And I have absolutely no idea why. We have changed absolutely nothing to the page design, I have not upgraded WordPress, I have not changed any addons- it is simply inexplicable. Maybe there was an Internet Explorer update that is now causing the conflict.
But like I said, I have no clue what is causing it, and I don’t have the time over the next two weeks to deal with it. I have a complete site re-build scheduled for the first week of September, so hopefully that will be handled then.
I apologize for the inconvenience. Use this thread to share fixes or tell people which browsers work.