How to implement such a sticky menu?

Question

WordPress

Hi all! Can you tell me how to implement in wordpress like here? formulafutbola.ru
That is, 1) change the color of the text 2) smooth narrowing of the section 3) change the background
There is a plugin mystickymenu. It allows you to make the menu sticky. What to add there or do from 0 to make it work, as in the example?

Answer 1

Hello!
Ready-made simple solution -
https://www.w3schools.com/howto/howto_js_sticky_he...
https://www.w3schools.com/howto/howto_css_fixed_me...
Implementation example - https://reporter.by/