 (defun ar/setup-graphical-display ()
   "Setup graphical display."
   (when (window-system)
+    (toggle-frame-fullscreen)
     (ar/setup-graphical-fringe)
     (ar/setup-graphical-fonts)
     (ar/setup-graphical-mode-line)))

(set-cursor-color "#FA009A")

;; Hide UI.
;; Keep menu bar under graphical OS X for fullscreen.
(unless (window-system)
  (menu-bar-mode -1))
(when (fboundp 'toggle-scroll-bar)
  (toggle-scroll-bar -1))
(when (fboundp 'tool-bar-mode)

(defun ar/init-for-osx ()
  "Perform initializations for Mac OS X."
  (when (ar/osxp)
    ;; Keep menu bar under graphical OS X for fullscreen.
    (when (window-system)
      (menu-bar-mode 1))
    ;; Sets the command (Apple) key as Meta.
    (setq mac-command-modifier 'meta)
    ;; Sets the option (Apple) key also as Meta.
