code: def on_builder_inited(app):
      
      local_css_path = pathlib.Path(__file__).parent / "uqbar.css"
      theme_css_path = (
          pathlib.Path(app.srcdir) / app.config.html_static_path[0] / "uqbar.css"
      )
      with local_css_path.open("r") as file_pointer:
          local_css_contents = file_pointer.read()
      uqbar.io.write(local_css_contents, theme_css_path)
docs: Hooks into Sphinx's ``builder-inited`` event.
  
      Used for copying over CSS files to theme directory.