themes-wordpress/seedlet/assets/sass/base/_accessibility.scss

@mixin screen-reader-text() {

	/* Text meant only for screen readers. */

	border: 0;
	clip: rect(1px, 1px, 1px, 1px);
	clip-path: inset(50%);
	height: 1px;
	margin: -1px;
	overflow: hidden;
	padding: 0;
	position: absolute !important;
	width: 1px;
	word-wrap: normal !important; /* Many screen reader and browser combinations announce broken words as they would appear visually. */

	&:focus {
		background-color: var(--global--color-background);
		border-radius: 3px;
		box-shadow: 0 0 2px 2px rgba(0, 0, 0, 0.6);
		clip: auto !important;
		clip-path: none;
		color: var(--global--color-foreground);
		display: block;
		font-size: var(--global--font-size-md);
		font-weight: bold;
		height: auto;
		left: 5px;
		line-height: normal;
		padding: 15px 23px 14px;
		text-decoration: none;
		top: 5px;
		width: auto;
		z-index: 100000; /* Above WP toolbar. */
	}
}

.screen-reader-text {
	@include screen-reader-text();
}

/* Do not show the outline on the skip link target. */
#content[tabindex="-1"]:focus {
	outline: 0;
}