https://css-tricks.com/snippets/css/shake-css-keyframe-animation/
https://codepen.io/Inderpreet23/pen/rLzbLk
https://codepen.io/tedmcdo/pen/PqxKXg
https://codepen.io/shshaw/pen/Wyoomm
https://yusugomori.com/
https://csspeeper.com/
https://blotter.js.org/
http://school.readymag.com/
https://codepen.io/nathantaylor/details/woKbqX/
https://codepen.io/saraharaya/pen/NpwdGv
https://codepen.io/kathykato/pen/NgdRxN
https://codepen.io/maximelafarie/pen/vZadEb/