| // Only display content to screen readers | |
| // | |
| // See: https://a11yproject.com/posts/how-to-hide-content/ | |
| // See: https://hugogiraudel.com/2016/10/13/css-hide-and-seek/ | |
| @mixin sr-only() { | |
| position: absolute; | |
| width: 1px; | |
| height: 1px; | |
| padding: 0; | |
| margin: -1px; // Fix for https://github.com/twbs/bootstrap/issues/25686 | |
| overflow: hidden; | |
| clip: rect(0, 0, 0, 0); | |
| white-space: nowrap; | |
| border: 0; | |
| } | |
| // Use in conjunction with .sr-only to only display content when it's focused. | |
| // | |
| // Useful for "Skip to main content" links; see https://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; | |
| overflow: visible; | |
| clip: auto; | |
| white-space: normal; | |
| } | |
| } | |