#Download {
    width: 890px;
    height: 90px;
    text-align: center;
    position: absolute;
    top: 880px;
    left: 50%;
    margin-left: -357px;
    z-index: 51;
    border-radius: 5px;
    background: url(../images/down.png) no-repeat left top;
}

#Download .btn_down_s1 {
    float: left;
    width: 295px;
    height: 90px;
    text-indent: -999em;
}

#Download .btn_down_s2 {
    float: left;
    width: 295px;
    height: 90px;
    text-indent: -999em;
    margin-left: 0px;
    margin-top: 3px;
}

#Download .btn_down_s3 {
    float: left;
    width: 295px;
    height: 90px;
    text-indent: -999em;
    margin-left: -10px;
    margin-top: -1px;
}

#Download .btn_down_s1:hover {
    background: url(../images/down1.png) no-repeat left top;
}

#Download .btn_down_s2:hover {
    background: url(../images/down2.png) no-repeat left top;
}

#Download .btn_down_s3:hover {
    background: url(../images/down3.png) no-repeat left top;
}

#Flash1 {
    width: 1920px;
    height: 994px;
    position: absolute;
    left: 50%;
    margin: 0px auto -272px -960px;
}

@keyframes sc {
    0% {
        transform: scale(1);
    }

    50% {
        transform: scale(0.8);
    }

    100% {
        transform: scale(1);
    }
}