Pls can somebody tell me how I can style a sticky header?

Question

As in an article, that has some headings, I want each heading, when it gets to the top of the screen while scrolling to stick there until the page scrolls to the last line of the last paragraph of the particular heading, and then the next heading sticks also till it also scrolls to the last line of the last paragraph and on and on like that. Thanks

Answer 1

Thanks

Answer 2

That didnt help pls

Answer 3

I need the header to scrolling until it touches the top and then it sticks