ont-weight: bold; font-style: italic; } /* Warning */
  </style>
  <link href="https://fonts.googleapis.com/css?family=Roboto|Roboto+Mono&display=swap" rel="stylesheet"> 

  <!-- BG custom styling -->
  <style type="text/css">
  /* Fix for line numbers not visible */
  pre.numberSource code > span {
      left: -1em;
  }
  pre.numberSource {
      margin-left: initial;
  }

  /* Put some space after the section numbers */
  span.toc-section-number::after {
      content: "\a0\a0\a0";  /* non-breaking whites