:root {
  font-family: system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  color: #1d2125;
  background: #f6f8fa;
  line-height: 1.55;
}

main {
  max-width: 720px;
  margin: 0 auto;
  padding: 24px 16px 48px;
  overflow-wrap: anywhere;
}

h1 {
  color: #2f78c4;
}

h2 {
  margin-top: 2em;
}

h3 {
  margin-top: 1.5em;
  font-size: 1rem;
}

.muted {
  color: #5f6b76;
}

hr {
  margin: 3em 0;
  border: none;
  border-top: 1px solid #dde3e8;
}

a {
  color: #2f78c4;
}