I have a content model on this page: https://www.clientscience.co/webinar-registration/
Click the “register now!” button at the top of the page to see the modal.
On small screen (i.e. mobile) the bottom half of the modal loads below the fold (the part you can’t see on page load).
That is fine, but when the user tries to scroll down to see the rest of the modal the page behind the modal moves but the content in the modal stays static. So users cannot get to that part of the modal that is off the screen.
How do I make it so that when users scroll the page it reveals the rest of the modal?