From a glance can you tell how I messed this up?

I can’t figure out what I’ve done to cause this jumbled part on the left side of the screen here.

This is my layout page

Also seems to be a sliver of margin, my background picture doesn’t stretch all the way to the end

Do you have a live link where we can check this?

I don’t believe so, sorry I’m a complete beginner. I just have it running locally I don’t know how to display it live

Have a look at