body {
    font-family: Arial, sans-serif;
    background-color: #f9f9f9;
    color: #333;
    margin: 0;
    padding: 0;
    line-height: 1.6;
  }
  
  .container {
    max-width: 900px;
    margin: auto;
    padding: 30px;
    background-color: #fff;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
  }
  
  header h1 {
    color: #004a8f;
    font-size: 2em;
    margin-bottom: 10px;
  }
  
  header a {
    color: #0077cc;
    text-decoration: none;
  }
  
  header a:hover {
    text-decoration: underline;
  }
  
  main section {
    margin-bottom: 30px;
  }
  
  main h2 {
    color: #004a8f;
    border-bottom: 2px solid #ddd;
    padding-bottom: 5px;
    margin-bottom: 10px;
  }
  
  ul {
    list-style: disc;
    margin-left: 20px;
  }
  
  @media (max-width: 600px) {
    .container {
      padding: 15px;
    }
  
    header h1 {
      font-size: 1.5em;
    }
  
    main h2 {
      font-size: 1.2em;
    }
  }