.Default_BigBanner {
    margin:auto;
    width:100%;
    height:432px;
    background-color:#CCC;
}
    .Default_BigBanner .Part1 {
        width:100%;
        height:32px;
        background-image:url(../Images/BigBannerBg.jpg);
    }
    .Default_BigBanner .Part2 {
        width:100%;
        height:400px;
        /*background-image:url(../Images/Default_BigPic.jpg);
        background-position:center;*/
        background-color:#CCC;
    }
        .Default_BigBanner .Part2 ul {
            list-style-type:none;
            margin:0px;
            padding:0px;
        }
            .Default_BigBanner .Part2 ul li {
                text-align:center;
                height:400px;
                background-size:1000px 400px;
                background-repeat:no-repeat;
                background-position:center;
            }