wowjs

popular js Styles
Reveal CSS animation as you scroll down a page. By default, you can use it to trigger [animate.css](https://github.com/daneden/animate.css) animations. But you can easily change the settings to your favorite animation library.
Version 1.1.3
No default CSS file set by the package author so the URL is guessed. You can always browse all package files to use another one.