#loading-image-container {
    display: none;
    position: fixed;
    z-index: 90;
    top: 0;
    left: 0;
    background: rgba(0,0,0,0.5);
    width: 100%;
    height: 100%;
}
#loading-image {
    background-image: url(/admin/images/ui/loading.gif);
    background-repeat: no-repeat;
    display: none;
    position: relative;
    z-index: 90;
    height: 40%;
    margin-top: 25%;
    margin-right: auto;
    margin-left: 50%;
    margin-bottom: auto;
    width: 8%;
}