body {
    text-align: center;
    background: linear-gradient(to bottom, #000000, #0b3d91);
    color: white;
    font-family: Arial, sans-serif;
}

h1 {
    margin-top: 20px;
}

canvas {
    background-color: black;
    border: 2px solid white;
    margin-top: 20px;
}