No Blue Background Rated 5 out of 5 stars

I want FXChrome to look like Google Chrome or like Chromifox Basic - is there a simple switch/configuration option/file to edit to make it possible? Tabs must be light blue.

I do not want to install Stylish, I'd prefer to edit userChrome.css

This review is for a previous version of the add-on (25.3).  This user has other reviews of this add-on.