body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    line-height: 1.6;
    background: #f7f7f7;
    color: #333;
  }
  
  header {
    background: #1a73e8;
    color: white;
    padding: 20px;
    text-align: center;
  }
  
  nav a {
    margin: 0 10px;
    color: white;
    text-decoration: none;
  }
  
  main {
    padding: 20px;
    max-width: 800px;
    margin: auto;
  }
  
  footer {
    background: #ddd;
    color: #333;
    text-align: center;
    padding: 10px;
    margin-top: 20px;
  }