/* * Utility classes that impose no visual design, only structural and semantic help * * Table of Contents * * Global font sizing & colour * Headings * Heading Groups * Generic Text Elements * Links * Horizontal Rules * Blockquotes * Definition Lists */ /* ========================================================================== Utility Classes ========================================================================== */ .invisible { visibility: hidden; } .hidden, .visuallyhidden, .screen-reader-text { border: 0; clip: rect(0 0 0 0); height: 1px; margin: -1px; overflow: hidden; padding: 0; position: absolute; width: 1px; } .visuallyhidden.focusable:active, .visuallyhidden.focusable:focus { clip: auto; height: auto; margin: 0; overflow: visible; position: static; width: auto; }