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author | Dave Gandy <dave@davegandy.com> | 2016-04-05 23:53:24 +0300 |
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committer | Brian Talbot <hi.talbs@gmail.com> | 2016-04-06 17:23:22 +0300 |
commit | 72eabbc6373eb659f33db6dc360a0517d18efd16 (patch) | |
tree | 76c53fc13d8b6284a5b7f9d8507e6ceb57ad76cc /less/mixins.less | |
parent | 428a6a2995e10bba0c51856d95d2f9d7196b6161 (diff) |
adding a11y-focused sr-only and sr-only-focusable utilities
Diffstat (limited to 'less/mixins.less')
-rw-r--r-- | less/mixins.less | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/less/mixins.less b/less/mixins.less index 9ee27b7f3..3aca89f55 100644 --- a/less/mixins.less +++ b/less/mixins.less @@ -24,3 +24,37 @@ -ms-transform: scale(@horiz, @vert); transform: scale(@horiz, @vert); } + + +// Only display content to screen readers. À 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; + } +} |