#Download {
        width: 905px;
    height: 150px;
    text-align: center;
    position: absolute;
    top: 924px;
    left: 50%;
    margin-left: -481px;
    z-index: 51;
    border-radius: 5px;
}
#Download .btn_down_s1 {
    float: left;
    width: 235px;
    height: 150px;
    text-indent: -999em;
    margin-left: 94px;
    margin-top: 33px;
}
#Download .btn_down_s2 {
    float: left;
    width: 235px;
    height: 150px;
    text-indent: -999em;
    margin-left: 15px;
    margin-top: 37px;
}
#Download .btn_down_s3 {
    float: left;
    width: 235px;
    height: 150px;
    text-indent: -999em;
    margin-left: 15px;
    margin-top: 37px;
}