.youtube-vid {
	position: relative;
	margin-bottom: 1em;
	padding-bottom: 46.6%; /* Default for 1600x900 videos 16:9 ratio*/
	padding-top: 0;
	height: 0;
	overflow: hidden;
}

.youtube-vid iframe {
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
}