body {
    display: flex;
    flex-direction: column;
    align-items: center;
    font-family: sans-serif;
    background-color: #f0f0f0;
}

canvas {
    border: 1px solid black;
    background-color: #000032; /* Default dark blue */
    /* Gradient will be drawn by JS */
}

p {
    margin-top: 10px;
}