Rated 3 out of 5 stars

Yes, the beta version works in 4.0b7, but it also breaks Update. In fact, on that date, you should have already been on 4.0b8

This review is for a previous version of the add-on (1.0.11). 

Style updates

Style updates via Firefox's Add-ons page should be working with the latest beta available at https://addons.mozilla.org/en-US/firefox/addon/2108/versions/