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Unknown black background on home page scroll

I am having some issues with a site I am designing, there is no custom code and no elements triggering any black background. The site works correctly in the editor.

The header should be solid white on all screens, the header looks and works correctly on every page except the home page.

I have attached images of the design page (what it should look like)
And what shows on the live version (what it looks like currently)

I have not been able to figure this out and I appreciate any assistance.


Here is my site Read-Only: