Cant figure out how to get BB to go full width on my Salient theme

Hi my team recently started moving all of or created pages over to the Beaver Builder plugin. I can’t figure out how to get the full width to work also I have a margin at the top. I have tried some of the recommended CSS and it doesn’t work. I figure there is something in the theme that is causing it to interfere, I’m not very code savvy so if anyone can help it would be huge.