Rated 5 out of 5 stars

People having "Undo Close Button" issue after applying below userstyle , consider my solution :

http://forum.userstyles.org/discussion/32360/firefox-14-navbar-and-tabs-style-from-ff9-f13#Item_1

This review is for a previous version of the add-on (1.1.5).  This user has 2 previous reviews of this add-on.