Change hover colour sub-menu

Hi there I want to change the hover of the sub-menus when they drop down, eg under Specialist Partners on our site. I want the hover to be the same as when hovering over the main menu. I know I'll probably need some CSS for this, but it's probably worth adding as an update in the next version to do it through the Theme Options. http://www.tefc.co.uk/ Thanks Richie