-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
+bindsym XF86MonBrightnessUp exec xbacklight -inc 5
+bindsym XF86MonBrightnessDown exec xbacklight -dec 5
+bindsym XF86AudioMute exec amixer -c 1 set Master toggle
+bindsym XF86AudioLowerVolume exec amixer -c 1 set Master 5%-
+bindsym XF86AudioRaiseVolume exec amixer -c 1 set Master 5%+