A *genuine* expert on fold out submenus needed!

Looking for some adjustments to me made to an existing menu, so that for example, the existing 3 fold out submenus would have exactly 10px space above them to the top of the viewers screen There's a few other adjustments as well, and more details would be given in the initial answers to bids, but suffice it to say, PLEASE only bid if you've personally had experience of coding vertical menus with fold out sub menus. Thanks. Chris.