Max width on project post

Hi! My portfolio projects posts has a full width in difference of how it is supposed to be. My project post: http://www.mariaasbrinklindahl.se/portfolio/konceptualisera-lottos-prenummerationsutskick/ Theme demo project post: https://catchthemes.com/demo/clean-portfolio/portfolio/michael/ Can someone help find out how I can change this? Thanks!