User Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:65.0) Gecko/20100101 Firefox/65.0
Steps to reproduce:
When I browse to a site with some type of SSL exception (usually a SSC)
The window that permits accepting the exception is truncated or mis-sized.
I can see the whole thing.
(let me get a screen-shot)
The window in question is gone in Firefox 66. In older versions, you should be able to restore it to a usable size as follows:
I'm running FF Developer version 65.0b9; the above fix did not work. Also, 66 is not officially released yet.