html {
  font-size: 10pt;;
  font-family: Verdana, Helvetica, sans-serif;
}

body {
  box-sizing: border-box;
  background-color: hsl(140, 10%, 80%);
  margin: 0 auto;
  max-width: 800px;
  padding: 0.8rem;
}

body .content-block {
  padding: 0.4rem;
  padding-top: 0;
  border: 1px solid;
  margin-bottom: 0.4rem;
}

body .content-block h1 {
  background-color: darkgrey;
  border-top: 0;
  border-bottom: 1px solid;
  margin: 0 -0.4rem 0.4rem -0.4rem;
  padding: 0.4rem;
  font-size: 1.25rem;
}

body .content-block h2 {
  background-color: darkgrey;
  border-top: 1px solid;
  border-bottom: 1px solid;
  margin: 0.8rem -0.4rem 0.4rem -0.4rem;
  padding: 0.4rem;
  font-size: 1rem;
}