.frame-container { 
	position: relative; 
	padding-bottom: 56.25%;
	height: 0; 
	overflow: hidden;
	margin-bottom:20px;
}

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