body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    background-color: #153C3B; /* Couleur de fond */
}
.container {
    text-align: center;
}
.vignette-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(0,0,0,0.1) 0%, rgba(0,0,0,0.9) 100%);
    pointer-events: none; /* Empêche l'interaction avec la superposition */
}