Each of these (columns) use CSS transitions and transfoms on hover. With Elementor, there’s no need to create a class in your style.css file.
Simply select the column, and enter your CSS in the custom CSS tab using “selector”.
This works with any element, not just columns. And, of course, they can be combined.
https://docs.elementor.com/article/516-how-to-use-selector-in-the-custom-css-tab