|User since||December 3, 2012|
|Number of add-ons developed||0 add-ons|
|Average rating of developer's add-ons||Not yet rated|
Bug! Answer... Rated 5 out of 5 stars
Same Problem here but it is not the Style, in my case, it is TabMix Plus who produces this Bug.
I installed FF from scrach, did a new profile, installed FT DeepDark - all okay - installed TabMix Plus - boom - Bug like yours...