@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@400;700&display=swap');
    .correct { color: green; }
    .incorrect { color: red; }
    .feedback { display: none; margin-top: 5px; }
    .hidden { display: none; }
    .section { margin-bottom: 50px; }
    .question { margin-bottom: 15px; padding: 10px; border-radius: 5px; background-color: #f8f9fa; }