add second firefox option that u need to enable

bondikle

README.md

@@ -13,7 +13,8 @@ tested on ff106.0.2/arch/x11/kde.
 
 1. install and set up sidebery, or a similar tab management tool. these tweaks remove the default tab bar,
    so you'll need something like this
-2. go to about:config, enable `browser.tabs.drawInTitlebar`
+2. go to about:config, enable `browser.tabs.drawInTitlebar` and
+   `toolkit.legacyUserProfileCustomizations.stylesheets`
 3. figure out where your profile and install directories are.
    open up about:support and find the profile directory and application binary points. they're near the top.  
    ![screenshot of about:support](readme-img/about_support.png)