styles.css

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    background: #000;
    color: white;
}

#game-container {
    text-align: center;
}

canvas {
    border: 2px solid white;
    background: #111;
}