body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: #f9fafb;
  color: #111827;
  line-height: 1.55;
}

.container {
  width: min(760px, 92%);
  margin: 2rem auto 3rem;
  background: #ffffff;
  border: 1px solid #e5e7eb;
  border-radius: 0.75rem;
  padding: 1.2rem 1.4rem;
}

h1,
h2 {
  line-height: 1.25;
}

section {
  margin-top: 1.2rem;
}

pre {
  background: #111827;
  color: #f9fafb;
  padding: 0.8rem;
  border-radius: 0.5rem;
  overflow-x: auto;
}