diff --git a/hosts/common/default.nix b/hosts/common/default.nix
index 03c9615..054b69e 100644
--- a/hosts/common/default.nix
+++ b/hosts/common/default.nix
@@ -34,8 +34,8 @@
 
   # Enable sound.
   services.pipewire = {
-	enable = true;
-	pulse.enable = true;
+	  enable = true;
+	  pulse.enable = true;
   };
 
   hardware.opengl.driSupport32Bit = true;
@@ -50,7 +50,7 @@
     isNormalUser = true;
     home = "/home/daniel";
     initialPassword = "password";
-    extraGroups = [ "wheel" "networkmanager" "docker" ];
+    extraGroups = [ "wheel" "networkmanager" "docker" "video" ];
     shell = pkgs.zsh;
   };
 
diff --git a/hosts/pingbox/configuration.nix b/hosts/pingbox/configuration.nix
index 9b14f3b..2f7d033 100644
--- a/hosts/pingbox/configuration.nix
+++ b/hosts/pingbox/configuration.nix
@@ -17,6 +17,8 @@
     powertop.enable = true;
   };
 
+  hardware.acpilight.enable = true;
+
   networking = {
     hostName = "pingbox";
     interfaces.wlp170s0.useDHCP = true;
diff --git a/user/daniel/home.nix b/user/daniel/home.nix
index 7b3e0fd..bbd1c86 100644
--- a/user/daniel/home.nix
+++ b/user/daniel/home.nix
@@ -75,6 +75,7 @@
 			mpv
 			nerdfonts
 			oh-my-zsh
+			pamixer
 			pavucontrol
 			playerctl
 			(
diff --git a/user/progs/i3/default.nix b/user/progs/i3/default.nix
index da8a8d8..d690124 100644
--- a/user/progs/i3/default.nix
+++ b/user/progs/i3/default.nix
@@ -155,6 +155,15 @@ in {
 					"${mod}+p" = "scratchpad show";
 					"${mod}+Escape" = "exec i3lock -i /home/daniel/wallpapers/lock.png";
 					"${mod}+Shift+Escape" = "exec i3lock -i /home/daniel/wallpapers/lock.png && systemctl suspend";
+
+					"XF86MonBrightnessUp" = "exec xbacklight -inc 10";
+					"XF86MonBrightnessDown" = "exec xbacklight -dec 10";
+					"XF86AudioMute" = "exec pamixer -t";
+					"XF86AudioLowerVolume" = "exec pamixer -d 10";
+					"XF86AudioRaiseVolume" = "exec pamixer -i 10";
+					"XF86AudioPrev" = "exec playerctl previous";
+					"XF86AudioPlay" = "exec playerctl play-pause";
+					"XF86AudioNext" = "exec playerctl next";
 				};
 
 				modifier = mod;