diff --git a/firefox/userChrome.css b/firefox/userChrome.css
new file mode 100644
index 0000000..c74113d
--- /dev/null
+++ b/firefox/userChrome.css
@@ -0,0 +1,7 @@
+#main-window[tabsintitlebar="true"]:not([extradragspace="true"]) #TabsToolbar > .toolbar-items {
+  opacity: 0;
+  pointer-events: none;
+}
+#main-window:not([tabsintitlebar="true"]) #TabsToolbar {
+    visibility: collapse !important;
+}
\ No newline at end of file