It gives you instant dark themes for every website. AFAIK it doesn't rely on custom users CSS like Stylish does, but it applies some CSS color inversion techniques that automatically produces incredibly good results for ANY website.
But I'm now a victim of those damn white flashes between every new page loads on Chrome. Actually I noticed these white flashes long before using this extension, as I think many of you did, but since you normally alternate between natively clear and dark-themed websites, this was somewhat more bearable (no white flash if next pages has a white background).
Is there a solution to this?