body {
	background-color: #000;
	text-align: center;
	margin: 0 auto;
}
#box {
	color: #fff;
	margin: auto;
	left:0; right:0;
	top:0; bottom:0;
	position: absolute;
	width: 340px;
	height: 340px;
	text-align: center;
}
#box img {
	width: 100%;
	height: 100%;
}