I tried to reverse engineer the example but also make a couple changes. I think its pretty close considering never looked at the examples code. Please tell me what you think and point out any mistakes in my code…besides the codes cleanliness, I know its a little cramped. https://codepen.io/rmlee0003/full/WGjkPK/
Take another look at your jquery, the slide method you’re using is throwing an error.
You probably want this one instead…