#spinner
    {
        position: fixed;
        left: 0px;
        top: 0px;
        width: 100%;
        height: 100%;
        z-index: 9999;
        background: url(/themes/acmegraphics/assets/images/Loading.gif) 50% 50% no-repeat rgba(252, 252, 252, 0.5);
    }