// Mixins // -------------------------- .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; } .fa-icon-rotate(@degrees, @rotation) { -ms-filter: "progid:DXImageTransform.Microsoft.BasicImage(rotation=@{rotation})"; -webkit-transform: rotate(@degrees); -ms-transform: rotate(@degrees); transform: rotate(@degrees); } .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/ .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 .sr-only-focusable() { &:active, &:focus { position: static; width: auto; height: auto; margin: 0; overflow: visible; clip: auto; } }