#ex_slide_12707{
        width:1920px;
        height:600px;
        overflow:hidden;
        position:relative;
    }
    #ex_slide_12707 ul{
        position: absolute;
        height:600px;
    }
    #ex_slide_12707 ul li{
        height:600px;
        width:1920px;
        visibility: visible !important;
    }