Hi @artf, I have added the let cc = editor.CssComposer; cc.setRule('.fadetop-animate', { opacity: 0, 'animation-name': 'fadeTop' }, { atRuleType: 'keyframes', atRuleParams: 'fadeTop', selector: 'to', style:{ opacity: 1 } }); as per the Document [](https://grapesjs.com/docs/api/css_composer.html#setrule) however rule for keyframes is not getting added to the component. how to add keyframes to the component style?

🤔 How to: @keyframes not adding even after…

Answers (2)

artf• Jul 23, 2021

Use this one

editor. CssComposer.getAll().add(`@keyframes fadeTop { ... }`) // Your CSS string

GJSBlock• May 17, 2026

Thanks for reporting this, @niranjank151. Great question about @keyframes not adding even after i pass the the keyframes object. The recommended approach with StyleManager is to use the event-driven API. Start here: Check the GrapesJS documentation for your specific module Look for the on() event l...

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@keyframes not adding even after i pass the the keyframes object

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Answers (2)

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