There are many websites that showcase examples of CSS animation, but here are top 4 CSS Animation websites that are particularly useful and inspiring.

1. Animista

This site allows you to browse and experiment with a variety of CSS animation classes, as well as customize and download the code for your own use.

2. CSS Animation

This site offers a collection of CSS animation examples and tips, as well as information on how to create your own animations.

3. Animate.css

Animate.css is a library of ready-to-use, cross-browser animations for use in your web projects. Great for emphasis, home pages, sliders, and attention-guiding hints.

4. Transition.css

Drop-in CSS transitions(46 pre-built transitions!).