h1 {
  color: #2c6bed;
  font-weight: 700;
}

h2 {
  color: #444;
  margin-top: 2rem;
}

h3 {
  color: #222;
  margin-top: 1.25rem;
}

main.content {
  max-width: 900px;
}

em {
  color: #666;
  font-style: italic;
}