Hey everyone. I've found an error on the console of the page, when I put submit gives me the following message "Something went wrong Click Close to try again or refresh the page." I refreshed the page but nothing new happens.
I encountered something like this in a foreign language track (I think it was Portuguese) but I just swapped out all the unicode characters for normal ascii. Is this the English language track you are referring to?
Actually it's kinda awkward what is happening, I have half of the page in spanish and half on english... anyway the exercises are in spanish.
Being in a Windows 7/FF environment I may not be able to reproduce your situation. Kind of on the edge, here.