How to make a vertical menu on a website?

Question

Layouts and prototypes

Hello! Help, please, self-taught in drawing the site. I want to make a side vertical menu in the online store, I have already drawn it in the template. But I came across on the Internet a menu made through the code, an example www.rudebox.org.ua/demo/vertical-menu-for-website-... or this www.rudebox.org.ua/demo/create-mega-menu- for-websi... In order to add it to myself, do I need to draw the menu on the layout myself or leave an empty space?
Just do not throw slippers, I'm just starting to delve into)

Answer 1

So you can make a screen of the menu and insert it, and when submitting the work, indicate that this menu is to download here and here.