CSS Custom Properties (aka Variables) is a big win for front-end developers. It brings the power of variables to CSS, which results in less repetition, better readability and more flexibility. Plus, unlike variables from CSS preprocessors, CSS Variables are actually a part of the DOM, which has a lot of benefits.

The course contains eight interactive screencasts. All are short and to the point. At the end of most of them, the instructor asks you to solve a challenge, directly in the screencast window. This is a great way of making sure the knowledge sticks, and you'll get to check if your solution matches the instructors.

What you'll learn:

Fundamentals of CSS Variables

Local variables and overriding

Creating themes with variables

Changing variables with JavaScript

Responsiveness with CSS Variables

... and more!

You can follow the course creator Per Harald Borgen on Twitter here.

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