How to create awesome staggered animations in CSS
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Modern CSS now supports staggered animations natively using the sibling-index() and sibling-count() functions, eliminating the need for preprocessors or JavaScript hacks. The post walks through building ascending and descending staggered animations with animation-delay calculated via sibling-index(), explains overlapping vs. sequential timing, and shows practical examples like hero sections and chat-style text reveals. It also covers when JavaScript is still needed (interactive state changes, exit animations), how to write @supports fallbacks for browsers lacking sibling-index() support, and how to respect user preferences with the prefers-reduced-motion media query. Browser support currently covers ~75% of browsers (Chromium and Safari).
Table of contents
What is a staggered animation?Why use staggered animations?Anatomy of a staggered animationOver 200k developers use LogRocket to create better digital experiencesOverlappingDirection of staggeringExamples of staggered animationsWhen do we need some JavaScript for staggered animations?Providing a fallback when sibling - index () is not supportedAccessibility considerationsBrowser supportFinal wordIs your frontend hogging your users' CPU?147.4K Impressions2 Comments