body {
background-image:url(../images/mmi_bg_pattern.jpg);
background-repeat:repeat-x;
background-color:#616161;

}
#fondo {
			position:fixed; 
			top:-50%; 
			left:-50%; 
			width:200%; 
			height:200%;
		}
		#fondo img {
			position:absolute; 
			top:0; 
			left:0; 
			right:0; 
			bottom:0; 
			margin:auto; 
			min-width:50%;
			min-height:50%;
		}