Animation of transition between pages like in VK?

Question

css

Hello! On this Page on the right there is a transition through the settings. If you click on them, then you are redirected to the page, and animation follows. How to make this animation? Are there any libraries?
* Interested in animation

Answer 1

There is no animation what are you talking about? There, only between the tabs there is a preloader in the form of 3 dots and that's it.