#overall_body {
	margin-right: auto;
	margin-left: auto;
	width: 800px;
	background-color: #FFFFFF;
}
#container_left {
	width: 450px;
	float: left;
	font-family: Arial, Helvetica, sans-serif;
	background-color: #FFFFFF;
}
#container_right {
	width: 350px;
	float: right;
	font-family: Arial, Helvetica, sans-serif;
	font-size: 12px;
	background-color: #CCCCCC;
}