Last time we discussed in-browser XML document editing driven by XSLT. Today, we take a step backward to satisfy all of you who are still dealing with documents formatted with Cascading Style Sheets.

I’ve already discussed how you can learn to code for free using languages such as Ruby and JavaScript, but this time we’ll explore an even more basic language that can help to make your websites pop.

Dabblet, created by Lea Verou, is an “interactive playground” for trying out snippets of CSS and HTML code. It uses -prefix-free, so that you won’t have to add any prefixes in your CSS code, and you ...