diff --git a/nix/home-manager/programs/firefox.nix b/nix/home-manager/programs/firefox.nix
index 170c89c..a24cdfe 100644
--- a/nix/home-manager/programs/firefox.nix
+++ b/nix/home-manager/programs/firefox.nix
@@ -18,7 +18,7 @@ let
     auto-tab-discard
 
     # redirector # For nixos wiki
-    darkreader
+    # darkreader
 
     facebook-container
     control-panel-for-twitter
@@ -156,17 +156,41 @@ let
 
         # enable userChrome
         "toolkit.legacyUserProfileCustomizations.stylesheets" = true;
+        "devtools.chrome.enabled" = true;
+        "devtools.debugger.remote-enabled" = true;
+
+        # disable translations for some languages
+        "browser.translations.neverTranslateLanguages" = ["en" "de"];
+        "browser.translations.automaticallyPopup" = false;
+
+
       };
 
       userChrome =
         let
           name = override.color or colors.grey;
           value = colorValues."${name}".normal;
-          valueBright = colorValues."${name}".bright;
-          valueDark = colorValues."${name}".dark;
+          valueBright = colorValues."${name}".highlight;
+          valueDark = colorValues."${name}".inactive;
         in
         ''
-          /* TODO: set regular toolbar background color */
+          @namespace url("http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"); /* only needed once */
+
+          #nav-bar {
+            background-color: ${value} !important;
+            color: black !important;
+          }
+
+          /* don't show close button on background tabs */
+          #tabbrowser-tabs[closebuttons="activetab"] .tabbrowser-tab:not([selected]):not([pinned]):not([hover]) .tab-close-button {
+            display: none !important;
+          }
+
+          /* show close button on hover */
+          #tabbrowser-tabs[closebuttons="activetab"] .tabbrowser-tab:not([selected]):not([pinned]):hover .tab-close-button {
+            display: -moz-inline-box !important;
+          }
+
 
           /* default */
           #TabsToolbar {
@@ -176,11 +200,13 @@ let
           /* default tab */
           #TabsToolbar #tabbrowser-tabs .tabbrowser-tab .tab-content {
             background: ${value} !important;
+            opacity: 0.8
           }
 
           /* selected tab */
           #TabsToolbar #tabbrowser-tabs .tabbrowser-tab[selected] .tab-content {
             background: ${valueBright} !important;
+            box-shadow: 0 8px 16px 0 rgba(0,0,0,0.2), 0 6px 20px 0 rgba(0,0,0,0.19);
           }
 
           /* hovered tab */
@@ -217,54 +243,54 @@ let
 
   colorValues = {
     blue = {
-      normal = "#37adff";
-      bright = "#00acff"; # Brighter blue
-      dark = "#2c8dd3"; # Darker blue
+      normal = "#49b1fc";
+      highlight = "#05a9fc"; # Brighter blue
+      inactive = "#1f81c6"; # Darker blue
     };
     green = {
       normal = "#51cd00";
-      bright = "#5ae200"; # Brighter green
-      dark = "#45ad00"; # Darker green
+      highlight = "#5ae200"; # Brighter green
+      inactive = "#45ad00"; # Darker green
     };
     orange = {
       normal = "#ff9800";
-      bright = "#ffb74d"; # Brighter orange
-      dark = "#c76a00"; # Darker orange
+      highlight = "#ffb74d"; # Brighter orange
+      inactive = "#c76a00"; # Darker orange
     };
     red = {
       normal = "#f6685e";
-      bright = "#ff4336"; # Brighter red
-      dark = "#aa463f"; # Darker red
+      highlight = "#ff4336"; # Brighter red
+      inactive = "#aa463f"; # Darker red
     };
     yellow = {
-      normal = "#ffeb3b";
-      bright = "#fff350"; # Brighter yellow
-      dark = "#c6a700"; # Darker yellow
+      normal = "#fced4b";
+      highlight = "#fce705"; # Brighter yellow
+      inactive = "#dbbe00"; # Darker yellow
     };
     purple = {
       normal = "#9c27b0";
-      bright = "#ab47bc"; # Brighter purple
-      dark = "#7b1fa2"; # Darker purple
+      highlight = "#ab47bc"; # Brighter purple
+      inactive = "#7b1fa2"; # Darker purple
     };
     pink = {
       normal = "#e91e63";
-      bright = "#ff6090"; # Brighter pink
-      dark = "#c2185b"; # Darker pink
+      highlight = "#ff6090"; # Brighter pink
+      inactive = "#c2185b"; # Darker pink
     };
     brown = {
       normal = "#795548";
-      bright = "#a88b6f"; # Brighter brown
-      dark = "#4e3b30"; # Darker brown
+      highlight = "#a88b6f"; # Brighter brown
+      inactive = "#4e3b30"; # Darker brown
     };
     grey = {
       normal = "#9e9e9e";
-      bright = "#bdbdbd"; # Brighter grey
-      dark = "#757575"; # Darker grey
+      highlight = "#bdbdbd"; # Brighter grey
+      inactive = "#757575"; # Darker grey
     };
     teal = {
       normal = "#009688";
-      bright = "#26c6da"; # Brighter teal
-      dark = "#00796b"; # Darker teal
+      highlight = "#26c6da"; # Brighter teal
+      inactive = "#00796b"; # Darker teal
     };
   };
 
@@ -283,32 +309,52 @@ in
         isDefault = true;
         color = colors.blue;
       };
-      "personal-finance" = mkProfile {
+      "comms" = mkProfile {
         id = 1;
-        color = colors.green;
+        color = colors.blue;
       };
-      "business" = mkProfile {
+      "admin" = mkProfile {
         id = 2;
-        color = colors.teal;
+        color = colors.blue;
       };
-      "dev-admin" = mkProfile {
+      "infra" = mkProfile {
         id = 3;
-        color = colors.teal;
+        color = colors.blue;
       };
-      "dev-holo" = mkProfile {
+      "finance" = mkProfile {
         id = 4;
-        color = colors.red;
-      };
-      "dev-infra" = mkProfile {
-        id = 5;
         color = colors.yellow;
       };
-      "justyna" = mkProfile {
+      "business-admin" = mkProfile {
+        id = 5;
+        color = colors.teal;
+      };
+      "business-comms" = mkProfile {
         id = 6;
+        color = colors.teal;
+      };
+      "business-dev" = mkProfile {
+        id = 7;
+        color = colors.teal;
+      };
+      "holo-dev" = mkProfile {
+        id = 8;
+        color = colors.green;
+      };
+      "holo-infra" = mkProfile {
+        id = 9;
+        color = colors.green;
+      };
+      "holo-comms" = mkProfile {
+        id = 10;
+        color = colors.green;
+      };
+      "justyna" = mkProfile {
+        id = 11;
         color = colors.pink;
       };
       "justyna-office" = mkProfile {
-        id = 7;
+        id = 12;
         color = colors.pink;
       };
     };