Streaming live at 10am (PST)

Scrollbar Menu for desktop and mobile

I’m in a little bit of trouble and I can’t get any further. I found this menu here and would like to use it but I couldn’t figure out how to make the menu scrollbar for desktop and mobile. Has anyone had any experience with it? I found an article in the forum but that didn’t work either. I am still relatively new to webflow.

Here is my public share link: