#+END_SRC
+** Rainbow-delimiter
+
+#+BEGIN_SRC emacs-lisp :tangle yes :results silent
+
+ (use-package rainbow-delimiters
+ :ensure t
+ :init
+ (add-hook 'prog-mode-hook #'rainbow-delimiters-mode))
+
+#+END_SRC
* Org-mode Settings
** Org-mode Basic setting