// 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; } .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: http://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 http://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; } }