html {
	background: url(/images/fondos/background.png) no-repeat center center fixed; 
		  -webkit-background-size: cover;
		  -moz-background-size: cover;
		  -o-background-size: cover;
		  background-size: cover;
		  font-family:verdana; 
 }
 
 
 #videoUser {
	position: absolute;
	right: 0;
	top: 0;
	width: auto;
	height: 100%;
	z-index: 0;
	visibility: visible;
 opacity:1; /* valores de 0 a 1 */
  }