.left_content {
	position: absolute;
	top: 0;
	left:0;
	width: 430px;
	padding: 10px;
	display: block;
}

.right_content {
	position: absolute;
	top: 0;
	left:450px;
	width: 430px;
	padding: 10px;
	display:block;
	
}