.all-cats-popup {
    top: -49999px;
    left: 0px;
    width: 10000px;
    height: 100000px;
    display: block;
    background: #FFF;
}

 .popup-content {
    position: relative;
    width: 100%;
    float: left;
    clear: both;
    left: 99999px;
    top: 99490px;
    height: 100%;
    background: #fff;
background-image:url(//img.jshopx.jd.com/imgextra/i1/752188877/O1CN013sFHB32FRikpKiLY4_!!752188877.gif);
background-position:top center;
    background-attachment: fixed;
background-repeat:no-repeat;
}
 .popup-hidden {
    visibility: visible;
}