body {
      font-family: Arial, sans-serif;
      line-height: 1.5;
    }
    .highlight {
      background: yellow;
      font-weight: bold;
    }
    .result-box {
      border: 1px solid #ddd;
      border-radius: 8px;
      padding: 15px;
      margin-top: 10px;
    }