I was playing around with scroll-driven animations, just searching for all sorts of random things you could do. That’s when I came up with the idea to animate main headings and, using scroll-driven animations, change the headings based on the user’s scroll position.

The shape() function's close and move commands may not be ones you reach for often, but are incredibly useful for certain shapes.

Styling the space between layout items — the gap — has typically required some clever workarounds. But a new CSS feature changes all that with just a few simple CSS properties that make it easy, yet also flexible, to display styled separators between your layout items.

Being the bad boy I am, I don't take Tailwind's default approach to cascade layers as the "best" one. Over a year experimenting with Tailwind and vanilla CSS, I've come across what I believe is a better solution.

Blob, Blob, Blob. What's the most effective way to create blob shapes in CSS? Turns out, as always, there are many. Let's compare them together!

The CSS if() function enables us to use values conditionally, but what exactly does if() do? Let's look at a possible real-world use case.

The CSS if() function was recently implemented in Chrome 137, making it the first instance where we have it supported by a mainstream browser. Let's poke at it a bit at a very high level.

Zell discusses refactoring the Resize, Mutation, and Intersection Observer APIs for easier usage, demonstrating how to implement callback and event listener patterns, while highlighting available options and methods.

An introduction to "Color spaces", "Color models", "Color gamuts," and basically all of the "Color somethings" in CSS.