Generating (and Solving!) Sudokus in CSS

What does it look like to refactor your own code? John Rhea picks apart an old CSS animation he wrote and walks through the thought process of optimizing it.

Okay, nobody is an exaggeration, but have you seen the stats for hwb()? They show a steep decline, and after working a lot on color in the CSS-Tricks almanac, I’ve just been wondering

Along with the version 3.13 release, GSAP, and all its awesome plugins, are now freely available to everyone.

Using scroll shadows, especially for mobile devices, is a subtle bit of UX that Chris has covered before. Geoff covered a newer approach that uses the animation-timeline property. Here

The CSS shape() function recently gained support in both Chromium and WebKit browsers. It's a way of drawing complex shapes when clipping elements with the clip-path prope

The State of Devs survey is now open to participation, and unlike previous surveys it covers everything except code: career, workplace, but also health, hobbies, and more. 

Let’s run through a quick refresher. Image maps date all the way back to HTML 3.2, where, first, server-side maps and then client-side maps defined clickable regions over an image using map and are