// Mixins
 // --------------------------
 
 @mixin fa-icon() {
   display: inline-block;
   font: normal normal normal #{$fa-font-size-base}/#{$fa-line-height-base} FontAwesome; // shortening font declaration
   font-size: inherit; // can't have font-size inherit on line above, so need to override
   text-rendering: auto; // optimizelegibility throws things off #1094
   -webkit-font-smoothing: antialiased;
   -moz-osx-font-smoothing: grayscale;
 
 }
 
 @mixin fa-icon-rotate($degrees, $rotation) {
   -ms-filter: "progid:DXImageTransform.Microsoft.BasicImage(rotation=#{$rotation})";
   -webkit-transform: rotate($degrees);
       -ms-transform: rotate($degrees);
           transform: rotate($degrees);
 }
 
 @mixin fa-icon-flip($horiz, $vert, $rotation) {
   -ms-filter: "progid:DXImageTransform.Microsoft.BasicImage(rotation=#{$rotation}, mirror=1)";
   -webkit-transform: scale($horiz, $vert);
       -ms-transform: scale($horiz, $vert);
           transform: scale($horiz, $vert);
 }
 
 
 // Only display content to screen readers. A la Bootstrap 4.
 //
 // See: http://a11yproject.com/posts/how-to-hide-content/
 
 @mixin sr-only {
   position: absolute;
   width: 1px;
   height: 1px;
   padding: 0;
   margin: -1px;
   overflow: hidden;
   clip: rect(0,0,0,0);
   border: 0;
 }
 
 // Use in conjunction with .sr-only to only display content when it's focused.
 //
 // Useful for "Skip to main content" links; see http://www.w3.org/TR/2013/NOTE-WCAG20-TECHS-20130905/G1
 //
 // Credit: HTML5 Boilerplate
 
 @mixin sr-only-focusable {
   &:active,
   &:focus {
     position: static;
     width: auto;
     height: auto;
     margin: 0;
     overflow: visible;
     clip: auto;
   }
 }