Today, I’m going to show you how to duplicate not only the style of this CTA but also the animation functionality. This is accomplished using Divi’s Code Module with some custom CSS and a few lines of JavaScript.

However, you can easily extend the same animated functionality on any of Divi’s modules.

Read article: https://www.elegantthemes.com/blog/divi-resources/how-to-create-an-expanding-cta-like-elegant-themes