Can someone please explain CSS media queries?

Question

I read the article about them over at css3.info, but I didn\'t feel like it explained it well enough. I also could not get their examples to change with my screen size. I at

Answer 1

Here are a few projects that solve this issue and are at the forefront of dynamic css and screen sizes:

• 320 and up:

  ‘320 and Up’ prevents mobile devices from downloading desktop assets by using a tiny screen’s stylesheet as its starting point.

• Lessframework:

  Less Framework is a CSS grid system for designing adaptive web­sites. It contains 4 layouts and 3 sets of typography presets, all based on a single grid.