.cusSelect {
    width: 250px;
    height: 39px;
    line-height: 30px;
    border: 1px solid #c6c6c6;
    background: url(/public/dot_select.png) no-repeat 225px center #efefef;
    position: relative;
    cursor: pointer;
    display: inline-block;
    _zoom: 1;
    _display: inline;
    margin-right: 17px;
}
.cusSelect:last-child {
    margin-right: 0;
}
.cusTitle {
    width: 235px;
    height: 100%;
    font-size: 14px;
    color: #333333;
    position: relative;
    cursor: pointer;
    overflow: hidden;
    text-overflow: ellipsis;
    padding-left: 10px;
    line-height: 39px;
}
.cusOpSet {
    font-size: 14px;
    min-width: 100%;
    max-height: 322px;
    list-style: none;
    padding: 0;
    margin: 0;
    border: 1px solid #ccc;
    position: absolute;
    left: 0;
    overflow-y: auto;
    background-color: #efefef;
    z-index: 999;
    transition: background 0.3s;
}
.cusOpSet li {
    width: auto;
    line-height: inherit;
    font-size: inherit;
    background-color: inherit;
    padding: 0;
    white-space: nowrap;
}
.cusOpSet li a {
    text-decoration: none;
    color: inherit;
    display: block;
    font-size: 14px;
    padding: 2px 10px;
}
.cusOpSet li:hover {
    background-color: #3479c6;
    color: #fff;
}
.show {
    display: block;
}