body {
      font-family: Arial, sans-serif;
      background-color: #f5f1e9; /* couleur feutrée vintage */
      color: #5c3a21; /* marron feutré */
      padding: 20px;
    }
    .container {
      max-width: 600px;
      margin: auto;
      background-color: #fdf6f0;
      padding: 20px;
      border-radius: 10px;
      box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    }
    .answers button {
      margin: 5px;
      padding: 10px 20px;
      background-color: #a67c52;
      color: white;
      border: none;
      border-radius: 5px;
      cursor: pointer;
    }
    .answers button:hover {
      background-color: #8b5e3c;
    }
    .nav-buttons button {
      margin: 5px;
      padding: 5px 10px;
      background-color: #d1bfa7;
      border: none;
      border-radius: 5px;
      cursor: pointer;
    }