@ou-imdt/css/src/utility/visually-hidden.css

The IMDT CSS library styles native elements with light, extendable CSS. It is developed for Interactive Media Developers at the Open University.

/*   based on bootstrap */
.visually-hidden,
.visually-hidden-focusable:not(:focus):not(:focus-within),
.sr-only,
.sr-only-focusable:not(:focus):not(:focus-within) {
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    padding: 0 !important;
    margin: -1px !important;
    overflow: hidden !important;
    clip: rect(0, 0, 0, 0) !important;
    white-space: nowrap !important;
    border: 0 !important;
}