A user (was a potential client) is seeing jumbled up pages on my site and I have no idea why.
There follows a screenshot of what she has been seeing for the past few days, and a screenshot of the correct rendering seen by myself and other users I've asked.
She is using Firefox, and is finding all pages similarly jumbled up. I have not been making template changes recently. It looks like a css problem somehow.
Any leads or ideas much appreciated.