The code remains the same, the only thing that has changed is the external .css file. Yes, really ... but follow the listed links to learn more, and use the sample files as a guide. Why participate?

But you don’t need to use it, and your sites can still look good without it. How Do CSS and HTML Work Together? If you ...

As you tweak these widgets, the accompanying CSS adjusts to match, and you’ll see the effect in real time on a sample component ... explains each part of the code examples as he goes, and ...