#loading {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(255, 255, 255, 0.7); /* Fond semi-transparent */
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999; /* Mettre au-dessus de tout le reste */
}