.multiply-game{
        display: flex;
        justify-content: center;
        align-items: center;
    }
    
    .game-container {
        background: white;
        padding: 20px;
        border-radius: 10px;
        box-shadow: 0 0 10px rgba(0,0,0,0.2);
        text-align: center;
        width: 300px;
    }
    h1 {
        font-size: 20px;
        margin-bottom: 10px;
    }
    .question {
        font-size: 24px;
        margin: 20px 0;
    }
    input {
        padding: 8px;
        font-size: 16px;
        width: 80px;
        text-align: center;
    }
    button {
        padding: 8px 15px;
        font-size: 16px;
        margin-top: 10px;
        cursor: pointer;
        background: #28a745;
        color: white;
        border: none;
        border-radius: 5px;
    }
    button:hover {
        background: #218838;
    }
    .feedback {
        margin-top: 10px;
        font-weight: bold;
    }
    .score {
        margin-top: 15px;
        font-size: 16px;
    }