I've built a Wordpress site using Codrops Slide-to-top Accordion.

My content is pretty long so if you want to close the accordion you have to scroll all the way up again to the header of that post.
I choose the one that had more than one open accordion because of height-calculation didn't work on iPhone.

How can I make so click anywhere on the content also would close the accordion? Or a close-button at the end of the post?

View my test site

Thanks in advance!