css3-mediaq/device-aspect-ratio.html

<!DOCTYPE html><html><head><title>CSS Media Query test</title><style type="text/css">body {background: #FAA; color: #500;}@media all and (device-aspect-ratio: 1440/900) {	body {background: #CCC; color: #333;}}</style></head><h1>Howdy.</h1><a href="http://www.w3.org/TR/css3-mediaqueries/">Specification</a></body></html>