That's a good idea - hard to believe that I didn't think of "min-width" considering the amount of other CSS that had to go into this, I wish I'd come up with it

That's a good idea - hard to believe that I didn't think of "min-width" considering the amount of other CSS that had to go into this, I wish I'd come up with it myself 12 hours ago... I've just updated it, everyone should be getting an updated version now (clearly there's interest!). Thanks for the thought!