@import url('https://fonts.googleapis.com/css2?family=Fira+Mono&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Fira+Sans&display=swap');
* {
  font-family: Fira Sans;
}
pre {
  background: #333;
  color:limegreen;
  font-family: Fira Mono;
  padding: 2em;
  border-radius: 4px;
  margin: 1em;
  white-space: pre-wrap;
}
body {
  max-width: 50em;
}