@ -42,13 +42,10 @@ CSS classes are generally more efficient than inline styles.
CSS-in-JS refers to a pattern where CSS is written with Javascript, then extracted into a stylesheet.
[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`.
### 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.