Charts not displaying correctly HTML5

I have an application created in v6 and migrated to v7. I created 2 charts in v7 and they display correctly in MAC OSX computer browser but not on iPad using HTML5?
Suggestions please.

iPad HTML5

Mac OSX Safari

iPad.jpg

MACOSX.jpg

Hello,

I have reported this issue to our bugs team for further testing.

regards,
Bernhard Bernsmann