CSS Variables are really cool, and they're incredibly powerful when it comes to React! This tutorial shows how we can use them with React to create dynamic themes. We'll see how to get the most out of CSS-in-JS tools like styled-components, and how our mental frame around media queries has been wrong all along.
There are way too many options in Web Animations API to pick them up that easily. Learning how timing works and how to control the playback of several animations at once makes for a solid foundation on which to base your projects on.