body {
  font-family: sans-serif;
  max-width: 700px;
  margin: 2rem auto;
  padding: 1rem;
  line-height: 1.6;
  background-color: #f9f9f9;
  color: #333;
}

h1, h2, h3 {
  color: #004c99;
}

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

a:hover {
  text-decoration: underline;
}

pre, code {
  background: #eee;
  padding: 0.2em 0.4em;
  border-radius: 4px;
  font-family: monospace;
}