woocommerce/plugins/woocommerce-blocks/assets/css/abstracts/_mixins.scss

// Rem output with px fallback
@mixin font-size($sizeValue: 16, $lineHeight: false ) {
	font-size: $sizeValue + px;
	font-size: ($sizeValue / 16) + rem;
	@if ($lineHeight) {
		line-height: $lineHeight;
	}
}

@mixin hover-state {
	&:hover,
	&:active,
	&:focus {
		@content;
	}
}

@keyframes loading-fade {
	0% {
		opacity: 0.7;
	}
	50% {
		opacity: 1;
	}
	100% {
		opacity: 0.7;
	}
}

// Adds animation to placeholder section
@mixin placeholder() {
	animation: loading-fade 1.2s ease-in-out infinite;
	background-color: $core-grey-light-500 !important;
	color: transparent;
	border: 0;
	box-shadow: none;

	&::after {
		content: "\00a0";
	}

	@media screen and (prefers-reduced-motion: reduce) {
		animation: none;
	}
}

// Adds animation to transforms
@mixin animate-transform( $duration: 0.2s ) {
	transition: transform ease $duration;

	@media screen and (prefers-reduced-motion: reduce) {
		transition: none;
	}
}

// Hide an element from sighted users, but availble to screen reader users.
@mixin visually-hidden() {
	clip: rect(1px, 1px, 1px, 1px);
	clip-path: inset(50%);
	height: 1px;
	width: 1px;
	margin: -1px;
	overflow: hidden;
	/* Many screen reader and browser combinations announce broken words as they would appear visually. */
	overflow-wrap: normal !important;
	word-wrap: normal !important;
}

// Unhide a visually hidden element
@mixin visually-shown() {
	clip: auto;
	clip-path: none;
	height: auto;
	width: auto;
	margin: unset;
	overflow: hidden;
}