.select{     margin-bottom: 20px;   position: relative;}
.select:hover{ background:#5a6278 ;}
.select dt{
    height:40px;
    display:inline-block;
    border:1px solid #ffffff;
    line-height:40px;
    font-size: 14px;
    cursor:pointer;
    text-indent: 10px;
    width:230px;
    color: #ffffff;
    white-space:nowrap;
    text-overflow:ellipsis;
    overflow:hidden;
    position:relative;
    z-index:99;}
.select dd{
    position:absolute;
    left:0;   
    bottom:0;
    border:1px solid #cccccc;
    background:#fff;
    display:none;
    font-size: 14px;
    z-index: 99;}
.select dd ul{
    width:190px;background:#f3f3f3;height:200px; overflow-y: scroll;
    max-height:250px;}
.select dd ul li a{
    line-height:40px;
    display:block;
    padding:0 8px;
    color: #333333;}
.select dd ul li a:hover{
    background:#cccccc;}