#loading-area {
    width: 100%;
    height: 100%;
    background-color: #e9ecef;
    position: fixed;
    left: 0;
    top: 0;
    opacity: 1;
    z-index: 999999999;
    background-image: url(loading.gif);
    background-repeat: no-repeat;
    background-size: 80px;
    background-position: center;
}