White space under the footer — how to remove?

So I have a footer made of two sections. There's white space underneath it that I can't seem to remove. can someone help? 

Please post the URL for a page on your site where we can see your issue.

A link to the backend of the your site won’t work for us, i.e. a url that contains /config/.

Please set up a site-wide password, if your site is not public and you've not already done so.

Post the password here.

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Please read the site-wide password and how to share a link documentation to understand how they work.

We can then take a look at your issue.

You may find How to post a forum question post useful.

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I was unable to find a page that looked like the one you show. But I did look at several others and I saw no issue with them.

I suggest looking at your trouble page in private browsing to see if the issue still occurs.

If the issue still occurs please give us the exact page where you are seeing the issue.

Let us know how it goes.