body {
  font-family: sans-serif;
  margin: 0;
  padding: 0 1rem;
  line-height: 1.6;
  max-width: 800px;
  margin: auto;
  background-color: #f9f9f9;
  color: #222;
}

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

header h1 {
  font-size: 2em;
  margin: 0;
}

a {
  color: #0066cc;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

h2 {
  color: #333;
  border-bottom: 1px solid #ddd;
  padding-bottom: 0.2rem;
}

footer {
  text-align: center;
  margin-top: 4rem;
  font-size: 0.9em;
  color: #888;
}

section ul {
  list-style: none;
  padding-left: 0;
}

section li {
  margin-bottom: 1.2rem;
}