I agree that this is cool, but it doesn't usefully convert back to plaintext, si...

Retr0spectrum on Dec 29, 2016 | parent | context | favorite | on: Markdown.css – Make HTML look like plain-text mark...

I agree that this is cool, but it doesn't usefully convert back to plaintext, since the pseudo-elements don't get selected with the rest of the text if you try to copy and paste.