.quiz-container {
  font-family: Arial, sans-serif;
  max-width: 600px;
  margin: 0 auto;
  padding: 20px;
}

.quiz-question {
  background: #f9f9f9;
  padding: 20px;
  border-radius: 10px;
  margin-bottom: 20px;
}

.quiz-answer {
  display: block;
  width: 100%;
  padding: 10px;
  margin: 5px 0;
  background: #fff;
  border: 1px solid #ddd;
  border-radius: 5px;
  cursor: pointer;
  text-align: left;
}

.quiz-answer:hover {
  background: #f0f0f0;
}

.quiz-feedback {
  margin: 15px 0;
  padding: 10px;
  border-radius: 5px;
  display: none;
}

.quiz-feedback.correct {
  background: #e6f7e6;
  color: #2e7d32;
  display: block;
}

.quiz-feedback.incorrect {
  background: #ffebee;
  color: #c62828;
  display: block;
}

.quiz-next-btn, .quiz-restart-btn {
  background: #4CAF50;
  color: white;
  border: none;
  padding: 10px 15px;
  border-radius: 5px;
  cursor: pointer;
  margin-top: 10px;
}

.quiz-next-btn:hover, .quiz-restart-btn:hover {
  background: #45a049;
}

.quiz-complete {
  text-align: center;
  padding: 20px;
}