| // Only display content to screen readers |
| // |
| // See: https://www.a11yproject.com/posts/2013-01-11-how-to-hide-content/ |
| // See: https://kittygiraudel.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; |
| } |
| } |
