html,
body {
  padding: 0;
  margin: 0;
  background: #fff;
}

body {
  font-size: 100%;
  font-family: "Libre Baskerville", serif;
  font-optical-sizing: auto;
  font-weight: 400;
  font-style: normal;
  line-height: 1.4;
  max-width: 50ch;
  padding: 40px;
  margin: 0 auto;
  color: #0b1215;
}

h1,
h2 {
  margin: 0 0 1.5rem;
  font-weight: bold;
}

h1 {
  font-size: 2rem;
}

h2 {
  font-size: 1.875rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid #ccc;
}

h3 {
  margin: 0;
  font-size: 1.5rem;
}

h4 {
  margin: 0;
  font-size: 1.125rem;
}