#gallery {
	height: 500px;
	width: 900px;
	background-color: #000;
}
#left-nav {
	float: left;
	height: 500px;
	width: 160px;
	background-color: #323232;
}
#left-nav ul {
	margin-top: 20px;
	list-style-type: none;
}
#gall-box {
	float: right;
	height: 500px;
	width: 740px;
	background-image: url(../material/bg3.jpg);
	background-repeat: no-repeat;
	background-position: left;
}
.thumbnail {
	float: left;
	height: 480px;
	width: 120px;
	padding-top: 18px;
}
.thu-lv {
	height: 85px;
	width: 85px;
	margin-right: 17px;
	margin-left: 17px;
	padding-bottom: 10px;
}
.image {
	height:500px;
	width:620px;
	float: right;
}