body {
      font-family: Arial, sans-serif;
      /* padding: 30px; */
      background: #f9f9f9;
    }
    .quiz-container {
      max-width: 600px;
      margin: 0 auto;
      background: #fff;
      border-radius: 10px;
      padding: 20px;
      box-shadow: 0 4px 10px rgba(0,0,0,0.1);
    }
    h2 {
      text-align: center;
    }
    .options button {
      display: block;
      width: 100%;
      margin: 10px 0;
      padding: 10px;
      font-size: 16px;
      border: 1px solid #ccc;
      border-radius: 6px;
      background: #f0f0f0;
      cursor: pointer;
    }
    .options button:hover {
      background: #e0e0e0;
    }
    .feedback {
      text-align: center;
      margin-top: 20px;
      font-size: 18px;
      font-weight: bold;
    }

    .score {
      text-align: right;
      font-size: 18px;
      margin-bottom: 10px;
      color: #333;
      font-weight: bold;
    }

    .question {
      border: 2px solid #ccc;
      background: #fdfdfd;
      padding: 20px;
      font-size: 24px;
      text-align: center;
      margin-bottom: 20px;
      border-radius: 8px;
    }