10 Years of CSS In 2006, the World Wide Web Consortium proudly celebrates the ten years of Cascading Style Sheets (CSS), the technology designers use to create attractive, economical, and flexible Web sites. In these pages you will find history and highlights from 10 years with style. 19 December 2006 World Wide Web Consortium Celebrates Ten Years with Style 18 December 2006 Fuji CSS Validator rel