body {
    margin: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    background-color: #000;
}

#gameContainer {
    position: relative;
    text-align: center;
}

#gameCanvas {
    background-color: #111;
    border: 2px solid #fff;
}

#scoreBoard {
    color: white;
    font-size: 24px;
    margin-top: 10px;
}

#startButton {
    margin-top: 10px;
    padding: 10px 20px;
    font-size: 16px;
}