.nav?{

????height:?30px;

????background:#e3e4e5;

????border-bottom:?1px?solid?#ddd;

}

.nav-box?{

????margin:?0px?auto;

????width:?1190px;

????text-align:?right;

}

.nav-box?ul?li?{

????display:?inline-block;

????padding:?0px?10px;

????font-size:?12px;

????height:?30px;

????line-height:?30px;

????position:?relative;

}