Rated 5 out of 5 stars

ah ha ha ha ha, no more messing with Accessibar and the zoom function to change text colour and size! this is a heaven sent. I like to read online and the black text on white hurts my eyes. with this i can switch sites to a soothing grey on black and switch back whenever I want, no need to reload the page. I'm in love

This review is for a previous version of the add-on (0.5.9).