// Mixins // ————————–

.fa-icon() {

-moz-osx-font-smoothing: grayscale;
-webkit-font-smoothing: antialiased;
display: inline-block;
font-style: normal;
font-variant: normal;
font-weight: normal;
line-height: 1;
vertical-align: -.125em;

}

.fa-icon-rotate(@degrees, @rotation) {

-ms-filter: "progid:DXImageTransform.Microsoft.BasicImage(rotation=@{rotation})";
transform: rotate(@degrees);

}

.fa-icon-flip(@horiz, @vert, @rotation) {

-ms-filter: "progid:DXImageTransform.Microsoft.BasicImage(rotation=@{rotation}, mirror=1)";
transform: scale(@horiz, @vert);

}

// Only display content to screen readers. A la Bootstrap 4. // // See: a11yproject.com/posts/how-to-hide-content/

.sr-only() {

border: 0;
clip: rect(0,0,0,0);
height: 1px;
margin: -1px;
overflow: hidden;
padding: 0;
position: absolute;
width: 1px;

}

// Use in conjunction with .sr-only to only display content when it's focused. // // Useful for “Skip to main content” links; see www.w3.org/TR/2013/NOTE-WCAG20-TECHS-20130905/G1 // // Credit: HTML5 Boilerplate

.sr-only-focusable() {

&:active,
&:focus {
  clip: auto;
  height: auto;
  margin: 0;
  overflow: visible;
  position: static;
  width: auto;
}

}