Question about color menu

Ηi,I want to have a color the menu.
For example,the color background "item-1" is red.

(capi:define-interface test ()
  ()
  (:menu-bar menu-1)
  (:menus
   (menu-1
    "Menu-1"
    ("Item-1"
     "Item-2"
     "Item-3"
     "Item-4")))
  (:default-initargs
   :best-height 280
   :best-width 300
   :title "TEST"))