheets/bootstrap/_tooltip.scss
index 24e198d..fe97fbb 100644
--- a/assets/stylesheets/bootstrap/_tooltip.scss
+++ b/assets/stylesheets/bootstrap/_tooltip.scss
@@ -3,6 +3,7 @@
   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();
@@ -13,62 +14,86 @@
 
   &.show { opacity: $tooltip-opacity; }
 
-  &.tooltip-top,
-  &.bs-tether-element-attached-bottom {
-    padding: $tooltip-arrow-width 0;
-    margin-top: -$tooltip-margin;
+  .arrow {
+    position: absolute;
+    display: block;
+    width: $tooltip-arrow-width;
+    height: $tooltip-arrow-height;
+  }
 
-    .tooltip-inner::before {
+  &.bs-tooltip-top {
+    padding: $tooltip-arrow-width 0;
+    .arrow {
       bottom: 0;
-      left: 50%;
-      margin-left: -$tooltip-arrow-width;
+    }
+
+    .arrow::before {
+      margin-left: -($tooltip-arrow-width - 2);
       content: "";
       border-width: $tooltip-arrow-width $tooltip-arrow-width 0;
       border-top-color: $tooltip-arrow-color;
     }
   }
-  &.tooltip-right,
-  &.bs-tether-element-attached-left {
+  &.bs-tooltip-right {
     padding: 0 $tooltip-arrow-width;
-    margin-left: $tooltip-margin;
-
-    .tooltip-inner::before {
-      top: 50%;
+    .arrow {
       left: 0;
-      margin-top: -$tooltip-arrow-width;
+    }
+
+    .arrow::before {
+      margin-top: -($tooltip-arrow-width - 2);
       content: "";
       border-width: $tooltip-arrow-width $tooltip-arrow-width $tooltip-arrow-width 0;
       border-right-color: $tooltip-arrow-color;
     }
   }
-  &.tooltip-bottom,
-  &.bs-tether-element-attached-top {
+  &.bs-tooltip-bottom {
     padding: $tooltip-arrow-width 0;
-    margin-top: $tooltip-margin;
-
-    .tooltip-inner::before {
+    .arrow {
       top: 0;
-      left: 50%;
-      margin-left: -$tooltip-arrow-width;
+    }
+
+    .arrow::before {
+      margin-left: -($tooltip-arrow-width - 2);
       content: "";
       border-width: 0 $tooltip-arrow-width $tooltip-arrow-width;
       border-bottom-color: $tooltip-arrow-color;
     }
   }
-  &.tooltip-left,
-  &.bs-tether-element-attached-right {
+  &.bs-tooltip-left {
     padding: 0 $tooltip-arrow-width;
-    margin-left: -$tooltip-margin;
+    .arrow {
+      right: 0;
+    }
 
-    .tooltip-inner::before {
-      top: 50%;
+    .arrow::before {
       right: 0;
-      margin-top: -$tooltip-arrow-width;
+      margin-top: -($tooltip-arrow-width - 2);
       content: "";
       border-width: $tooltip-arrow-width 0 $tooltip-arrow-width $tooltip-arrow-width;
       border-left-color: $tooltip-arrow-color;
     }
   }
+  &.bs-tooltip-auto {
+    &[x-placement^="top"] {
+      @extend .bs-tooltip-top;
+    }
+    &[x-placement^="right"] {
+      @extend .bs-tooltip-right;
+    }
+    &[x-placement^="bottom"] {
+      @extend .bs-tooltip-bottom;
+    }
+    &[x-placement^="left"] {
+      @extend .bs-tooltip-left;
+    }
+  }
+
+  .arrow::before {
+    position: absolute;
+    border-color: transparent;
+    border-style: solid;
+  }
 }
 
 // Wrapper for the tooltip content
@@ -79,12 +104,4 @@
   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;
-  }
 }
diff --git a/assets/stylesheets/bootstrap/_type.scss b/assets/stylesheets/bootstrap/_type.scss
index 13a64b0..fc9c791 100644
--- a/assets/stylesheets/bootstrap/_type.scss
+++ b/assets/stylesheets/bootstrap/_type.scss
@@ -51,8 +51,8 @@ h6, .h6 { font-size: $font-size-h6; }
 //
 
 hr {
-  margin-top: $spacer-y;
-  margin-bottom: $spacer-y;
+  margin-top: 1rem;
+  margin-bottom: 1rem;
   border: 0;
   border-top: $hr-border-width solid $hr-border-color;
 }
diff --git a/assets/stylesheets/bootstrap/_variables.scss b/assets/stylesheets/bootstrap/_variables.scss
index 36dc429..20826e8 100644
--- a/assets/stylesheets/bootstrap/_variables.scss
+++ b/assets/stylesheets/bootstrap/_variables.scss
@@ -21,8 +21,8 @@
 // Forms
 // Dropdowns
 // Z-index master list
-// Navbar
 // Navs
+// Navbar
 // Pagination
 // Jumbotron
 // Form states and alerts
@@ -138,36 +138,15 @@ $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: $spacer !default;
+$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: (
@@ -183,9 +162,6 @@ $sizes: (
 
 $body-bg:       $white !default;
 $body-color:    $gray-dark !default;
-$inverse-bg:    $gray-dark !default;
-$inverse-color: $gray-lighter !default;
-
 
 // Links
 //
@@ -240,12 +216,35 @@ $grid-gutter-widths: (
   xl: $grid-gutter-width-base
 ) !default;
 
+
+// Components
+//
+// Define common padding and border radius sizes and more.
+
+$line-height-lg:         1.5 !default;
+$line-height-sm:         1.5 !default;
+
+$border-width: 1px !default;
+
+$border-radius:          .25rem !default;
+$border-radius-lg:       .3rem !default;
+$border-radius-sm:       .2rem !default;
+
+$component-active-color: $white !default;
+$component-active-bg:    $brand-primary !default;
+
+$caret-width:            .3em !default;
+
+$transition-base:        all .2s ease-in-out !default;
+$transition-fade:        opacity .15s linear !default;
+$transition-collapse:    height .35s ease !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-sans-serif: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif !default;
 $font-family-monospace:  Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace !default;
 $font-family-base:       $font-family-sans-serif !default;
 
@@ -291,8 +290,6 @@ $small-font-size: 80% !default;
 
 $text-muted: $gray-light !default;
 
-$abbr-border-color: $gray-light !default;
-
 $blockquote-small-color:  $gray-light !default;
 $blockquote-font-size:    ($font-size-base * 1.25) !default;
 $blockquote-border-color: $gray-lighter !default;
@@ -311,27 +308,6 @@ $nested-kbd-font-weight: $font-weight-bold !default;
 $list-inline-padding: 5px !default;
 
 
-// Components
-//
-// Define common padding and border radius sizes and more.
-
-$line-height-lg:         (4 / 3) !default;
-$line-height-sm:         1.5 !default;
-
-$border-radius:          .25rem !default;
-$border-radius-lg:       .3rem !default;
-$border-radius-sm:       .2rem !default;
-
-$component-active-color: $white !default;
-$component-active-bg:    $brand-primary !default;
-
-$caret-width:            .3em !default;
-
-$transition-base:        all .2s ease-in-out !default;
-$transition-fade:        opacity .15s linear !default;
-$transition-collapse:    height .35s ease !default;
-
-
 // Tables
 //
 // Customizes the `.table` component with basic values, each used across all table variations.
@@ -340,28 +316,39 @@ $table-cell-padding:            .75rem !default;
 $table-sm-cell-padding:         .3rem !default;
 
 $table-bg:                      transparent !default;
-
-$table-inverse-bg:              $gray-dark !default;
-$table-inverse-color:           $body-bg !default;
-
 $table-bg-accent:               rgba($black,.05) !default;
 $table-bg-hover:                rgba($black,.075) !default;
 $table-bg-active:               $table-bg-hover !default;
 
+$table-border-width:            $border-width !default;
+$table-border-color:            $gray-lighter !default;
+
 $table-head-bg:                 $gray-lighter !default;
 $table-head-color:              $gray !default;
 
-$table-border-width:            $border-width !default;
-$table-border-color:            $gray-lighter !default;
+$table-inverse-bg:              $gray-dark !default;
+$table-inverse-bg-accent:       rgba($white, .05) !default;
+$table-inverse-bg-hover:        rgba($white, .075) !default;
+$table-inverse-border-color:    lighten($gray-dark, 7.5%) !default;
+$table-inverse-color:           $body-bg !default;
 
 
 // Buttons
 //
 // For each of Bootstrap's buttons, define text, background and border color.
 
-$btn-padding-x:                  1rem !default;
-$btn-padding-y:                  .5rem !default;
-$btn-line-height:                1.25 !default;
+$input-btn-padding-y:       .5rem !default;
+$input-btn-padding-x:       1rem !default;
+$input-btn-line-height:     1.25 !default;
+
+$input-btn-padding-y-sm:    .25rem !default;
+$input-btn-padding-x-sm:    .5rem !default;
+$input-btn-line-height-sm:  1.5 !default;
+
+$input-btn-padding-y-lg:    .5rem !default;
+$input-btn-padding-x-lg:    1rem !default;
+$input-btn-line-height-lg:  1.5 !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;
@@ -369,38 +356,31 @@ $btn-active-box-shadow:          inset 0 3px 5px rgba($black,.125) !default;
 
 $btn-primary-color:              $white !default;
 $btn-primary-bg:                 $brand-primary !default;
-$btn-primary-border:             $btn-primary-bg !default;
+$btn-primary-border-color:       $btn-primary-bg !default;
 
 $btn-secondary-color:            $gray-dark !default;
 $btn-secondary-bg:               $white !default;
-$btn-secondary-border:           #ccc !default;
+$btn-secondary-border-color:     #ccc !default;
 
 $btn-info-color:                 $white !default;
 $btn-info-bg:                    $brand-info !default;
-$btn-info-border:                $btn-info-bg !default;
+$btn-info-border-color:          $btn-info-bg !default;
 
 $btn-success-color:              $white !default;
 $btn-success-bg:                 $brand-success !default;
-$btn-success-border:             $btn-success-bg !default;
+$btn-success-border-color:       $btn-success-bg !default;
 
 $btn-warning-color:              $white !default;
 $btn-warning-bg:                 $brand-warning !default;
-$btn-warning-border:             $btn-warning-bg !default;
+$btn-warning-border-color:       $btn-warning-bg !default;
 
 $btn-danger-color:               $white !default;
 $btn-danger-bg:                  $brand-danger !default;
-$btn-danger-border:              $btn-danger-bg !default;
+$btn-danger-border-color:        $btn-danger-bg !default;
 
 $btn-link-disabled-color:        $gray-light !default;
 
-$btn-padding-x-sm:               .5rem !default;
-$btn-padding-y-sm:               .25rem !default;
-
-$btn-padding-x-lg:               1.5rem !default;
-$btn-padding-y-lg:               .75rem !default;
-
 $btn-block-spacing-y:            .5rem !default;
-$btn-toolbar-margin:             .5rem !default;
 
 // Allows for customizing button radius independently from global border radius
 $btn-border-radius:              $border-radius !default;
@@ -412,10 +392,6 @@ $btn-transition:                 all .2s ease-in-out !default;
 
 // Forms
 
-$input-padding-x:                .75rem !default;
-$input-padding-y:                .5rem !default;
-$input-line-height:              1.25 !default;
-
 $input-bg:                       $white !default;
 $input-bg-disabled:              $gray-lighter !default;
 
@@ -429,21 +405,15 @@ $input-border-radius-lg:         $border-radius-lg !default;
 $input-border-radius-sm:         $border-radius-sm !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;
+$input-border-color-focus:       lighten($brand-primary, 25%) !default;
+$input-box-shadow-focus:         $input-box-shadow, rgba($input-border-color-focus, .6) !default;
 $input-color-focus:              $input-color !default;
 
 $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;
+$input-height:                   (($font-size-base * $input-btn-line-height) + ($input-btn-padding-y * 2)) !default;
+$input-height-lg:                (($font-size-lg * $input-btn-line-height-lg) + ($input-btn-padding-y-lg * 2)) !default;
+$input-height-sm:                (($font-size-sm * $input-btn-line-height-sm) + ($input-btn-padding-y-sm * 2)) !default;
 
 $input-transition:               border-color ease-in-out .15s, box-shadow ease-in-out .15s !default;
 
@@ -457,24 +427,20 @@ $form-check-input-margin-x: .25rem !default;
 
 $form-check-inline-margin-x: .75rem !default;
 
-$form-group-margin-bottom:       $spacer-y !default;
+$form-group-margin-bottom:       1rem !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-spacer-x: 1rem !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;
 
@@ -499,10 +465,10 @@ $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-padding-x:          .75rem  !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-line-height:         $input-btn-line-height !default;
 $custom-select-color:               $input-color !default;
 $custom-select-disabled-color:      $gray-light !default;
 $custom-select-bg:            $white !default;
@@ -517,15 +483,14 @@ $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-padding-x:     .5rem !default;
 $custom-file-line-height:   1.5 !default;
 $custom-file-color:         $gray !default;
 $custom-file-bg:            $white !default;
@@ -553,7 +518,7 @@ $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;
 
 $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='#{$form-icon-danger-color}' viewBox='-2 -2 7 7'%3E%3Cpath stroke='%23d9534f' d='M0 0l3 3m0-3L0 3'/%3E%3Ccircle r='.5'/%3E%3Ccircle cx='3' r='.5'/%3E%3Ccircle cy='3' r='.5'/%3E%3Ccircle cx='3' cy='3' r='.5'/%3E%3C/svg%3E"), "#", "%23") !default;
+$form-icon-danger: str-replace(url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='#{$form-icon-danger-color}' viewBox='-2 -2 7 7'%3E%3Cpath stroke='#{$form-icon-danger-color}' 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;
 
 
 // Dropdowns
@@ -578,6 +543,7 @@ $dropdown-link-active-bg:        $component-active-bg !default;
 
 $dropdown-link-disabled-color:   $gray-light !default;
 
+$dropdown-item-padding-y:        .25rem !default;
 $dropdown-item-padding-x:        1.5rem !default;
 
 $dropdown-header-color:          $gray-light !default;
@@ -588,27 +554,45 @@ $dropdown-header-color:          $gray-light !default;
 // 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-sticky:             1020 !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;
 
+// Navs
+
+$nav-link-padding-y:            .5rem !default;
+$nav-link-padding-x:            1rem !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-color:                  $gray !default;
+$nav-tabs-active-link-bg:                     $body-bg !default;
+$nav-tabs-active-link-border-color:           #ddd !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;
 
 // Navbar
 
-$navbar-border-radius:              $border-radius !default;
-$navbar-padding-x:                  $spacer !default;
 $navbar-padding-y:                  ($spacer / 2) !default;
+$navbar-padding-x:                  $spacer !default;
 
-$navbar-brand-padding-y:            .25rem !default;
+$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:                   $navbar-brand-font-size * $line-height-base !default;
+$navbar-brand-height:               ($font-size-base * $line-height-base + $nav-link-padding-y * 2) !default;
+$navbar-brand-padding-y:            ($navbar-brand-height - $nav-link-height) / 2 !default;
 
-$navbar-toggler-padding-x:           .75rem !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;
 
@@ -616,47 +600,24 @@ $navbar-inverse-color:                 rgba($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;
+$navbar-inverse-toggler-icon-bg: str-replace(url("data:image/svg+xml;charset=utf8,%3Csvg viewBox='0 0 30 30' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath stroke='#{$navbar-inverse-color}' stroke-width='2' stroke-linecap='round' stroke-miterlimit='10' d='M4 7h22M4 15h22M4 23h22'/%3E%3C/svg%3E"), "#", "%23") !default;
+$navbar-inverse-toggler-border-color:  rgba($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:    $component-active-bg !default;
-
+$navbar-light-toggler-icon-bg: str-replace(url("data:image/svg+xml;charset=utf8,%3Csvg viewBox='0 0 30 30' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath stroke='#{$navbar-light-color}' stroke-width='2' stroke-linecap='round' stroke-miterlimit='10' d='M4 7h22M4 15h22M4 23h22'/%3E%3C/svg%3E"), "#", "%23") !default;
+$navbar-light-toggler-border-color: rgba($black,.1) !default;
 
 // Pagination
 
-$pagination-padding-x:                .75rem !default;
 $pagination-padding-y:                .5rem !default;
-$pagination-padding-x-sm:             .5rem !default;
+$pagination-padding-x:                .75rem !default;
 $pagination-padding-y-sm:             .25rem !default;
-$pagination-padding-x-lg:             1.5rem !default;
+$pagination-padding-x-sm:             .5rem !default;
 $pagination-padding-y-lg:             .75rem !default;
+$pagination-padding-x-lg:             1.5rem !default;
 $pagination-line-height:              1.25 !default;
 
 $pagination-color:                     $link-color !default;
@@ -666,15 +627,15 @@ $pagination-border-color:              #ddd !default;
 
 $pagination-hover-color:               $link-hover-color !default;
 $pagination-hover-bg:                  $gray-lighter !default;
-$pagination-hover-border:              #ddd !default;
+$pagination-hover-border-color:        #ddd !default;
 
 $pagination-active-color:              $white !default;
 $pagination-active-bg:                 $brand-primary !default;
-$pagination-active-border:             $brand-primary !default;
+$pagination-active-border-color:       $brand-primary !default;
 
 $pagination-disabled-color:            $gray-light !default;
 $pagination-disabled-bg:               $white !default;
-$pagination-disabled-border:           #ddd !default;
+$pagination-disabled-border-color:     #ddd !default;
 
 
 // Jumbotron
@@ -689,26 +650,26 @@ $jumbotron-bg:                   $gray-lighter !default;
 
 $state-success-text:             #3c763d !default;
 $state-success-bg:               #dff0d8 !default;
-$state-success-border:           darken($state-success-bg, 5%) !default;
+$state-success-border-color:     darken($state-success-bg, 5%) !default;
 
 $state-info-text:                #31708f !default;
 $state-info-bg:                  #d9edf7 !default;
-$state-info-border:              darken($state-info-bg, 7%) !default;
+$state-info-border-color:        darken($state-info-bg, 7%) !default;
 
 $state-warning-text:             #8a6d3b !default;
 $state-warning-bg:               #fcf8e3 !default;
 $mark-bg:                        $state-warning-bg !default;
-$state-warning-border:           darken($state-warning-bg, 5%) !default;
+$state-warning-border-color:     darken($state-warning-bg, 5%) !default;
 
 $state-danger-text:              #a94442 !default;
 $state-danger-bg:                #f2dede !default;
-$state-danger-border:            darken($state-danger-bg, 5%) !default;
+$state-danger-border-color:      darken($state-danger-bg, 5%) !default;
 
 
 // Cards
 
-$card-spacer-x:            1.25rem !default;
 $card-spacer-y:            .75rem !default;
+$card-spacer-x:            1.25rem !default;
 $card-border-width:        1px !default;
 $card-border-radius:       $border-radius !default;
 $card-border-color:        rgba($black,.125) !default;
@@ -735,9 +696,11 @@ $tooltip-bg:                  $black !default;
 $tooltip-opacity:             .9 !default;
 $tooltip-padding-y:           3px !default;
 $tooltip-padding-x:           8px !default;
-$tooltip-margin:              3px !default;
+$tooltip-margin:              0 !default;
+
 
 $tooltip-arrow-width:         5px !default;
+$tooltip-arrow-height:        5px !default;
 $tooltip-arrow-color:         $tooltip-bg !default;
 
 
@@ -751,13 +714,16 @@ $popover-border-color:                rgba($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-color:                 $headings-color !default;
 $popover-title-padding-y:             8px !default;
+$popover-title-padding-x:             14px !default;
 
-$popover-content-padding-x:           14px !default;
+$popover-content-color:               $body-color !default;
 $popover-content-padding-y:           9px !default;
+$popover-content-padding-x:           14px !default;
 
 $popover-arrow-width:                 10px !default;
+$popover-arrow-height:                5px !default;
 $popover-arrow-color:                 $popover-bg !default;
 
 $popover-arrow-outer-width:           ($popover-arrow-width + 1px) !default;
@@ -777,8 +743,8 @@ $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-padding-x:             .4em !default;
 
 $badge-pill-padding-x:        .6em !default;
 // Use a higher than normal value to ensure completely rounded edges when
@@ -821,28 +787,28 @@ $modal-transition:            transform .3s ease-out !default;
 //
 // 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-padding-x:             1.25rem !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-success-bg:            $state-success-bg !default;
 $alert-success-text:          $state-success-text !default;
-$alert-success-border:        $state-success-border !default;
+$alert-success-border-color:  $state-success-border-color !default;
 
 $alert-info-bg:               $state-info-bg !default;
 $alert-info-text:             $state-info-text !default;
-$alert-info-border:           $state-info-border !default;
+$alert-info-border-color:     $state-info-border-color !default;
 
 $alert-warning-bg:            $state-warning-bg !default;
 $alert-warning-text:          $state-warning-text !default;
-$alert-warning-border:        $state-warning-border !default;
+$alert-warning-border-color:  $state-warning-border-color !default;
 
 $alert-danger-bg:             $state-danger-bg !default;
 $alert-danger-text:           $state-danger-text !default;
-$alert-danger-border:         $state-danger-border !default;
+$alert-danger-border-color:   $state-danger-border-color !default;
 
 
 // Progress bars
@@ -855,6 +821,7 @@ $progress-box-shadow:           inset 0 .1rem .1rem rgba($black,.1) !default;
 $progress-bar-color:            $white !default;
 $progress-bar-bg:               $brand-primary !default;
 $progress-bar-animation-timing: 1s linear infinite !default;
+$progress-bar-transition:       width .6s ease !default;
 
 // List group
 
@@ -864,21 +831,18 @@ $list-group-border-color:        rgba($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-x:      1.25rem !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:                 $gray-lightest !default;
+$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-link-color:          $gray !default;
-$list-group-link-heading-color:  $gray-dark !default;
 $list-group-link-hover-color:    $list-group-link-color !default;
 
 $list-group-link-active-color:   $list-group-color !default;
@@ -933,7 +897,7 @@ $carousel-control-icon-width:                 20px !default;
 $carousel-control-prev-icon-bg: str-replace(url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='#{$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;
 
-$carousel-transition:           transform .6s ease-in-out !default;
+$carousel-transition:           transform .6s ease !default;
 
 
 // Close
@@ -943,19 +907,16 @@ $close-font-weight:           $font-weight-bold !default;
 $close-color:                 $black !default;
 $close-text-shadow:           0 1px 0 $white !default;
 
-
 // Code
 
 $code-font-size:              90% !default;
-$code-padding-x:              .4rem !default;
 $code-padding-y:              .2rem !default;
+$code-padding-x:              .4rem !default;
 $code-color:                  #bd4147 !default;
 $code-bg:                     $gray-lightest !default;
 
 $kbd-color:                   $white !default;
 $kbd-bg:                      $gray-dark !default;
 
-$pre-bg:                      $gray-lightest !default;
 $pre-color:                   $gray-dark !default;
-$pre-border-color:            #ccc !default;
 $pre-scrollable-max-height:   340px !default;
diff --git a/assets/stylesheets/bootstrap/mixins/_alert.scss b/assets/stylesheets/bootstrap/mixins/_alert.scss
index 6ed3a81..1e9307e 100644
--- a/assets/stylesheets/bootstrap/mixins/_alert.scss
+++ b/assets/stylesheets/bootstrap/mixins/_alert.scss
@@ -1,9 +1,9 @@
 // Alerts
 
 @mixin alert-variant($background, $border, $body-color) {
+  color: $body-color;
   background-color: $background;
   border-color: $border;
-  color: $body-color;
 
   hr {
     border-top-color: darken($border, 5%);
diff --git a/assets/stylesheets/bootstrap/mixins/_border-radius.scss b/assets/stylesheets/bootstrap/mixins/_border-radius.scss
index 54f29f4..2024feb 100644
--- a/assets/stylesheets/bootstrap/mixins/_border-radius.scss
+++ b/assets/stylesheets/bootstrap/mixins/_border-radius.scss
@@ -8,15 +8,15 @@
 
 @mixin border-top-radius($radius) {
   @if $enable-rounded {
-    border-top-right-radius: $radius;
     border-top-left-radius: $radius;
+    border-top-right-radius: $radius;
   }
 }
 
 @mixin border-right-radius($radius) {
   @if $enable-rounded {
-    border-bottom-right-radius: $radius;
     border-top-right-radius: $radius;
+    border-bottom-right-radius: $radius;
   }
 }
 
@@ -29,7 +29,7 @@
 
 @mixin border-left-radius($radius) {
   @if $enable-rounded {
-    border-bottom-left-radius: $radius;
     border-top-left-radius: $radius;
+    border-bottom-left-radius: $radius;
   }
 }
diff --git a/assets/stylesheets/bootstrap/mixins/_box-shadow.scss b/assets/stylesheets/bootstrap/mixins/_box-shadow.scss
new file mode 100644
index 0000000..b2410e5
--- /dev/null
+++ b/assets/stylesheets/bootstrap/mixins/_box-shadow.scss
@@ -0,0 +1,5 @@
+@mixin box-shadow($shadow...) {
+  @if $enable-shadows {
+    box-shadow: $shadow;
+  }
+}
diff --git a/assets/stylesheets/bootstrap/mixins/_breakpoints.scss b/assets/stylesheets/bootstrap/mixins/_breakpoints.scss
index 6fd2e8e..be1d034 100644
--- a/assets/stylesheets/bootstrap/mixins/_breakpoints.scss
+++ b/assets/stylesheets/bootstrap/mixins/_breakpoints.scss
@@ -2,7 +2,7 @@
 //
 // Breakpoints are defined as a map of (name: minimum width), order from small to large:
 //
-//    (xs: 0, sm: 576px, md: 768px)
+//    (xs: 0, sm: 576px, md: 768px, lg: 992px, xl: 1200px)
 //
 // The map defined in the `$grid-breakpoints` global variable is used as the `$breakpoints` argument by default.
 
@@ -10,9 +10,9 @@
 //
 //    >> 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);
@@ -21,7 +21,7 @@
 
 // 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, $name);
@@ -31,7 +31,7 @@
 // Maximum breakpoint width. Null for the largest (last) breakpoint.
 // The maximum value is calculated as the minimum of the next one less 0.1.
 //
-//    >> breakpoint-max(sm, (xs: 0, sm: 576px, md: 768px))
+//    >> breakpoint-max(sm, (xs: 0, sm: 576px, md: 768px, lg: 992px, xl: 1200px))
 //    767px
 @function breakpoint-max($name, $breakpoints: $grid-breakpoints) {
   $next: breakpoint-next($name, $breakpoints);
@@ -41,9 +41,9 @@
 // Returns a blank string if smallest breakpoint, otherwise returns the name with a dash infront.
 // Useful for making responsive utilities.
 //
-//    >> breakpoint-infix(xs, (xs: 0, sm: 576px, md: 768px))
+//    >> breakpoint-infix(xs, (xs: 0, sm: 576px, md: 768px, lg: 992px, xl: 1200px))
 //    ""  (Returns a blank string)
-//    >> breakpoint-infix(sm, (xs: 0, sm: 576px, md: 768px))
+//    >> breakpoint-infix(sm, (xs: 0, sm: 576px, md: 768px, lg: 992px, xl: 1200px))
 //    "-sm"
 @function breakpoint-infix($name, $breakpoints: $grid-breakpoints) {
   @return if(breakpoint-min($name, $breakpoints) == null, "", "-#{$name}");
@@ -78,10 +78,11 @@
 // 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, $breakpoints) {
-    @include media-breakpoint-down($upper, $breakpoints) {
-      @content;
-    }
+  $min: breakpoint-max($lower, $breakpoints);
+  $max: breakpoint-max($upper, $breakpoints);
+
+  @media (min-width: $min) and (max-width: $max) {
+    @content;
   }
 }
 
@@ -89,7 +90,10 @@
 // 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) {
+  $min: breakpoint-min($name, $breakpoints);
+  $max: breakpoint-max($name, $breakpoints);
+
+  @media (min-width: $min) and (max-width: $max) {
     @content;
   }
 }
diff --git a/assets/stylesheets/bootstrap/mixins/_buttons.scss b/assets/stylesheets/bootstrap/mixins/_buttons.scss
index f9981e3..47f2834 100644
--- a/assets/stylesheets/bootstrap/mixins/_buttons.scss
+++ b/assets/stylesheets/bootstrap/mixins/_buttons.scss
@@ -48,8 +48,8 @@
 
 @mixin button-outline-variant($color, $color-hover: #fff) {
   color: $color;
-  background-image: none;
   background-color: transparent;
+  background-image: none;
   border-color: $color;
 
   @include hover {
@@ -79,8 +79,9 @@
 }
 
 // Button sizes
-@mixin button-size($padding-y, $padding-x, $font-size, $border-radius) {
+@mixin button-size($padding-y, $padding-x, $font-size, $line-height, $border-radius) {
   padding: $padding-y $padding-x;
   font-size: $font-size;
+  line-height: $line-height;
   @include border-radius($border-radius);
 }
diff --git a/assets/stylesheets/bootstrap/mixins/_cards.scss b/assets/stylesheets/bootstrap/mixins/_cards.scss
index 4b1232d..e535b31 100644
--- a/assets/stylesheets/bootstrap/mixins/_cards.scss
+++ b/assets/stylesheets/bootstrap/mixins/_cards.scss
@@ -13,6 +13,12 @@
 @mixin card-outline-variant($color) {
   background-color: transparent;
   border-color: $color;
+
+  .card-header,
+  .card-footer {
+    background-color: transparent;
+    border-color: $color;
+  }
 }
 
 //
diff --git a/assets/stylesheets/bootstrap/mixins/_clearfix.scss b/assets/stylesheets/bootstrap/mixins/_clearfix.scss
index b72cf27..11a977b 100644
--- a/assets/stylesheets/bootstrap/mixins/_clearfix.scss
+++ b/assets/stylesheets/bootstrap/mixins/_clearfix.scss
@@ -1,7 +1,7 @@
 @mixin clearfix() {
   &::after {
     display: block;
-    content: "";
     clear: both;
+    content: "";
   }
 }
diff --git a/assets/stylesheets/bootstrap/mixins/_forms.scss b/assets/stylesheets/bootstrap/mixins/_forms.scss
index c8aea96..8607955 100644
--- a/assets/stylesheets/bootstrap/mixins/_forms.scss
+++ b/assets/stylesheets/bootstrap/mixins/_forms.scss
@@ -14,7 +14,9 @@
   }
 
   // Set the border and box shadow on specific inputs to match
-  .form-control {
+  .form-control,
+  .custom-select,
+  .custom-file-control {
     border-color: $color;
 
     &:focus {
@@ -25,15 +27,15 @@
   // Set validation states also for addons
   .input-group-addon {
     color: $color;
-    border-color: $color;
     background-color: lighten($color, 40%);
+    border-color: $color;
   }
 }
 
 // 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.
+// which defaults to the `@input-border-color-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
@@ -46,34 +48,8 @@
   &:focus {
     color: $input-color-focus;
     background-color: $input-bg-focus;
-    border-color: $input-border-focus;
+    border-color: $input-border-color-focus;
     outline: none;
     @include box-shadow($input-box-shadow-focus);
   }
 }
-
-// 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);
-  }
-
-  select#{$parent} {
-    height: $input-height;
-    line-height: $input-height;
-  }
-
-  textarea#{$parent},
-  select[multiple]#{$parent} {
-    height: auto;
-  }
-}
diff --git a/assets/stylesheets/bootstrap/mixins/_gradients.scss b/assets/stylesheets/bootstrap/mixins/_gradients.scss
index 8bfd97c..bad79f9 100644
--- a/assets/stylesheets/bootstrap/mixins/_gradients.scss
+++ b/assets/stylesheets/bootstrap/mixins/_gradients.scss
@@ -17,8 +17,8 @@
 }
 
 @mixin gradient-directional($start-color: #555, $end-color: #333, $deg: 45deg) {
-  background-repeat: repeat-x;
   background-image: linear-gradient($deg, $start-color, $end-color);
+  background-repeat: repeat-x;
 }
 @mixin gradient-x-three-colors($start-color: #00b3ee, $mid-color: #7a43b6, $color-stop: 50%, $end-color: #c3325f) {
   background-image: linear-gradient(to right, $start-color, $mid-color $color-stop, $end-color);
diff --git a/assets/stylesheets/bootstrap/mixins/_grid-framework.scss b/assets/stylesheets/bootstrap/mixins/_grid-framework.scss
index 0aa814a..ba341a6 100644
--- a/assets/stylesheets/bootstrap/mixins/_grid-framework.scss
+++ b/assets/stylesheets/bootstrap/mixins/_grid-framework.scss
@@ -22,7 +22,8 @@
         @extend %grid-column;
       }
     }
-    .col#{$infix} {
+    .col#{$infix},
+    .col#{$infix}-auto {
       @extend %grid-column;
     }
 
@@ -36,6 +37,7 @@
       .col#{$infix}-auto {
         flex: 0 0 auto;
         width: auto;
+        max-width: none; // Reset earlier grid tiers
       }
 
       @for $i from 1 through $columns {
diff --git a/assets/stylesheets/bootstrap/mixins/_grid.scss b/assets/stylesheets/bootstrap/mixins/_grid.scss
index 9cd8c7b..b6d9805 100644
--- a/assets/stylesheets/bootstrap/mixins/_grid.scss
+++ b/assets/stylesheets/bootstrap/mixins/_grid.scss
@@ -3,9 +3,8 @@
 // Generate semantic grid columns with these mixins.
 
 @mixin make-container($gutters: $grid-gutter-widths) {
-  position: relative;
-  margin-left: auto;
   margin-right: auto;
+  margin-left: auto;
 
   @each $breakpoint in map-keys($gutters) {
     @include media-breakpoint-up($breakpoint) {
@@ -69,7 +68,6 @@
 
 @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.
diff --git a/assets/stylesheets/bootstrap/mixins/_hover.scss b/assets/stylesheets/bootstrap/mixins/_hover.scss
index 6dd55e7..4aa4b1d 100644
--- a/assets/stylesheets/bootstrap/mixins/_hover.scss
+++ b/assets/stylesheets/bootstrap/mixins/_hover.scss
@@ -8,16 +8,18 @@
 //    }
 //  }
 //  @else {
+// scss-lint:disable Indentation
     &:hover { @content }
+// scss-lint:enable Indentation
 //  }
 }
 
+
 @mixin hover-focus {
   @if $enable-hover-media-query {
     &:focus { @content }
     @include hover { @content }
-  }
-  @else {
+  } @else {
     &:focus,
     &:hover {
       @content
@@ -32,8 +34,7 @@
       @content
     }
     @include hover { @content }
-  }
-  @else {
+  } @else {
     &,
     &:focus,
     &:hover {
@@ -49,8 +50,7 @@
       @content
     }
     @include hover { @content }
-  }
-  @else {
+  } @else {
     &:focus,
     &:active,
     &:hover {
diff --git a/assets/stylesheets/bootstrap/mixins/_list-group.scss b/assets/stylesheets/bootstrap/mixins/_list-group.scss
index 3db5b09..ba27b50 100644
--- a/assets/stylesheets/bootstrap/mixins/_list-group.scss
+++ b/assets/stylesheets/bootstrap/mixins/_list-group.scss
@@ -6,14 +6,11 @@
     background-color: $background;
   }
 
+  //scss-lint:disable QualifyingElement
   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%);
@@ -25,4 +22,5 @@
       border-color: $color;
     }
   }
+  // scss-lint:enable QualifyingElement
 }
diff --git a/assets/stylesheets/bootstrap/mixins/_nav-divider.scss b/assets/stylesheets/bootstrap/mixins/_nav-divider.scss
index fb3d12e..493de03 100644
--- a/assets/stylesheets/bootstrap/mixins/_nav-divider.scss
+++ b/assets/stylesheets/bootstrap/mixins/_nav-divider.scss
@@ -3,8 +3,8 @@
 // Dividers (basically an hr) within dropdowns and nav lists
 
 @mixin nav-divider($color: #e5e5e5) {
-  height: 1px;
-  margin: ($spacer-y / 2) 0;
+  height: 0;
+  margin: ($spacer / 2) 0;
   overflow: hidden;
-  background-color: $color;
+  border-top: 1px solid $color;
 }
diff --git a/assets/stylesheets/bootstrap/mixins/_reset-text.scss b/assets/stylesheets/bootstrap/mixins/_reset-text.scss
index b952730..4cf9e79 100644
--- a/assets/stylesheets/bootstrap/mixins/_reset-text.scss
+++ b/assets/stylesheets/bootstrap/mixins/_reset-text.scss
@@ -1,17 +1,18 @@
+// scss-lint:disable DuplicateProperty
 @mixin reset-text {
   font-family: $font-family-base;
   // We deliberately do NOT reset font-size or 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/assets/stylesheets/bootstrap/mixins/_resize.scss b/assets/stylesheets/bootstrap/mixins/_resize.scss
index 83fa637..66f233a 100644
--- a/assets/stylesheets/bootstrap/mixins/_resize.scss
+++ b/assets/stylesheets/bootstrap/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/assets/stylesheets/bootstrap/mixins/_screen-reader.scss b/assets/stylesheets/bootstrap/mixins/_screen-reader.scss
index c208583..a5fa51c 100644
--- a/assets/stylesheets/bootstrap/mixins/_screen-reader.scss
+++ b/assets/stylesheets/bootstrap/mixins/_screen-reader.scss
@@ -1,15 +1,17 @@
 // Only display content to screen readers
 //
 // See: http://a11yproject.com/posts/how-to-hide-content
+// See: http://hugogiraudel.com/2016/10/13/css-hide-and-seek/
 
 @mixin sr-only {
   position: absolute;
   width: 1px;
   height: 1px;
   padding: 0;
-  margin: -1px;
   overflow: hidden;
   clip: rect(0,0,0,0);
+  white-space: nowrap;
+  clip-path: inset(50%);
   border: 0;
 }
 
@@ -25,8 +27,9 @@
     position: static;
     width: auto;
     height: auto;
-    margin: 0;
     overflow: visible;
     clip: auto;
+    white-space: normal;
+    clip-path: none;
   }
 }
diff --git a/assets/stylesheets/bootstrap/mixins/_text-truncate.scss b/assets/stylesheets/bootstrap/mixins/_text-truncate.scss
index 5a40bf5..3504bb1 100644
--- a/assets/stylesheets/bootstrap/mixins/_text-truncate.scss
+++ b/assets/stylesheets/bootstrap/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/assets/stylesheets/bootstrap/mixins/_transforms.scss b/assets/stylesheets/bootstrap/mixins/_transforms.scss
deleted file mode 100644
index 4005c9d..0000000
--- a/assets/stylesheets/bootstrap/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/assets/stylesheets/bootstrap/mixins/_transition.scss b/assets/stylesheets/bootstrap/mixins/_transition.scss
new file mode 100644
index 0000000..7e33dee
--- /dev/null
+++ b/assets/stylesheets/bootstrap/mixins/_transition.scss
@@ -0,0 +1,9 @@
+@mixin transition($transition...) {
+  @if $enable-transitions {
+    @if length($transition) == 0 {
+      transition: $transition-base;
+    } @else {
+      transition: $transition;
+    }
+  }
+}
diff --git a/assets/stylesheets/bootstrap/mixins/_visibility.scss b/assets/stylesheets/bootstrap/mixins/_visibility.scss
index 88c50b0..f67fc1c 100644
--- a/assets/stylesheets/bootstrap/mixins/_visibility.scss
+++ b/assets/stylesheets/bootstrap/mixins/_visibility.scss
@@ -1,5 +1,5 @@
 // Visibility
 
-@mixin invisible {
-  visibility: hidden !important;
+@mixin invisible($visibility) {
+  visibility: $visibility !important;
 }
diff --git a/assets/stylesheets/bootstrap/utilities/_display.scss b/assets/stylesheets/bootstrap/utilities/_display.scss
index ae942a6..4535362 100644
--- a/assets/stylesheets/bootstrap/utilities/_display.scss
+++ b/assets/stylesheets/bootstrap/utilities/_display.scss
@@ -1,5 +1,5 @@
 //
-// Display utilities
+// Utilities for common `display` values
 //
 
 @each $breakpoint in map-keys($grid-breakpoints) {
@@ -16,3 +16,38 @@
     .d#{$infix}-inline-flex  { display: inline-flex !important; }
   }
 }
+
+
+//
+// Utilities for toggling `display` in print
+//
+
+.d-print-block {
+  display: none !important;
+
+  @media print {
+    display: block !important;
+  }
+}
+
+.d-print-inline {
+  display: none !important;
+
+  @media print {
+    display: inline !important;
+  }
+}
+
+.d-print-inline-block {
+  display: none !important;
+
+  @media print {
+    display: inline-block !important;
+  }
+}
+
+.d-print-none {
+  @media print {
+    display: none !important;
+  }
+}
diff --git a/assets/stylesheets/bootstrap/utilities/_flex.scss b/assets/stylesheets/bootstrap/utilities/_flex.scss
index 1b98aaa..cc69678 100644
--- a/assets/stylesheets/bootstrap/utilities/_flex.scss
+++ b/assets/stylesheets/bootstrap/utilities/_flex.scss
@@ -6,9 +6,9 @@
   @include media-breakpoint-up($breakpoint) {
     $infix: breakpoint-infix($breakpoint, $grid-breakpoints);
 
-    .flex#{$infix}-first     { order: -1; }
-    .flex#{$infix}-last      { order: 1; }
-    .flex#{$infix}-unordered { order: 0; }
+    .order#{$infix}-first { order: -1; }
+    .order#{$infix}-last  { order: 1; }
+    .order#{$infix}-0     { order: 0; }
 
     .flex#{$infix}-row            { flex-direction: row !important; }
     .flex#{$infix}-column         { flex-direction: column !important; }
diff --git a/assets/stylesheets/bootstrap/utilities/_spacing.scss b/assets/stylesheets/bootstrap/utilities/_spacing.scss
index 6056e2b..c89816b 100644
--- a/assets/stylesheets/bootstrap/utilities/_spacing.scss
+++ b/assets/stylesheets/bootstrap/utilities/_spacing.scss
@@ -5,22 +5,20 @@
     $infix: breakpoint-infix($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);
+      @each $size, $length in $spacers {
 
-        .#{$abbrev}#{$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}#{$infix}-#{$size}  { #{$prop}:        $length !important; }
+        .#{$abbrev}t#{$infix}-#{$size} { #{$prop}-top:    $length !important; }
+        .#{$abbrev}r#{$infix}-#{$size} { #{$prop}-right:  $length !important; }
+        .#{$abbrev}b#{$infix}-#{$size} { #{$prop}-bottom: $length !important; }
+        .#{$abbrev}l#{$infix}-#{$size} { #{$prop}-left:   $length !important; }
         .#{$abbrev}x#{$infix}-#{$size} {
-          #{$prop}-right: $length-x !important;
-          #{$prop}-left:  $length-x !important;
+          #{$prop}-right: $length !important;
+          #{$prop}-left:  $length !important;
         }
         .#{$abbrev}y#{$infix}-#{$size} {
-          #{$prop}-top:    $length-y !important;
-          #{$prop}-bottom: $length-y !important;
+          #{$prop}-top:    $length !important;
+          #{$prop}-bottom: $length !important;
         }
       }
     }
diff --git a/assets/stylesheets/bootstrap/utilities/_visibility.scss b/assets/stylesheets/bootstrap/utilities/_visibility.scss
index fcedc9c..823406d 100644
--- a/assets/stylesheets/bootstrap/utilities/_visibility.scss
+++ b/assets/stylesheets/bootstrap/utilities/_visibility.scss
@@ -2,54 +2,10 @@
 // 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;
-    }
-  }
+.visible {
+  @include invisible(visible);
 }
 
-
-// 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;
-  }
+.invisible {
+  @include invisible(hidden);
 }