body,
html {
  background-color: black;
  font-family: "Courier New", Courier, monospace;
}

.doc {
  font-family: "Courier New", Courier, monospace;
  width: min(90vw, 800px);
  flex-direction: column;
  display: flex;
  margin-left: auto;
  margin-right: auto;
  color: white;
  font-size: 1em;
}

h1 {
  font-size: 1.5em;
}

h2 {
  font-size: 1.2em;
}