As a user, I can add classes to the body in the UI. When the code is saved and the editor is reopened with that code, the classes are ignored and removed.
Or in general: when loading HTML that contains a CSS class on the body element, it is ignored and removed by Grapesjs. E.g.
As a user, I can add classes to the body in the UI. When the code is saved and the editor is reopened with that code, the classes are ignored and removed.
Or in general: when loading HTML that contains a CSS class on the body element, it is ignored and removed by Grapesjs. E.g.
Resulting editor