devdocs/assets/stylesheets/pages/_tensorflow.scss

._tensorflow {
  h2, h3, h4 { @extend %block-heading, %label-blue; }
  p > code, li > code { @extend %label; }

  // These are used for lists of arguments and return values in the docs.
  b > code {
    @extend %label;
    background-color: initial;
    font-weight: 500;
    font-size: 1.1em;
  }
}