Learn CSS Variables

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.