Rated 4 out of 5 stars

This is a great resource for me -- sometimes I'm working with so much filler that I just don't want to deal with firebug. Just highlight and right click to see the font, size, class or ID of the text, etc.

Please update this for FF3! I won't last much longer! *sniff*

This review is for a previous version of the add-on (0.5c).