Apparently Firefox is the culprit in blocking the 2 step verification panel from showing so I could log in to iCloud. I had to use Chrome to finally see the boxes for the verification number.
Can you tell me what settings to change or is it possibly something on your end?
I have an iphone for work ,but I can't recall every going to the site. Let me try it.
I was able to get in. see screenshot You will have to show us the issue. Did you try in Safe Mode? https://support.mozilla.org/en-US/kb/diagnose-firefox-issues-using-troubleshoot-mode#w_how-to-start-firefox-in-4troubleshoot-modesf5safe-modesf