Font end editor breaks in Chrome & Firefox

I have installed the plugin and the "Your Answer" editor on the front end of the site breaks in the most recent versions of Chrome and Firefox.

Is this a conflict with the theme, another plugin or just an error?

You can check it out here:

http://bestorangecountyduiattorney.com/questions/blew-00-but-blood-test-may-show-cocaine/

Thanks.