.video-wrapper {
	position: relative;
	display: block;
	height: 0;
	padding: 0;
	overflow: hidden;
	padding-bottom: 62.5%;
}
.video-wrapper > iframe {
	position: absolute;
	top: 0;
	bottom: 0;
	left: 0;
	width: 100%;
	height: 100%;
	border: 0;
}