#loading {
    display: flex;
    position: fixed;
    z-index: 1065;
    width: 100%;
    height: 100%;
    background-color: rgba(192, 192, 192, 0.5);
    background-repeat: no-repeat;
    background-position: center;
}

.z-index-loading {
    z-index: 4000 !important;
}