The Kitchener (https://books.kpl.org/iii/cas/login) Public Library website requires you to sign in with two fields:
The 1Password Browser Extension for Firefox (Mac) does not fill in the Library Card Number. I've tried setting this up a few different ways and nothing works.
1Password Version: 7.3.1
Extension Version: 18.104.22.168
OS Version: 10.14.5
Sync Type: 1Password.com