-bindsym $mod+Left focus left
-bindsym $mod+Down focus down
-bindsym $mod+Up focus up
-bindsym $mod+Right focus right
+bindsym $mod+Left exec xbacklight -dec 5
+bindsym $mod+Down exec amixer set Master 5- && kill -n 10 `pidof i3status`
+bindsym $mod+Up exec amixer set Master 5+ && kill -n 10 `pidof i3status`
+bindsym $mod+Right exec xbacklight -inc 5