Learn CSS transitions, animations, custom properties, data attributes, choreography, animation states, layout animations, and reactive animations with a little bit of javascript.

UI animations play an important role for web apps and websites in improving the user experience. But creating animations can be difficult, or done excessively. Learn CSS animation basics and transition to advanced concepts like orchestration and choreography. Techniques you'll learn: CSS transitions, animations, custom properties, data attributes, choreography, animation states, layout animations, and reactive animations with a little bit of javascript.

https://frontendmasters.com/courses/css-animations/