A useful web design tool for making sure that color choices don't reduce contrast below acceptable levels. Also a sample of an "instacalc" calculator (make your own free calc on the web).
before CSS skills can be expanded to an advanced level, the basics must become instinct to any CSS coder. Develop these habits and you lay a solid foundation to apply advanced CSS techniques.
"XRAY is a bookmarklet for Internet Explorer 6+, and Webkit and Mozilla based browsers (including Safari, Firefox, Camino or Mozilla). Use it to see the box model for any element on any web page."