I cannot login to Meta with Firefox. This is the login form:
When I click
Log in using Stack Exchange I get the following:
Password field has focus. When I click one of these fields to set the focus, the
Log in using Stack Exchange section closes, and I get the following form again:
I can reproduce the error in Firefox 26.0/Linux and Firefox 25.0/Windows. There is no problem in Chrome, Opera or IE.