iPad - iOS - User Agents

Note orientation:landscape is applied by default.

Media queries targeting iPad:

@media only screen and (orientation:landscape) {
  #app { width: 1024px; }
}
@media only screen and (orientation:portrait) {
  #app { width: 768px; }
}

jpg Size Limits in iPad3

if a jpg > 2*1024*1024 pixels, it will be scaled