.video_box {
	margin-top: 25px;
	display: inline-block;
	text-align: center;
	border: 1px solid #D1D1D1;
	position: relative;
	width:100%;
	padding-bottom:56.25%;
	margin-bottom:25px;
	}

.video_box iframe{
	position:absolute;
	top: 0;
	left: 0;
	width: 100% !important;
	height: 100% !important;
}