.quiz-container{background-color:#f9f9f9;border:1px solid #ddd;border-radius:8px;padding:20px}.quiz-question h4{margin-bottom:15px}.quiz-answer{cursor:pointer;background-color:#fff;border:1px solid #ddd;border-radius:4px;margin:5px 0;padding:10px}.quiz-answer:hover{background-color:#f0f0f0}.quiz-answer.selected{background-color:#d0f0d0;border-color:#4caf50}.quiz-results{text-align:center}