body {
    font-family: 'Arial', sans-serif;
    background-color: #f4f4f9;
    color: #333;
    margin: 0;
    padding: 20px;
    font-size: 14px;
}

#gameContainer {
    width: 100%;
    max-width: 1000px;
    margin: 0 auto;
    padding: 20px;
    background-color: #fff;
    border: 1px solid #ccc;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    box-sizing: border-box;
}

@media (max-width: 768px) {
    #gameContainer {
        width: 100%;
    }
}

h1 {
    font-size: 20px;
}

h2 {
    font-size: 16px;
}