.slide_tab
{
    width: 520px;
    margin: 0 auto;
    text-align: center;
    height: 280px;
    background: #fff url(images/main_bg.gif) repeat-x 0 100%;
    border: 0px solid #aaa;
    position: relative;
    overflow: hidden;
    border:1px solid #ccc;
}
.slide_tab ul
{
    margin: 0;
    padding: 0;
    float: left;
    overflow: hidden;
}
.tab_btn li
{
    list-style: none;
    margin-top: 8px;
    float: left;
    width: 90px;
    font-size: 12px;
    padding: 7px;
    zoom: 1;
    text-decoration: none;
    color: #c0c0c0;
    line-height: 50%;
    cursor: pointer;
}
.tab_btn li.active
{
    color: #F0B910;
    font-weight: bold;
    cursor: default;
}
.tab_btn
{
    overflow: hidden;
    height: 30px;
    background: url(images/tabbar.gif) repeat-x;
}

.main
{
    width: 490px;
    height: 235px;
    overflow: hidden;
   border:1px solid #ccc;
}