Examples of burger menus.
Check how it looks like here:
https://mikemajer.github.io/Burger_menus/ham1.html
https://mikemajer.github.io/Burger_menus/ham2.html
https://mikemajer.github.io/Burger_menus/ham3.html
https://mikemajer.github.io/Burger_menus/ham4.html
https://mikemajer.github.io/Burger_menus/ham5.html