.ic_a
    {
        background-color: #FFFFFF;
        border: 1px solid #969696;
        color: #969696;
        cursor: pointer;
        float: left;
        font-family: Arial;
        font-size: 12px;
        height: 16px;
        line-height: 16px;
        overflow: hidden;
        text-align: center;
        width: 16px;
    }
    .mask
    {
        background-color:Black;
        position: absolute;
        margin-left:4px;
        margin-top: -295px;
        z-index: 1000;
        text-align:left;
        width:525px;
        height:30px;
    }
    .mask_a
    {
        line-height: 30px;
        font-weight: 900;
        color:White;
    }