body {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
    background-color: #f0f0f0;
}

#gameCanvas {
    border: 1px solid #333;
}

#scoreDisplay {
    margin-top: 10px;
    font-size: 20px;
    font-weight: bold;
}