almost perfect Rated 4 out of 5 stars

It doesn't play nice with the page title addons because doesn't paint the separation line between the domain and the title (https://addons.mozilla.org/en-US/firefox/addon/page-title/?src=api).
Your fxopera works with this addon right

This review is for a previous version of the add-on (1.3.4). 

Gorgeous, but ... Rated 5 out of 5 stars

how could I get the orange app button back? it's firefox personality

This review is for a previous version of the add-on (1.2.5). 

Rated 5 out of 5 stars

The only but in my case is that I use a white color for windows 8 and the tabs without focus look the same as the one with, so that sometimes I close one tab I don`t want. Anyway, I'm loving it.

This review is for a previous version of the add-on (1.1.1). 

firefox 23 Rated 5 out of 5 stars

Please, update this theme to work on firefox 23. Today update's broken it.

This review is for a previous version of the add-on (1.1.1). 

ok
https://addons.mozilla.org/en-us/firefox/addon/mx4/versions/

Rated 5 out of 5 stars

It's so cool

This review is for a previous version of the add-on (1.1.1).