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/*----------  utility classes  ----------*/
.responsive-iframe
	position: relative;
	display: block;
	height: 0;
	padding: 0;
	overflow: hidden;
	padding-bottom: 56.25%;
	iframe
		position: absolute;
		top: 0;
		left: 0;
		bottom: 0;
		height: 100%;
		width: 100%;
		border: 0;