*{
margin: 0; /*--configuracion de bordes y margen--*/
padding:0;
box-sizing: border-box;

}
#materiales {
	display: flex;
	text-align: right;
	margin-top: 100px;
	right: 20px;
	font-size: 20px;
	color: white;
	list-style-type: none;
	}
	

h2 {
	text-align: center;
	text-decoration: underline;
	border: none;
	
}
.contenedor {
	border: 70px;
	
}

video {
	position: fixed;
	min-width: 100%;
	min-height: 100%;
	top: 50%;
	left: 50%;
	transform: translateX(-50%) translateY(-50%);
	z-index: -1;
	filter: brightness(1.3);
	filter: contrast(1.9);
		
}