/**组件样式*/
<ul>
                  
    <li class="title on">
        <a class="a" href="#"><h3>二级栏目</h3></a>
        <i></i>
        <div class="list">
            <a href="#">三级栏目</a>
            <a class="active" href="#">三级栏目</a>
            <a href="#">三级栏目</a>
            <a href="#">三级栏目</a>
        </div>
        <div class="clear"></div>
    </li>
 
</ul>
.vsbcontent-table-container-outer { position: relative;}
.vsbcontent-table-container
{
    width: 98%;
    overflow-y: auto;
    _overflow: auto;
    margin: 2px;}
.vsbcontent-table-container::-webkit-scrollbar
{
    -webkit-appearance: none;
    width: 14px;
    height: 14px;}
.vsbcontent-table-container::-webkit-scrollbar-thumb
{
    border-radius: 8px;
    border: 3px solid #fff;
    background-color: rgba(0, 0, 0, .3);}