-bindsym XF86MonBrightnessUp exec xbacklight -inc 5
-bindsym XF86MonBrightnessDown exec xbacklight -dec 5
-bindsym XF86AudioMute exec xbacklight -dec 5
-bindsym XF86AudioLowerVolume exec xbacklight -dec 5
-bindsym XF86AudioRaiseVolume exec xbacklight -dec 5
+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%+