style.css

body {
    text-align: center;
    font-family: Arial, sans-serif;
    background-color: #000;
    color: white;
}

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

button {
    padding: 10px 20px;
    font-size: 16px;
    background-color: white;
    border: none;
    cursor: pointer;
}