Is good, but unfortunately is changing themes of Firefox.

This is exactly what I've been looking for,thanks.

It break itself when its not active it inverts colors and looks awful,its broken.
(note:it was on chrome)
It is super slow.

Changes the feel completely. Can't live without it. #Dark_Forever

Looks so good on stack overflow. TY!

Das beste Add-On dieser Art, aber leider im Firefox kein Sync mit dem Konto, nur beim Chrome gibt es das :(

geilstes addon für firefox 10* ++

Great add-on! It calms my eyes. Thanks for this add-on!