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.

Get Mastering CSS now with the O’Reilly learning platform.

O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.