What does `font: 110%/1.4 system-ui` mean?

Parallax is a pattern in which different elements of a webpage move at varying speeds as the user scrolls, creating a three-dimensional, layered appearance. It once required JavaScript. Now we have

Today, I want to discuss a couple of patterns for naming color palettes that the community is using, and how I propose we can improve, so we achieve both flexibility and beauty.

Is there a way to build demos that do not break when the services they rely on fail? How can we ensure educational demos stay available for as long as possible?

I went on to figure out how make masonry work today with other browsers. I'm happy to report I've found a way — and, bonus! — that support can be provided with only 66 lines of JavaScript.

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Do we invent or discover CSS tricks? Lee Meyer discusses how creative limitations, recursive thinking, and unexpected combinations lead to his most interesting ideas.

Brad Frost introduced the “Atomic Design” concept wayyyy back in 2013. He even

Chrome 139 is experimenting with Open UI’s proposed Interest Invoker API, which would be used to create tooltips, hover menus, hover cards, quick actions, and other types of UIs for showing more in