body {
  font-family:
    -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial,
    sans-serif;
  line-height: 1.6;
  color: #333;
  max-width: 800px;
  margin: 0 auto;
  padding: 2rem;
  background-color: #fdfdfd;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family:
    -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial,
    sans-serif;
  color: #222;
  margin-top: 2rem;
  margin-bottom: 1rem;
}

a {
  color: #007bff;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

ul {
  list-style: square;
}

li {
  margin-bottom: 0.5rem;
}

article h1 {
  margin-top: 0;
}