CSS Media Queries: how orientation works
How CSS Media Queries interpret orientation modes.
CSS
Advanced CSS techniques, tests, demos, tutorials with a special focus on common development problems.
CSS: scaling and resizing images on mobile's portrait mode: tests and solutions
Some tests and solution on CSS responsive images in mobile's portrait mode.
A brief history of CSS hacks: the IE's golden ages
A short overview of the most used CSS hacks during the years of the IE's predominance.