body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f2f2f2;
    color: #333;
    margin: 0;
    padding: 0;
  }
  
  header {
    background-color: #007acc;
    color: white;
    text-align: center;
    padding: 2rem 1rem;
  }
  
  main {
    max-width: 800px;
    margin: 2rem auto;
    padding: 1rem;
    background-color: white;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
  }
  
  h2 {
    color: #007acc;
    margin-top: 1.5rem;
  }
  
  ul {
    list-style-type: square;
    padding-left: 20px;
  }
  
  a {
    color: #007acc;
    text-decoration: none;
  }
  
  a:hover {
    text-decoration: underline;
  }
  
  footer {
    text-align: center;
    padding: 1rem;
    background-color: #eee;
    margin-top: 2rem;
  }