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CSSRulePlugin

| GreenSock
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Allows GSAP to animate the raw style sheet rules which affect all objects of a particular selector rather than affecting an individual DOM element's style (that's what the CSSPlugin is for).

For example, if you have a CSS class named ".myClass" that sets background-color to "#FF0000", you could tween that to a different color and ALL of the objects on the page that use ".myClass" would have their background color change. Typically it is best to use the regular CSSPlugin to animate css-related properties of individual elements so that you can get very precise control over each object, but sometimes it can be useful to tween the global rules themselves instead. For example, pseudo elements (like :after, :before, etc. are impossible to reference directly in JavaScript, but you can animate them using CSSRulePlugin as shown below.

See the Pen CSSRulePlugin by GreenSock (@GreenSock) on CodePen.

Learn more in the CSSRulePlugin documentation. To learn how to include the CSSRulePlugin into your project, see the GSAP install docs.

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GreenSock test

GreenSock 19,464 Likes (Superhero)

Posted

And for the record, yes, CSSRulePlugin is definitely in the NPM package. 

import CSSRulePlugin from "gsap/CSSRulePlugin";

But these days, it's almost always cleaner to just use CSS variables. Every modern browser supports them and GSAP can easily animate them.

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