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Author: jyash97

content/docs/faq-styling.md

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 CSS-in-JS refers to a pattern where CSS is written with Javascript, then extracted into a stylesheet.
 
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 [Comparison of CSS-in-JS Libraries](https://github.com/MicheleBertoli/css-in-js)
 
 _Note that this functionality is not a part of React, but provided by third-party libraries._ React does not have an opinion about how styles are defined; if in doubt, define your styles in a separate `*.css` file and refer them using `className`.
 
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 ### Can I do animations in React?
 
 React can be used to power animations. See [React Transition Group](https://reactcommunity.org/react-transition-group/) and [React Motion](https://github.com/chenglou/react-motion), for example.