html, body, #wrapper {
   	height:100%;
	background:url('images/mainbg.jpg');
	background-size: auto;
   	width: 100%;
   	margin: 0;
   	padding: 0;
   	border: 0;
}

img
{
	position: absolute;
	top: 45%;
	left: 52.5%;
	width: 427px;
	height: 472px;
	margin-top: -213px; /* Half the height */
	margin-left: -236px; /* Half the width */
}

#wrapper td {
   vertical-align: middle;
   text-align: center;
}