body {
    background-color: #121212;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
}

canvas {
    background-color: #000;
    border: 3px solid #333;
    box-shadow: 0 0 20px rgba(0, 255, 255, 0.2);
}