SMRTR ProgrammingJul 9, 2026LogRocket

How to create awesome staggered animations in CSS

SMRTR summary

Staggered animations — where elements animate sequentially with slight delays — used to require JavaScript or CSS preprocessor hacks. The new CSS functions sibling-index() and sibling-count() make it possible to calculate animation delays natively in CSS. The article walks through ascending and descending stagger patterns, overlapping vs. sequential timing, fallback strategies, and when JavaScript is still needed for exit animations or interaction-driven sequences.

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