James Britt <james_b / neurogami.com> wrote:
> 
> First, an OT question: Is there a Firefox extension that lets me 
> *quickly* disable/enable page colors?  I know I can do this via the Web 
> dev tool bar stuff, but it's too many clicks, and sites with white text 
> on a dark background (hip as that may be) are so painful to look at I 
> get retina burn before I can finish all that clicking.

I use a bookmarklet in my bookmarks toolbar for this.

http://www.squarefree.com/bookmarklets/zap.html

martin