Edit File: _screen-reader.scss
// 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; } }
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