html {
  background-color: #ffffff;
  color: #333333;
  font-family: sans-serif;
  font-size: calc(.75em + 1vmin);
  font-weight: 400;
  line-height: 1.45; }

p {
  margin-bottom: 1.3em;
  max-width: 80ch; }

h1,
h2,
h3,
h4 {
  font-weight: inherit;
  line-height: 1.2;
  margin: 1.414em 0 .5em; }

h1 {
  font-size: 3.998em;
  margin-top: 0; }

h2 {
  font-size: 2.827em; }

h3 {
  font-size: 1.999em; }

h4 {
  font-size: 1.414em; }

small {
  font-size: .707em; }