div.border {
	height: 700px;	
}

div.list {
	position: relative;
	margin-right: auto;
	margin-left: auto;
	top: 20px;
	width: 800px;
	height: 490px;
	clear: both;
}
div.left {
	float:left;
	width:49%;
}
div.right {
	float:right;
	width:49%;
}