body{background:#000;}
#mobile_bg{
	background: url('../images/bgimage.jpg') no-repeat;
	position:absolute;
	z-index:0;
	opacity: .5;
	width: 100%;
	height:905px;
}
#container{
	margin: 0 auto;
	width: 480px;
	position:relative;
	z-index:10;
}