diff --git a/.emacs.d/main.el b/.emacs.d/main.el
index 1a69f376..e8f9eca9 100644
--- a/.emacs.d/main.el
+++ b/.emacs.d/main.el
@@ -82,9 +82,12 @@
 ;; Make questions less annoying.
 (defalias 'yes-or-no-p 'y-or-n-p)
 
-;; Print column number.
+;; Print column number in mode line.
 (column-number-mode 1)
 
+;; Print buffer size in mode line.
+(size-indication-mode 1)
+
 ;; Kill whole line including \n.
 (setq kill-whole-line t)
 
@@ -503,6 +506,8 @@ has errors and/or warnings."
  (lambda ()
    (local-set-key (kbd "C-c a") 'dired-toggle-hidden)
    (local-set-key (kbd "C-c h") 'dired-toggle-humansize)
+   ;; (local-set-key (kbd "<left>") 'dired-up-directory)
+   ;; (local-set-key (kbd "<right>") 'dired-find-file)
    (local-set-key (kbd "b") 'dired-up-directory)))
 
 ;; Eshell
diff --git a/.emacs.d/theme.el b/.emacs.d/theme.el
index d5c9671b..09514d5d 100644
--- a/.emacs.d/theme.el
+++ b/.emacs.d/theme.el
@@ -10,8 +10,10 @@
 (set-face-background  'default                     "black" )
 ;; Font size
 (if (fboundp 'tool-bar-mode)
-    (set-face-attribute 'default nil :height 100)
-    (add-to-list 'default-frame-alist '(font . "DejaVu Sans Mono-13")))
+    ;; (set-face-attribute 'default nil :height 100)
+    (add-to-list 'default-frame-alist '(font . "DejaVu Sans Mono-10")))
+(set-face-background 'modeline "white")
+;; (set-face-foreground 'modeline "#000000")
 
 (set-face-foreground  'link                        "#00ffff" )
 (set-face-underline-p 'link                        t)