Thankyou so much for that. I had got as far as including animate.css in trying to get things working and I was just about to write here about how it didn't bl0

Thankyou so much for that. I had got as far as including animate.css in trying to get things working and I was just about to write here about how it didn't bl00%y work!!! All is working now, thanks for your well-spotted tip.