I am using the following code: https://codepen.io/jackpallot/pen/aKGKBP
I have the exact JS, and the following in my HTML/CSS. Please advise me as to why nothing happens when I click on the parent button (e.g. Products). [upl-image-preview url=https://www.webdeveloper.com/forum/assets/files/2018-06-22/1529673857-832826-capture.png] [upl-image-preview url=https://www.webdeveloper.com/forum/assets/files/2018-06-22/1529673857-855351-capture2.png]