.sNav{height:50px; margin: 0px auto; width:1200px;}
.sNav>a{font-size:16px; list-style: none; float:left;  text-decoration: none; position: relative; font-weight:bold; overflow: hidden;}
.sNav>a li{background:#EEEEEE; padding:0px 20px; text-align: center; color:#333; height: 50px; line-height:50px;}
.sNav>a span{background:#363636; text-align: center; color: white;}