.select dt
{height: 32px;
    display: inline-block;
    border: 1px solid #eee;
   line-height: 32px;
    font-size: 14px;
    cursor: pointer;
   
   width:178px;
    color: #999;
    white-space: nowrap;
    text-overflow: ellipsis;
    overflow: hidden;
    position: relative;
    z-index: 99;}