wysiwg not really wysiwg?
Rendering in TinyMCE, the text editor, doesn't fully represent what you'll see in production mode. C5 will condense blocks not being edited when moving a block. TinyMCE picks up rules from typography.css (so that the font will be represented close to production), bur other rules in your main.css will not be active.
That's a general comment. For a more specific response, you might want to post screen shots of both views.
Attached is b4 and after. Any suggestions on how to correct it, greatly appreciated!
Or you can also add that to the theme to the correct palace if that's better for you.