body {
  max-width: 760px;
  margin: 0 auto;
  padding: 3rem 1rem;
  color: #202124;
  background: #fff;
  font: 16px/1.6 "IBM Plex Mono", "Space Mono", "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

h1 {
  margin: 0;
  font-size: 2.2rem;
}

h2 {
  margin: 0 0 0.5rem;
  font-size: 1.2rem;
}

p,
ul {
  margin: 0.5rem 0 0;
}

nav {
  display: flex;
  gap: 1rem;
  margin: 1.25rem 0;
}

section {
  padding: 1.25rem 0;
  border-top: 1px solid #ddd;
}

a {
  color: #065fd4;
}