The next steps

The next logical progression when learning CSS is moving to a CSS preprocessor, like Sass or Less. CSS preprocessors allow you to write CSS using programming features like nesting, imports, variables, and mixins that get compiled down to regular CSS. Another logical step in front end development is learning JavaScript. First though, let's talk about the CSS preprocessor, Sass.

CSS preprocessors

I've used both Less and Sass, but I've been using Sass for a while now. When I started to create the course materials for this book I had almost forgotten what it was like to write CSS without Sass. Needless to say, writing CSS is much easier using Sass. It keeps your code much more organized and clean...