set-window-option -g mode-keys vi
set-option -g status-keys vi
set-window-option -g utf8 on
-set-window-option -g mode-mouse on # enable mouse
-set -g mouse-select-pane on
+set-window-option -g mode-mouse off # disable mouse
+set -g mouse-select-pane off
set -g default-terminal "screen-256color"
set -g visual-bell off