-bindsym XF86MonBrightnessUp exec xbacklight -inc 10
-bindsym XF86MonBrightnessDown exec xbacklight -dec 10
-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%+
+bindsym XF86MonBrightnessUp exec xbacklight -inc 5
+bindsym XF86MonBrightnessDown exec xbacklight -dec 5
+bindsym XF86AudioMute exec pactl set-sink-mute @DEFAULT_SINK@ toggle
+bindsym XF86AudioLowerVolume exec pactl set-sink-volume @DEFAULT_SINK@ -5%
+bindsym XF86AudioRaiseVolume exec pactl set-sink-volume @DEFAULT_SINK@ +5%