body {
    font-family: Arial, sans-serif;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100vh;
    margin: 0;
    background-color: #f4f4f4;
}

#gameCanvas {
    border: 2px solid #000;
    background-color: #e0e0e0;
}

#instructions {
    margin-top: 20px;
    text-align: center;
}

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