docs: def style_factory(self, style_name):
          """Retrieve the specified pygments style.
  
          If the specified style is not found, the vim style is returned.
  
          :type style_name: str
          :param style_name: The pygments style name.
  
          :rtype: :class:`pygments.style.StyleMeta`
          :return: Pygments style info.
          """
          try:
              style = get_style_by_name(style_name)
          except ClassNotFound:
              style = get_style_by_name('vim')
  
          # Create a style dictionary.
          styles = {}
          styles.update(style.styles)
          styles.update(default_style_extensions)
          t = Token
          styles.update({
              t.Menu.Completions.Completion.Current: 'bg:#00aaaa #000000',
              t.Menu.Completions.Completion: 'bg:#008888 #ffffff',
              t.Menu.Completions.Meta.Current: 'bg:#00aaaa #000000',
              t.Menu.Completions.Meta: 'bg:#00aaaa #ffffff',
              t.Scrollbar.Button: 'bg:#003333',
              t.Scrollbar: 'bg:#00aaaa',
              t.Toolbar: 'bg:#222222 #cccccc',
              t.Toolbar.Off: 'bg:#222222 #696969',
              t.Toolbar.On: 'bg:#222222 #ffffff',
              t.Toolbar.Search: 'noinherit bold',
              t.Toolbar.Search.Text: 'nobold',
              t.Toolbar.System: 'noinherit bold',
              t.Toolbar.Arg: 'noinherit bold',
              t.Toolbar.Arg.Text: 'nobold'
          })
  
          return style_from_dict(styles)