.r1_iframe_embed {
	position: relative;
	overflow: hidden;
	width: 100%;
	height: auto;
	padding-top: 56.25%;
}

.r1_iframe_embed iframe {
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	border: 0;
}