diff --git a/dotfiles-old/.config/i3/config b/dotfiles-old/.config/i3/config
index fba03ec..ce767b2 100644
--- a/dotfiles-old/.config/i3/config
+++ b/dotfiles-old/.config/i3/config
@@ -37,16 +37,31 @@ font pango:unscii 12
 #exec --no-startup-id exec tint2
 
 # Use pactl to adjust volume in PulseAudio.
-bindsym XF86AudioRaiseVolume exec --no-startup-id pactl -- set-sink-volume @DEFAULT_SINK@ +5% #increase sound volume
-bindsym XF86AudioLowerVolume exec --no-startup-id pactl -- set-sink-volume @DEFAULT_SINK@ -5% #decrease sound volume
-bindsym XF86AudioMute exec --no-startup-id pactl -- set-sink-mute @DEFAULT_SINK@ toggle # mute sound
+
+## increase sound volume
+bindsym XF86AudioRaiseVolume exec --no-startup-id pactl -- set-sink-volume @DEFAULT_SINK@ +5%
+
+## decrease sound volume
+bindsym XF86AudioLowerVolume exec --no-startup-id pactl -- set-sink-volume @DEFAULT_SINK@ -5%
+
+## mute output
+bindsym XF86AudioMute exec --no-startup-id pactl -- set-sink-mute @DEFAULT_SINK@ toggle
+bindsym $mod+m exec --no-startup-id pactl -- set-sink-mute @DEFAULT_SINK@ toggle
+
+## mute input
 bindsym XF86AudioMicMute exec --no-startup-id pactl set-source-mute @DEFAULT_SOURCE@ toggle && $refresh_i3status
+bindsym $mod+Shift+m exec --no-startup-id pactl set-source-mute @DEFAULT_SOURCE@ toggle && $refresh_i3status
 
 # Use amixer to adjust volume in PulseAudio. (not as good as pactl)
 #bindsym XF86AudioMute exec amixer sset 'Master' toggle
 #bindsym XF86AudioLowerVolume exec amixer sset 'Master' 5%-
 #bindsym XF86AudioRaiseVolume exec amixer sset 'Master' 5%+
 
+# Screen brightness
+# cred 4 https://github.com/patrickbolle/dotfiles/
+bindsym $mod+equal exec light -A 5 && notify-send --expire-time=20 "LCD Backlight $(printf %.0f%% $(light -G))"
+bindsym $mod+minus exec light -U 5 && notify-send --expire-time=20 "LCD Backlight $(printf %.0f%% $(light -G))"
+
 # Use Mouse+$mod to drag floating windows to their wanted position
 floating_modifier $mod
 
@@ -254,4 +269,4 @@ gaps vertical 10
 gaps top 10
 gaps right 10
 gaps bottom 10
-gaps left 10
\ No newline at end of file
+gaps left 10