body {
    margin: 0;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f4f4f4;
    color: #333;
  }
  
  header {
    background: #003366;
    color: white;
    padding: 20px;
    text-align: center;
  }
  
  nav a {
    color: white;
    margin: 0 15px;
    text-decoration: none;
  }
  
  section {
    padding: 40px 20px;
    max-width: 1000px;
    margin: auto;
  }
  
  h2 {
    color: #003366;
  }
  
  footer {
    background: #003366;
    color: white;
    text-align: center;
    padding: 20px;
    margin-top: 40px;
  }
  
  .btn {
    background-color: #007acc;
    color: white;
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    text-decoration: none;
  }