#Download {
    width: 764px;
    height: 172px;
    text-align: center;
    position: absolute;
    top: 960px;
    left: 50%;
    margin-left: -390px;
    z-index: 51;
    border-radius: 5px;
    background: url(../image/down-red.png) no-repeat left top;
}

#Download .btn_down_s1 {
    float: left;
    width: 294px;
    height: 87px;
    text-indent: -999em;
    margin-left: 141px;
    margin-top: 43px;
}

#Download .btn_down_s2 {
    float: left;
    width: 229px;
    height: 87px;
    text-indent: -999em;
    margin-left: 15px;
    margin-top: 41px;
}