diff --git a/config/Style.nix b/config/Style.nix
index e8f2213..59a95c4 100644
--- a/config/Style.nix
+++ b/config/Style.nix
@@ -1,10 +1,11 @@
-{ lib, config, ... }: with lib; let
+{ lib, config, pkgs, __findFile, ... }: with lib; let
 	cfg = config.style;
 
 	mkTypeOption  = default: type: mkOption { inherit default type; };
 	mkStrOption   = default: mkTypeOption default types.str;
 	mkIntOption   = default: mkTypeOption default types.int;
 	mkFloatOption = default: mkTypeOption default types.float;
+	mkPkgOption   = default: mkTypeOption default types.package;
 in {
 	options.style = {
 		color = {
@@ -61,24 +62,42 @@ in {
 		};
 
 		font = {
-			emoji.name     = mkStrOption config.stylix.fonts.emoji.name;
-			monospace.name = mkStrOption config.stylix.fonts.monospace.name;
-			sansSerif.name = mkStrOption config.stylix.fonts.sansSerif.name;
-			serif.name     = mkStrOption config.stylix.fonts.serif.name;
 			size = {
-				terminal    = mkIntOption config.stylix.fonts.sizes.terminal;
-				popup       = mkIntOption config.stylix.fonts.sizes.popups;
-				application = mkIntOption config.stylix.fonts.sizes.applications;
-				desktop     = mkIntOption config.stylix.fonts.sizes.desktop;
+				application = mkIntOption 12;
+				terminal    = mkIntOption 14;
+				popup       = mkIntOption 12;
+				desktop     = mkIntOption 14;
+			};
+			serif = {
+				package = mkPkgOption (pkgs.callPackage <package/applefont> {});
+				name    = mkStrOption "SF Pro Display";
+			};
+			sansSerif = {
+				package = mkPkgOption (pkgs.callPackage <package/applefont> {});
+				name    = mkStrOption "SF Pro Display";
+			};
+			monospace = {
+				package = mkPkgOption (pkgs.nerdfonts.override { fonts = [ "Terminus" ]; });
+				name    = mkStrOption "Terminess Nerd Font Mono";
+			};
+			emoji = {
+				package = mkPkgOption pkgs.noto-fonts-emoji;
+				name    = mkStrOption "Noto Color Emoji";
 			};
 		};
 
 		opacity = {
-			application = mkFloatOption config.stylix.opacity.applications;
-			desktop     = mkFloatOption config.stylix.opacity.desktop;
-			popup       = mkFloatOption config.stylix.opacity.popups;
-			terminal    = mkFloatOption config.stylix.opacity.terminal;
-			hex = mkStrOption "D9";
+			application = mkFloatOption 0.85;
+			desktop     = mkFloatOption 0.85;
+			popup       = mkFloatOption 0.85;
+			terminal    = mkFloatOption 0.85;
+			hex         = mkStrOption "D9";
+		};
+
+		cursor = {
+			name    = mkStrOption "Adwaita";
+			package = mkPkgOption pkgs.gnome3.adwaita-icon-theme;
+			size    = mkIntOption 14;
 		};
 
 		window = {
diff --git a/config/Stylix.nix b/config/Stylix.nix
index 2015b9d..1f62b50 100644
--- a/config/Stylix.nix
+++ b/config/Stylix.nix
@@ -4,40 +4,20 @@
 		image      = config.module.wallpaper.path;
 		autoEnable = true;
 		polarity   = "dark";
-		opacity = {
-			applications = 0.85;
-			terminal     = 0.85;
-			popups       = 0.85;
-			desktop      = 0.85;
-		};
-		cursor = {
-			name    = "Adwaita";
-			package = pkgs.gnome3.adwaita-icon-theme;
-			size    = 14;
-		};
-		fonts = let
-			serif = {
-				package = (pkgs.callPackage <package/applefont> {});
-				name    = "SF Pro Display";
-			};
-		in {
-			inherit serif;
+		fonts = {
+			inherit (config.style.font) serif sansSerif monospace emoji;
 			sizes = {
-				applications = 12;
-				terminal     = 14;
-				popups       = 12;
-				desktop      = 14;
-			};
-			sansSerif = serif;
-			monospace = {
-				package = (pkgs.nerdfonts.override { fonts = [ "Terminus" ]; });
-				name    = "Terminess Nerd Font Mono";
-			};
-			emoji = {
-				package = pkgs.noto-fonts-emoji;
-				name = "Noto Color Emoji";
+				inherit (config.style.font.size) terminal desktop;
+				popups       = config.style.font.size.popup;
+				applications = config.style.font.size.application;
 			};
 		};
+		opacity = {
+			inherit (config.style.opacity) desktop terminal;
+			applications = config.style.opacity.application;
+			popups       = config.style.opacity.popups;
+		};
+		inherit (config.style) cursor;
 		override = if config.module.wallpaper.forceContrastText then {
 			base04 = "000000";
 			base05 = "ffffff";
diff --git a/flake.nix b/flake.nix
index 40ab3e8..91cbb39 100644
--- a/flake.nix
+++ b/flake.nix
@@ -298,11 +298,12 @@
 		];
 
 		# Android.
-		nixOnDroidConfigurations.default = nix-on-droid.lib.nixOnDroidConfiguration {
-			modules = let
-				lib    = nixpkgs.lib;
-				config = self.nixOnDroidConfigurations.default.config;
-			in [
+		nixOnDroidConfigurations.default = let
+			config = self.nixOnDroidConfigurations.default.config;
+			lib    = nixpkgs.lib;
+			pkgs   = nixpkgs.legacyPackages."aarch64-linux".pkgs;
+		in nix-on-droid.lib.nixOnDroidConfiguration {
+			modules = [
 				# Android release version.
 				{ system.stateVersion = self.const.droidStateVersion; }
 
@@ -318,15 +319,15 @@
 				# Some common modules.
 				./config/Setting.nix
 				./config/Wallpaper.nix
-				(import ./config/Style.nix { inherit lib; inherit (config.home-manager) config; })
+				(import ./config/Style.nix {
+					inherit (config.home-manager) config;
+					inherit (self) __findFile;
+					inherit lib pkgs;
+				})
 			];
 
 			# SpecialArgs allows you to pass objects down to other configuration.
-			extraSpecialArgs = let
-				# We want arm64 packages for Android.
-				pkgs = nixpkgs.legacyPackages."aarch64-linux".pkgs;
-				lib  = nixpkgs.lib;
-			in {
+			extraSpecialArgs = {
 				inherit inputs self;
 				inherit (self) const __findFile;
 
diff --git a/home/Android.nix b/home/Android.nix
index 50bff90..e1e1123 100644
--- a/home/Android.nix
+++ b/home/Android.nix
@@ -34,9 +34,7 @@ in {
 					".termux/_colors.properties".text = android.colors;
 				};
 			};
-			# ISSUE: Firefox causes inf rec for some reason.
-			# programs = import ./program args;
-			programs = (import ./program args) // { firefox = {}; };
+			programs = import ./program args;
 		};
 	};
 }
diff --git a/module/AutoUpdateSigned.nix b/module/AutoUpdateSigned.nix
index a08d5f9..df97668 100644
--- a/module/AutoUpdateSigned.nix
+++ b/module/AutoUpdateSigned.nix
@@ -2,7 +2,7 @@
 # This is a systemd service that pulls updates every hour.
 # Unlike system.autoUpgrade, this script also verifies my git signature
 # to prevent unathorized changes to hosts.
-{ const, pkgs, lib, util, config, ... }: with lib; let
+{ const, pkgs, lib, util, config, secret, ... }: with lib; let
 	cfg = config.module.autoupdate;
 in {
 	options = {
@@ -12,6 +12,13 @@ in {
 	};
 
 	config = mkIf cfg.enable {
+		programs.git = {
+			enable = true;
+			config = {
+				gpg.ssh.allowedSignersFile = toString secret.crypto.sign.git.allowed;
+			};
+		};
+
 		systemd.services.autoupdate = util.mkStaticSystemdService {
 			enable      = true;
 			description = "Signed system auto-update.";