body {
    margin: 0;
    padding: 0;
    overflow: hidden;
    background-color: #9333ea;
    font-family: sans-serif;
}

#tutorial-box {
    position: absolute;
    top: 20px;
    left: 20px;
    background: rgba(75, 0, 130, 0.8);
    padding: 15px;
    border-radius: 8px;
    color: white;
    z-index: 10;
}

#tutorial-box h1 {
    margin: 0 0 10px 0;
    font-size: 24px;
}

#tutorial-box p {
    margin: 0;
    font-size: 14px;
}

canvas {
    display: block;
}