html {
  font-family: "Nimbus Mono PS", "Courier New", monospace;
  font-size: 1.25em;
  font-weight: normal;
  margin: auto;
  max-width: 70ch;
  padding: 3em 1em;
  line-height: 1.75;
}

img {
    display: block;
    margin: auto;
    max-width: 100%;
}