Add triangle before submenu using css

Question

How can i add triangle to the following example Fiddle

I need to remove the parent menu with white background and show triangle to to make it look more like this<

Answer 1

I have tried something by adding extra .arrow_div ans apply css to it, check menuone you will see black arrow, may be this you looking for, better suggestion have a background image which have arrow and set it as you menudiv background

SAMPLE DEMO