#waitingModal {
    display: none;
    position: fixed;
    z-index: 9999;
    background: rgba(0, 0, 0, 0.3);
}

#waitingModal div {
    position: relative;
    top: 40%;
}

#waitingModal .spinner-border {
    --bs-spinner-width: 4rem;
    --bs-spinner-height: 4rem;
}

body.loading #waitingModal {
    overflow: hidden;
}

body.loading #waitingModal {
    display: block;
}