body {
    margin: 0;
    padding: 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: #1a1a1a;
    font-family: Helvetica, sans-serif;
    color: #fff

}

#game {
    border: 2px solid #4caf50;
    background: #000;
}

#score {
    margin-bottom: 24px;
    font-size: 24px;
}

#gameOver {
    display: none;
    margin-top: 20px;
    font-size: 20px;
    color: #f44
}




button {
    margin-top: 10px;
    padding: 10px 20px;
    font-size: 16px;
    background: #4caf50;
    color: white;
    border-radius: 4px;

}


button:hover {
    background: #45A049;
}