#transition-overlay {

    display: flex;
    align-content: center;
    justify-items: center;
    align-items: center;
    justify-content: center;
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: var(--backgroundaccueil);
    opacity: 1;
    z-index: 9999999999999999;
    transition: opacity 0.6s ease-in-out;
    pointer-events: auto;
}

#transition-overlay.fade-out {
    opacity: 0;
    pointer-events: none;
}

#loading-logo {
    width: 30vw;
    opacity: 0.3;
    filter: brightness(0) invert(0.5);
    z-index: 99999999999999999;
    animation: opacity 0.2s ease-in-out;
}

#transition-overlay.fade-out #loading-logo {
    opacity: 0.3;
    animation: opacity 0.2s ease-in-out;
}