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White space on the right side of my grid on mobile

I have read similar posts to this so I apologize if I missed something super simple but I have a grid on my homepage with a larger area on the right side. Everything displays fine until I get down to mobile device sizes. At the mobile sizes I get white space on the right side. I think it has something to do with my grid area that was larger because that image displays correctly but I cannot seem to locate the issue. I have even tested the overflow hidden suggestions as well. Here is my read only link. Any suggestions would be great.

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