Adding an expanding hover effect to your grid layout is a unique way to engage your audience to interact with your page content.
The idea is to start with a compact display of your grid and then expand that grid to bring the grid content to the forefront when a user hovers over the element in Divi.
This is great for expanding an image gallery to display a larger gallery (with larger images) on hover. And you could also expand a cluster of blurbs to engage visitors to explore your services.
Read the article: https://www.elegantthemes.com/blog/divi-resources/how-to-create-an-expanding-hover-effect-for-your-grid-layouts-in-divi