body {
  font-size: 14px;
}

h1 {
  font-size: 54px;
}

h2 {
  font-size: 48px;
}

h3 {
  font-size: 32px;
}

/* Black background and white text for preview.md only */
body[data-page="preview"] {
  background-color: #000000 !important;
  color: #ffffff !important;
}

body[data-page="preview"] .navbar,
body[data-page="preview"] nav,
body[data-page="preview"] header {
  background-color: #1a1a1a !important;
  color: #ffffff !important;
}

body[data-page="preview"] a {
  color: #4a9eff !important;
}

body[data-page="preview"] a:visited {
  color: #b294ff !important;
}
  .highlight pre code,
  .codehilite pre code,
  pre code {
    font-size: 0.9em !important;  /* 1.2 times the parent font size */
  }