body {
    background: #222;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
    font-family: Arial, sans-serif;
}

#game-container {
    display: flex;
    flex-direction: column;
    align-items: center;
}

#pong {
    background: #111;
    border: 2px solid #fff;
    display: block;
    margin-bottom: 10px;
}

#scoreboard {
    color: #fff;
    font-size: 2em;
    font-weight: bold;
    letter-spacing: 10px;
    user-select: none;
}