.video-btn {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: rgba(255, 255, 255, 0.7);
    border-radius: 50%;
    padding: 20px;
    transition: background 0.3s ease;
    cursor: pointer;
}

    .video-btn:hover {
        background: rgba(255, 255, 255, 0.9);
    }

    .video-btn i {
        font-size: 2rem; /* Taille de l'icône */
        color: #000;
    }