Good CSS animations
I like the CSS animations by Yusuke Nakaya at ' codepen.io/YusukeNakaya '. I have changed two to use JavasScript for the random bits rather than a CSS pre-processor. They are the 'Paper Birds' and 'Birds' at: ' codepen.io/Bert-Beckwith '. I use these as background animations for my game. I learn about CSS as I change them There are more tips at: bbingo.xyz/techtips/