/**
 * aspect-ratio-helper Mixin
 *
 * Usage:
 * .class {
 *     @include aspect-ratio-helper('16x9');
 * }
 *
 * Output:
 * .class {
 *     &::before {
 *         display: block;
 *         content: "";
 *         width: 100%;
 *         padding-top: percentage(9/16);
 *     }
 * }
 */

@mixin aspect-ratio-helper($name) {
	&::before {
		content: "";
		display: block;
		width: 100%;
		padding-top: aspect-ratio($name);
	}
}