position: absolute;\n  width: 1px;\n  height: 1px;\n  padding: 0;\n  margin: -1px; // Fix for https://github.com/twbs/bootstrap/issues/25686\n  overflow: hidden;\n  clip: rect(0, 0, 0, 0);\n  white-space: nowrap;\n  border: 0;\n}\n\n// Use in conjunction with .sr-only to only display content when it's focused.\n//\n// Useful for \"Skip to main content\" links; see https://www.w3.org/TR/2013/NOTE-WCAG20-TECHS-20130905/G1\n//\n// Credit: HTML5 Boilerplate\n\n@mixin sr-only-focusable() {\n  &:active,\n...