diff --git a/tmux/.tmux.conf b/tmux/.tmux.conf
index dbb32db..ffc8221 100755
--- a/tmux/.tmux.conf
+++ b/tmux/.tmux.conf
@@ -38,8 +38,24 @@ set -g status-interval 30
 set -g status-left "#[fg=$thm_green]Session #S #[fg=$thm_black4]▶ #[fg=$thm_magenta]Pane #I #[fg=$thm_black4]▶ #[fg=$thm_yellow]Window #P #[fg=$thm_black4]| #[fg=$thm_red]"
 set -g status-bg $thm_gray
 set -g status-fg $thm_orange
+
+# Set bg color of active window
+set -g window-active-style bg=$thm_gray
+
 set-window-option -g window-status-current-style bg=$thm_black4
 # set -g status-right "#(battery -t) #[fg=cyan] %d %b %R "
 set -g message-style fg=$thm_black4,bold,bg=$thm_green
 set -g pane-border-style fg=$thm_$thm_black4,bg=$thm_black
 set -g pane-active-border-style fg=$thm_yellow,bg=$thm_black
+
+################################################################################
+#
+# Copy mode (vi)
+#
+#  Ctrl + [ to enter tmux vi copy mode
+# Move around with vim navigation keys
+# Begin highlight with Space
+# Copy with Enter
+# Paste with Ctrl + ]
+################################################################################
+set-window-option -g mode-keys vi