SMRTR ProgrammingOct 14, 2025Daily.dev

css-extras: Useful CSS custom functions using the new @​function rule

SMRTR summary

A new CSS library called css-extras provides about 50 ready-to-use custom functions that work with Chrome's new native @function rule, covering areas like math, colors, typography, and responsive layouts without requiring any build tools. Currently only supported in Chrome 141+, these functions enable developers to create more dynamic CSS by copy-pasting needed functions directly into their projects.

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