Same thing happened with me, while I was still writing the blog. I guess the problem with my blog was I was using laptop to write & sometimes using mobile to edit. The glitch stopped, since I avoided using mobile to edit.
I was also using mobile to edit sometimes. I guess that is the cause of the glitch. I have deleted the blog and uploaded it again just now. Hope it doesn't happen this time.
Yes. It is the issue even with our first blog. the preview worked fine but after publishing, it is jumbled up. Am working with Firefox browser. Is this browser issue or an issue from Tripoto?