body {
  font-family: 'IBM Plex Mono', monospace;
  background-color: #f4f1ec;
  color: #2b2b2b;
  line-height: 1.6;
}

a {
  color: #004080;
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
}

h1, h2, h3 {
  font-family: 'IBM Plex Sans', sans-serif;
  font-weight: 600;
}