section#video{
	background-color:#FFFFFF;
	height: auto;
	width: 100%;
	text-align: center;
}

.contenedor_video{
	border: 0px solid blue;
	height:auto;
	display:flex;
	justify-content:center;
	flex-wrap: wrap;
	}
	
	


	
	
div#videotutorial{
	width: 100%;
	height: auto;
	border:0px solid red;
}

.video-youtubedos{
	height:0;
	padding-bottom:56.25%;
	position:relative;
	}	
	
div#videotutorial iframe{
	border:0px solid red;
	position:absolute; 
	top:0;
	left:0;
	width:100%;
	height:100%;
	}