iPad
width: 768px
iPad Landspace
width: 1024px
iPhone 4
width: 320px
iPhone 5
width: 320px
Nexus
width: 384px
Low Android
width: 240px
iPhone 4 Landspace
width: 240px
iPhone 5 Landspace
width: 240px
Nexus Landspace
width: 240px
Low Android Landspace
width: 320px