body {
    font-family: sans-serif;
    display: flex;
    flex-direction: column;
    align-items: center;
    background-color: #f0f0f0;
}

#game-container {
    position: relative;
}

#game-board {
    border: 2px solid black;
    background-color: #eee;
}

#score-board {
    position: absolute;
    top: 10px;
    left: 10px;
    background-color: rgba(255, 255, 255, 0.7);
    padding: 5px;
    border-radius: 5px;
}

#controls {
    margin-top: 20px;
}

#instructions {
    margin-bottom: 10px;
}