SOURCE

https://www.elegantthemes.com/blog/divi-resources/how-to-add-a-scroll-down-hover-effect-to-preview-web-page-designs-in-divi?utm_source=Elegant+Themes&utm_campaign=0341796e70-Divi_Daily&utm_medium=email&utm_term=0_c886a2fc0a-0341796e70-51220537