Why CSS?
Support
Firefox, Internet Explorer 6, Netscape Navigator 7, Mozilla, Opera, and Safari fully support CCS*Flexibility:
One change to a CSS file can change entire website.Rendering:
Pages display faster because CSS is cached and the majority a site’s HTML pages code are content not layout (no complex table).Accessibility:
Screen readers will see you HTML without the layout leaving the result "text only".* with quirks (especially IE)