Get flash to fully experience Pearltrees
Screen resolution nowsaday ranges from 320px (iPhone) to 2560px (large monitor) or even higher. Users no longer just browse the web with desktop computers. Users now use mobile phones, small notebooks, tablet devices such as iPad or Playbook to access the web. So the traditional fixed width design doesn't work any more.
CSS2 allows you to specify stylesheet for specific media type such as screen or print . Now CSS3 makes it even more efficient by adding media queries. You can add expressions to media type to check for certain conditions and apply different stylesheets. For example, you can have one stylesheet for large displays and a different stylesheet specifically for mobile devices. It is quite powerful because it allows you to tailor to different resolutions and devices without changing the content.
IN THE BEGINNING was FIR, AKA Fahrner Image Replacement (note that one of the following links returns a 404): The Daily Report’s 2003 redesign uses (and our book explained) an image replacement technique intended to combine the benefits of accessibility with the power of graphic design. We christened this method Fahrner Image Replacement (FIR) in honor of Todd Fahrner , who first suggested it to us. Douglas Bowman’s tutorial popularized the technique, which was first developed by C. Z.