body {
    font-family: 'Segoe UI', sans-serif;
    background: linear-gradient(to bottom, #f4f4f4, #eaeaea);
    margin: 0;
    padding: 20px;
  }
  
  .quiz-container {
    max-width: 800px;
    margin: auto;
    background: white;
    padding: 30px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
    border-radius: 12px;
  }
  
  h1 {
    text-align: center;
    color: #333;
  }
  
  .question {
    margin-bottom: 30px;
  }
  
  .question h3 {
    color: #444;
  }
  
  .highlight {
    font-weight: bold;
    color: #007acc;
  }
  
  ul {
    list-style: none;
    padding: 0;
  }
  
  li {
    background: #f0f0f0;
    padding: 10px 15px;
    margin: 6px 0;
    border-radius: 8px;
    cursor: pointer;
    transition: 0.3s ease;
  }
  
  li:hover {
    background: #e0e0e0;
  }
  
  li.correct {
    background: #c8f7c5;
  }
  
  li.wrong {
    background: #f7c5c5;
  }
  
  .feedback {
    margin-top: 8px;
    font-weight: bold;
  }
  
  .correct-answer {
    color: green;
  }
  
  .incorrect-answer {
    color: red;
  }