     (define-key m [f6] 'recompile)))
 
 (add-hook 'prog-mode-hook 'ar/prog-mode-hook)
+
+;; Set font face height. Value is 1/10pt.
+(set-face-attribute 'default nil :height 180)

    (defun new-browser-tab ()
      "Open a new browser tab in the default browser."
      (interactive)
      (shell-command "open http://google.com")
      ))
 ((string-equal system-type "gnu/linux") ; Linux
    (defun new-browser-tab ()
      "Open a new browser tab in the default browser."

  :ensure git-gutter)
(global-git-gutter-mode +1)
(git-gutter:linum-setup)
(global-set-key (kbd "C-c <up>") 'git-gutter:previous-hunk)
(global-set-key (kbd "C-c <down>") 'git-gutter:next-hunk)

;; Handy pop-up messages with git info.
(use-package git-messenger
