1 files changed, 25 insertions, 16 deletions

diff --git a/assets/stylesheets/bootstrap/mixins/_breakpoints.scss b/assets/stylesheets/bootstrap/mixins/_breakpoints.scss
index a868833..6fd2e8e 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: 544px, md: 768px)
+//    (xs: 0, sm: 576px, md: 768px)
 //
 // The map defined in the `$grid-breakpoints` global variable is used as the `$breakpoints` argument by default.
 
@@ -10,7 +10,7 @@
 //
 //    >> breakpoint-next(sm)
 //    md
-//    >> breakpoint-next(sm, (xs: 0, sm: 544px, md: 768px))
+//    >> breakpoint-next(sm, (xs: 0, sm: 576px, md: 768px))
 //    md
 //    >> breakpoint-next(sm, $breakpoint-names: (xs sm md))
 //    md
@@ -21,8 +21,8 @@
 
 // Minimum breakpoint width. Null for the smallest (first) breakpoint.
 //
-//    >> breakpoint-min(sm, (xs: 0, sm: 544px, md: 768px))
-//    544px
+//    >> breakpoint-min(sm, (xs: 0, sm: 576px, md: 768px))
+//    576px
 @function breakpoint-min($name, $breakpoints: $grid-breakpoints) {
   $min: map-get($breakpoints, $name);
   @return if($min != 0, $min, null);
@@ -31,13 +31,24 @@
 // Maximum breakpoint width. Null for the largest (last) breakpoint.
 // The maximum value is calculated as the minimum of the next one less 0.1.
 //
-//    >> breakpoint-max(sm, (xs: 0, sm: 544px, md: 768px))
+//    >> breakpoint-max(sm, (xs: 0, sm: 576px, md: 768px))
 //    767px
 @function breakpoint-max($name, $breakpoints: $grid-breakpoints) {
   $next: breakpoint-next($name, $breakpoints);
   @return if($next, breakpoint-min($next, $breakpoints) - 1px, null);
 }
 
+// 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))
+//    ""  (Returns a blank string)
+//    >> breakpoint-infix(sm, (xs: 0, sm: 576px, md: 768px))
+//    "-sm"
+@function breakpoint-infix($name, $breakpoints: $grid-breakpoints) {
+  @return if(breakpoint-min($name, $breakpoints) == null, "", "-#{$name}");
+}
+
 // Media of at least the minimum breakpoint width. No query for the smallest breakpoint.
 // Makes the @content apply to the given breakpoint and wider.
 @mixin media-breakpoint-up($name, $breakpoints: $grid-breakpoints) {
@@ -64,17 +75,6 @@
   }
 }
 
-// Media between the breakpoint's minimum and maximum widths.
-// 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: $grid-breakpoints) {
-  @include media-breakpoint-up($name, $breakpoints) {
-    @include media-breakpoint-down($name, $breakpoints) {
-      @content;
-    }
-  }
-}
-
 // Media that spans multiple breakpoint widths.
 // Makes the @content apply between the min and max breakpoints
 @mixin media-breakpoint-between($lower, $upper, $breakpoints: $grid-breakpoints) {
@@ -84,3 +84,12 @@
     }
   }
 }
+
+// Media between the breakpoint's minimum and maximum widths.
+// No minimum for the smallest breakpoint, and no maximum for the largest one.
+// Makes the @content apply only to the given breakpoint, not viewports any wider or narrower.
+@mixin media-breakpoint-only($name, $breakpoints: $grid-breakpoints) {
+  @include media-breakpoint-between($name, $name, $breakpoints) {
+    @content;
+  }
+}