耗资源太大，手机端大一些的页面，会造成火狐无响应。不如Dark Background and Light Text好用。

This addon is awesome. I don't know how people can live in the world of white without this addon! Only complaint is that it doesn't seem to work on linkedin.com and in not-to-frequent cases it will change the background to a patterned gray/white dot background.

Take too much resource on some website