Weird white strip at top of website


I wonder if I could get some help please.

I’ve got a white strip appearing at the top of the page at:

Shared with CloudApp

I thought it was the html embed but even when I make it visibility hidden it still shows up. Any help to remove it would be much appreciated. Thank you.

Share link below.


Here is my site Read-Only: LINK
(how to share your site Read-Only link)