code: def css(self) -> str:
          
          selector = self.random.choice(CSS_SELECTORS)
          css_sel = '{}{}'.format(selector, self.__text.word())
  
          cont_tag = self.random.choice(list(HTML_CONTAINER_TAGS.keys()))
          mrk_tag = self.random.choice(HTML_MARKUP_TAGS)
  
          base = '{}'.format(self.random.choice([cont_tag, mrk_tag, css_sel]))
          props = '; '.join(
              [self.css_property() for _ in range(self.random.randint(1, 6))])
          return '{} {{{}}}'.format(base, props)
docs: Generate a random snippet of CSS.
  
          :return: CSS.