 
   ;; F5
   (general-define-key
-   :states '(normal visual insert emacs)
    :prefix "<f5>"
     "f"      #'toggle-frame-fullscreen
     "h"      #'global-hl-line-mode


  ;; F4
  (general-define-key
   :states '(normal visual insert emacs)
   :prefix "<f4>"
    "a"     #'helm-apropos
    "b"     #'helm-all-mark-rings


  ;; F7
  (general-define-key
   :prefix "<f7>"
    "a"     #'magit-run-git-gui-blame
    "b"     #'magit-blame
