#contner1, #contner2{
	width:980px;
	margin:0 auto;
}
#banner{
	margin:25px 0;
	height:120px;
}
#banner img{
	border:1px solid #777;
}
#banner li{
	float:left;
	margin-right:10px;
}
#maincontent{
	padding:0;
}
#back{
	background-image:url(../img/top_back.jpg);
	background-position:center top;
	background-repeat:no-repeat;
	height:810px;
}
#footer{
	height:100px;
}
#back2{
	background-image:url(../img/footer_back.jpg);
}
#footer li a:hover{
	color:#fff;
}