body, html {
	height: 100%;
}

#page {
	width: 400px;
	margin: -275px auto 0px auto;
	height: 100%;
	position: relative;
}
#content_container {
	position: absolute;
	top: 50%;
	height: 550px;
}

div#content {
	background: transparent url(../site.gif) no-repeat center center;
	width: 400px;
	height: 550px;
	text-indent: -3000em;
}