As I understand it, the width and height attributes are absolute. An animation doesn't resize when viewed on mobile (phone or tablet) - correct?
I appreciate your quick response, but sadly I don't understand it. I'm a newbie.
So it requires some html/js coding, you may want to have a look at this example: http://blog.animatron.com/2015/01/19/how-to-make-my-animation-responsive/