body {
    font-family: Arial, sans-serif;
    margin: 0;
    background-color: #1c1c1c;
    color: white;
  }
  
  header {
    background-color: #333;
    padding: 1rem;
    text-align: center;
  }
  
  nav a {
    margin: 0 1rem;
    color: white;
    text-decoration: none;
  }
  
  main {
    padding: 1rem;
  }
  
  section {
    margin-bottom: 2rem;
  }