A fancy grid layout with hover animation designed by Gennadi Debbaut. It uses the Web Animations API, the origin of the circle is a random set of coordinates inside the box. The circle will always be as small as possible to fully cover the box.
If you are having trouble with the pen, try the archived copy on GitHub
Colour Changing Grid On Hover Snippet
See the Pen Web Animation API, Hover animation by Gennadi Debbaut (@GennadiD) on CodePen.0