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There are some real advantages to variable scope and evaluation scope that you get with @function in CSS.

Here’s a brand new approach to creating staggered animations in CSS using a single progress value, allowing for smooth linkage to various inputs like scrolling. By utilizing a mathematical formula, it enhances control over animated elements without isolating their timelines, making animations more versatile and scrubbable.

If you thought 2024 was packed with amazing new CSS, well, you’re right. But so is 2025 and it keeps looking bright. Check out our list of the best stuff with easy-to-reference examples.

There are usually multiple ways to do the same thing on the web. Sometimes… a lot of ways. Which is “better” can be a matter of taste or which abstraction buys the most value. Check out this CSS example and see which you prefer.