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Help with mobile site issue (gap on the right side)

Hey guys, so this is my first website i am doing so im not much of an expert. So i built a site and i have an issue where when you see it on mobile it looks good but once you accidentally slide to the left there is a space that pops ups. I’ve tried to look over the settings but cant seem to find the issue or what to fix.
There is also a video link on the page and once i click on it, it load the video but when i go back to the site the gap on the right side shows up.
While im in the designer it does not show the gap at all.

Thanks in advance!

Here is the link:

Here is the link on the site after publishing to try. If you load i and slide your finger to the left it will show the gap as if it zoomed out.