.embed-container {	
	position: relative;	
	max-width: 100%;
	height: 100%;
} 
.embed-container iframe, .embed-container object, .embed-container embed {
	position: absolute;	
	width: 100%;
	height: 40%;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    -webkit-transform: translate(-50%, -50%);
    -moz-transform: translate(-50%, -50%);
    -o-transform: translate(-50%, -50%);
}