.loading-div {
    background: url('../../../img/loading-gray.svg') no-repeat center center / 128px 128px;
    width: 100%;
    height: 100%;
    position: absolute;
    z-index: 1;
}

#overlay {
    z-index: 999;
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    display: none;
}