.footer{ width:100%;	clear:both;	background-color:#909090;}
.footer .mainService{font-weight:bold;}
.footer a{color:#fff;}
.footer div{width:100%;line-height:2;}
.footer ul{list-style:none;margin:0;padding:0;overflow:hidden;background:#575757;}
.footer li:first-child{width:35%;}
.footer li{float:left;text-align:center;width:21%;}
.copyright{color:#919191;text-align:center;font-size:13px;background-color:#575757;}