Navbar Symbol Trigger Question

I am able to hide a topnav bar as i scroll down the page and show it when i go to the top

following the webflow instructional video

the topnav is a symbol

the changes are only applied to the home page and not my other pages

is there a way to apply it to all pages - without having to code it on each page


Here is my public share link: LINK
(how to access public share link)