/* Reset some defaults */
  * {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
  }

  body {
    font-family: helvetica, sans-serif;
    line-height: 1.6;
    color: #222;
    background-color: #fefef0;
    padding: 0;
  }

  header {
    text-align: center;
    margin-bottom: 2rem;
  }

  header h1 {
    font-size: 2rem;
    margin-bottom: 0.2rem;
  }

  header p {
    font-size: 1rem;
    color: #555;
  }

  nav {
    margin-bottom: 2rem;
    text-align: center;
  }

  a {
    text-decoration: none;
    color: #22aa77;
    font-weight:bold;
  }

  a:hover {
    text-decoration: underline;
  }

  main {
    max-width: 900px;
    margin: 0 auto;
  }

  section {
    margin-bottom: 2rem;
  }

  h2 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    border-bottom: 1px solid #ddd;
    padding-bottom: 0.2rem;
  }

  p {
    margin-bottom: 1rem;
  }

  footer {
    text-align: center;
    font-size: 0.9rem;
    color: #666;
    border-top: 1px solid #ddd;
    padding-top: 1rem;
  }

  /* Responsive tweaks */
  @media (max-width: 600px) {
    body {
      padding: 0.5rem;
    }

    header h1 {
      font-size: 1.5rem;
    }

    nav a {
      display: block;
      margin: 0.5rem 0;
    }
  }