body {
  line-height: 1.6;
  margin: 50px;
  max-width: 740px;
}
.date a {
  text-decoration: none;
}

code {
  color: navy;
}

pre {
  padding: 16px;
  overflow: auto;
  whitespace: pre;
  word-wrap: normal;
  max-width: 740px;
  background-color: lightgrey;
}

pre code {
  padding: 16px 4px;
}