code: def find_element_by_css_selector(self, css_selector):
          
          return self.find_element(by=By.CSS_SELECTOR, value=css_selector)
docs: Finds an element by css selector.
  
          :Args:
           - css_selector - CSS selector string, ex: 'a.nav#home'
  
          :Returns:
           - WebElement - the element if it was found
  
          :Raises:
           - NoSuchElementException - if the element wasn't found
  
          :Usage:
              ::
  
                  element = driver.find_element_by_css_selector('#foo')