diff --git a/hosts/lars/default.nix b/hosts/lars/default.nix
index 71b892e..0cb39a8 100644
--- a/hosts/lars/default.nix
+++ b/hosts/lars/default.nix
@@ -20,7 +20,7 @@
           vesktop.enable = true;
           btop.enable = true;
           mpv.enable = true;
-          schizofox.enable = true;
+          schizofox.enable = false;
 
           zsh = {
               enable = true;
@@ -46,7 +46,11 @@
 	    enable = true;
 	    extensions = {
 	      "support@lastpass.com" = {
-	        install_url = "https://addons.mozilla.org/de/firefox/addon/lastpass-password-manager/";
+	        install_url = "https://addons.mozilla.org/firefox/downloads/file/4246455/lastpass_password_manager-4.127.0.1.xpi";
+		installation_mode = "force_installed";
+	      };
+	      "newtaboverride@agenedia.com" = {
+	        install_url = "https://addons.mozilla.org/firefox/downloads/file/4231522/new_tab_override-16.0.0.xpi";
 		installation_mode = "force_installed";
 	      };
 	    };
@@ -65,7 +69,7 @@
               size = 24;
           };
           gtk = {
-              enable = false;
+              enable = true;
               package = pkgs.catppuccin-gtk;
               name = "Catppuccin-Mocha-Standard-Green-Dark";
               variant = "mocha";
@@ -76,7 +80,7 @@
               };
           };
           qt = {
-            enable = false;
+            enable = true;
             package = pkgs.catppuccin-kde;
             name = "Catppuccin-Mocha-Dark";
             variant = "mocha";
diff --git a/modules/gui/firefox.nix b/modules/gui/firefox.nix
index 06125cd..07704ca 100644
--- a/modules/gui/firefox.nix
+++ b/modules/gui/firefox.nix
@@ -16,7 +16,41 @@ in {
     home-manager.users.${username} = {
       programs.firefox = {
         enable = true;
+
 	policies = {
+	DisableTelemetry = true;
+        DisableFirefoxStudies = true;
+        EnableTrackingProtection = {
+          Value= true;
+          Locked = true;
+          Cryptomining = true;
+          Fingerprinting = true;
+        };
+        DisablePocket = true;
+        DisableFirefoxAccounts = true;
+        DisableAccounts = true;
+        DisableFirefoxScreenshots = true;
+        OverrideFirstRunPage = "";
+        OverridePostUpdatePage = "";
+        DontCheckDefaultBrowser = true;
+        DisplayBookmarksToolbar = "never"; # alternatives: "always" or "newtab"
+        DisplayMenuBar = "default-off"; # alternatives: "always", "never" or "default-on"
+        SearchBar = "unified"; # alternative: "separate"
+	FirefoxSuggest = {
+	  WebSuggestions = true;
+	  ImproveSuggest = true;
+	  Locked = true;
+	};
+	SearchSuggestEnabled = true;
+	theme = {
+	  colors = {
+	    background-darker = "181825";
+	    background = "1e1e2e";
+	    foreground = "cdd6f4";
+	  };
+	};
+
+	  font = "Lexend";
 	  ExtensionSettings = lib.mkMerge [{
 	    "uBlock0@raymondhill.net" = {
               install_url = "https://addons.mozilla.org/firefox/downloads/latest/ublock-origin/latest.xpi";