.main {
	width: 980px;
	margin: auto;
	height: 100%;
	overflow: inherit;
}
.top {
	width: 900px;
	height: 150px;
	float: left;
	margin-top: 20px;
	margin-left: 30px;
	background-position: top;
}
.middle {
	width: 150px;
	height: 100%;
	float: left;
	margin-top: 5px;
	margin-left: 10px;
}
.right {
	width: 760px;
	height: 100%;
	float: right;
	margin-top: 40px;
	margin-left: 5px;
	margin-right: 5px;
}
.footer {
	clear: both;
	margin: auto;
	height: 16px;
}