.embed-container
{
	position: relative;
	padding-bottom: 56.25%;
	height: 0;
	overflow: hidden;
	max-width: 100%;
}

.embed-container iframe, .embed-container object, .embed-container embed
{
	position: absolute; 
	top: 0; 
	left: 0; 
	width: 100%; 
	height: 100%; 
}