body {
	background-color: #424242;
}
#wrapper {
	background-color: #424242;
	position: relative;
	height: 600px;
	width: 800px;
	margin: auto;
}
#wrapper .top_banner {
	height: auto;
	width: auto;
	left: 0px;
	top: 0px;
}
#nav_container {
	position: absolute;
	left: 0px;
	bottom: 0px;
	z-index: 15;
}