message: Ensure <b> tags appear bold for all browsers
  In Firefox, the default <b> style is such that it doesn't appear bold with our
  current selection of specific font weights. This specifically sets a working
  font weight.
diff: @@ -36,6 +36,12 @@ body {
  color: $warning-color;
  }
  +b {
  + // On Firefox, the default weight for `<b>` is `bolder` which results in no bold
  + // effect since we only have specific weights of our fonts available.
  + font-weight: bold;
  +}
  +
  h2 {
  color: $primary-fg-color;
  font-weight: 400;
  