How to add something like this on my website?

[vyom_srivastava]

So I was going through an article on gulshankumar.net and found this “Learn About” section. Is there any way to do the same on my own website?
P.S. I am using Generatepress paid version

[gulshan]

Please watch this video

Adding HTML Jump Link in WordPress Post (Without Plugin)

[vyom_srivastava]

Wow!!! you created a tutorial on this… thanks a lot. really appreciate your efforts