codekingpro/portable-devtools

1// Only display content to screen readers2//3// See: https://www.a11yproject.com/posts/2013-01-11-how-to-hide-content/4// See: https://kittygiraudel.com/2016/10/13/css-hide-and-seek/5 6@mixin sr-only() {7  position: absolute;8  width: 1px;9  height: 1px;10  padding: 0;11  margin: -1px; // Fix for https://github.com/twbs/bootstrap/issues/2568612  overflow: hidden;13  clip: rect(0, 0, 0, 0);14  white-space: nowrap;15  border: 0;16}17 18// Use in conjunction with .sr-only to only display content when it's focused.19//20// Useful for "Skip to main content" links; see https://www.w3.org/TR/2013/NOTE-WCAG20-TECHS-20130905/G121//22// Credit: HTML5 Boilerplate23 24@mixin sr-only-focusable() {25  &:active,26  &:focus {27    position: static;28    width: auto;29    height: auto;30    overflow: visible;31    clip: auto;32    white-space: normal;33  }34}35