A real piece of art! Rated 4 out of 5 stars

Stratiform is a must have add-on if you want to quickly customize firefox without restarting (besides that one time when you install the addon). With all the styles you can choose and customize, this addon won't feel old anytime soon! Like everything, nothing is perfect. Performance is a bit slower, and the tabs customization aren't perfect. The tabs seem to cut into the navigation toolbar when you select a style other then the default. This addon is nothing short of amazing.

This review is for a previous version of the add-on (2.1.1).