Python - Selenium - scroll Firefox/Chrome

from selenium import webdriver
from selenium.webdriver import ActionChains
import time

#driver = webdriver.Chrome()
driver = webdriver.Firefox()

driver.get("https://en.wikipedia.org/wiki/Main_Page")

time.sleep(3)

menu = driver.find_element_by_xpath(".//*[@id='mp-sister']/table/tbody/tr[1]/td[4]/b/a")

# --- Chrome ---
#hover = ActionChains(driver).move_to_element(menu)
#hover.perform()

# --- Chrome/Firefox ---
driver.execute_script("arguments[0].scrollIntoView(true);", menu)