URL: https://www.skyscrapercity.com

Browser / Version: Firefox 72.0.1
Operating System: Mac OS X 10.15
Tested Another Browser: Yes

Problem type: Site is not usable
Description: [skyscrapercity.com] Cannot post replies to thread
Steps to Reproduce:
I was not able to create a new thread or posxt replies to any thread on the site. The text box would turn grey and it doesn't allow me do do anything. Only the quick reply function works.

There is a known workaround described here: https://www.skyscrapercity.com/showpost.php?p=162919134

Steps to reproduce:

1. Create a thread or post a reply on the forum (you need to be logged in), do not use the quick reply function.

Screenshot

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