How to make a popup window that can be opened with a button


#1

Hello, guys! I need fast help, please. I want to make a pop-up page that can be opened only when you click the a button from the main menu. I tried to found a lot of codes, but none of them can be embed in the following code:

<li><a href='#' itemprop='url' title='Thank you!'><span itemprop='name'>Thank you!</span></a></li>


#2

You Can Edit This As You Want…

`Try it

`