The font size on the edit portal page and the actual portal is not the same (example below). It’s larger on the edit page.

I’m guessing this may be a bug - which is why I’m listing it here as a question - because I assume that the edit page should be showing me what I can expect to see on the real portal. There shouldn’t be a difference between the two. 

Example of font sizes in the edit portal area:
 

 VS the font size in the actual portal:

This is also related to an idea I just posted, requesting that the font size in portals be increased.
See here:

 ​​​​​​​