body {
  font-family: courier, "Courier New", sans-serif;
  font-size: 1em;

  margin: 0 auto;
  width: 512px
}
h1, h2, h3, h4, h5 {
  font-family: 'Arial', sans-serif;
}
pre {
  font-family: courier, "Courier New", sans-serif;
  font-size: 1em;
  
  white-space: pre-wrap;
  overflow-wrap: break-word;
}