body {
		margin:0; 
		padding:0; 
		position:absolute; 
		overflow:hidden; 
		background: url(../imagenes/degr.gif); 
		left:0; 
		top:0; 
		width:100%; 
		height:100%;
		}
	
span {
		position:absolute; 
		left:-1000; 
		font-size:14px;
		color:#FFF;
		font-family:arial;
		}