I have been developing an app based on JQM and have moved this onto use JQM 1.2.0 to access the 'pop-up' features this has brought to us (all of which have proved very successful for my task). This development has been based on a web-app with testing primarily using a web server base, with the intention of running the final site through Phonegap.
I have a completed app running successfully using JQM 1.1.0 and the appropriate CSS-details below
This worked perfectly in all browsers allowing the background to load OK and the app ran through Phonegap and generated a fully functional app with the background in place.
Whilst the background image loads in all web browsers, it doe's NOT in the IOS (ipad, ipod touch) versions of mobile Safari, on all versions of IOS (4.5,6) and when run through Phonegap to create a native app, doesn't work either.