body {
    margin: 0;
    overflow: hidden;
    background: linear-gradient(to bottom, #87CEEB, #1E90FF); /* Dégradé de bleu clair à bleu plus foncé */
}


#blocker {
    position: absolute;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1;
}

#instructions {
    position: absolute;
    width: 100%;
    text-align: center;
    top: 50%;
    font-size: 24px;
    color: white;
    font-family: Arial, sans-serif;
}