I don't think there's too much to learn there; it's not really a different model at all. You're still writing your CSS in your text editor like normal. 1. Via

I don't think there's too much to learn there; it's not really a different model at all. You're still writing your CSS in your text editor like normal. 1. Via the debugger you can tweak styles and see feedback in real time. It's just a much faster feedback loop than refreshing the page every time. Then you cut and paste (or save as...) to get the changes back into your source code. 2. You can debug styles. If you are wondering why a particular bit of text is green and bold, it will show you what line of CSS it's inheriting each property from. (And which styles have been overridden)