|User since||Aug. 27, 2014|
|Number of add-ons developed||2 themes|
|Average rating of developer's add-ons||Not yet rated|
Rated 2 out of 5 stars
Hi! I tried twice your add-on, but doesn't work for me in both links:
I also use newest version of Firefox on Windows 8.1 x64.
It worked for me too! Rated 5 out of 5 stars
I don't know what's happening with people who says it doesn't work, but it worked fine for me.