body {
    font-family: Arial, sans-serif;
    text-align: center;
    background-color: #f0f0f0;
}

canvas {
    border: 1px solid #000;
    background-color: #fff;
    margin-top: 20px;
}

#instructions {
    margin-top: 20px;
}

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