#wrap {
  
    background: url("sfondo.png") no-repeat center top;
	width:620px;
	height: 800px;
	margin-top: -20px;
	margin-left:auto;
	margin-right:auto;
	text-align:left;
	}
	
	#iphone{
	width:320px;
	height:480px;
	margin-top: 0px;
	padding-top:150px;
	margin-left:151px;
	}