#loading_global {
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    position: fixed;
    display: block;
    opacity: 1;
    background-color: #fff;
    z-index: 99;
    text-align: center;
}

#loading-image-global {
    position: absolute;
    top: 50%;
    left: 50%;
    margin-right: -50%;
    transform: translate(-50%, -50%)
}