What is this effect and is it possible to implement in webflow?

Hello guys,
I am in learning process of webflow, trying to create my personal website
I am trying to find whats the name of this effect

eff

I would like to add that on top of the page, you can see it on this website: example

When u move the cursos that “thing” follow it, please give me some hints and tell me is it possible to add to webflow


Here is my public share link: LINK
(how to access public share link)