:root {
  --base-type: helvetica, arial, sans-serif;
  --mono-type: "Lucida Console", monaco, monospace;
}

h1,
h2,
h3 {
  color: var(--white);
}

h1 {
  font-size: 2em;
  font-weight: 700;
}

h2 {
  font-size: 1.8em;
  font-weight: 600;
}

h3 {
  font-size: 1.5em;
  font-weight: 500;
}

main > article > h1 {
  color: var(--primary);
}