So if I tested the epubs in a Sony PRS-505, it would render the same (because they are both using Adobe DE)?
CSS media queries are a feature in CSS 3 that let you modify and modularize the CSS according to properties of the device.
(If device has a screen width of
http://caniuse.com/#feat=css-media
http://quirksmode.org/mobile/tableVi...l#mediaqueries
It would solve a lot of ebook layout problems for epubs. right now, it seems to be supported in desktop ebook readers, but not on mobile devices.
I'm not clear about whether ipad ebook readers support it.