devdocs/assets/stylesheets/pages/_jsdoc.scss

._jsdoc {
  > h2 { @extend %block-heading; }

  > h3 {
    @extend %lined-heading;
    font-size: 1.1em;
  }

  figure {
    margin-left: 0;
    font-size: inherit;

    pre {
      margin-bottom: 0.5em;
    }

    figcaption {
      font-style: italic;
    }
  }

  pre {
    font-size: inherit;
  }
}