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

body {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100vh;
    background-color: #222;
    color: white;
    font-family: Arial, sans-serif;
}

canvas {
    background-color: black;
    border: 2px solid white;
    display: block;
    max-width: 100%;
}