In the preview mode there are different things than the edit

When I am in the wix editor, eveything’s ok. When I publish the site, on the right side, you can scroll and appears an empty space. Do you know why? The site is

That might be the site´s background colour. Check in editor, there a big square button on the left.

PS I do like Nirvana

You’re question appears to be related to layout and display. This forum is dedicated to Wix Code. For questions that are not related to code you can contact the Wix support team . You’ll get better help for your problem there.