This is a button that I came across on wickret.cuberto.com and thought there might be some landing pages where you want the visitors to notice the CTA button, it’s a bit over the top but it can work in certain cases. The colours on the button are inverted on hover.

If you are having trouble with the pen, try the archived copy on GitHub

See the Pen
button
by Saijo George (@SaijoGeorge)
on CodePen.