After almost a decade of work, the W3C’s CSS Working Group has published CSS version 2.1 as an official specification. CSS 2.1 first became a W3C Candidate Recommendation in 2004.

After many years CSS 2.1 has finally become a W3C recommendation, which makes it a new internet standard. The new standard is a fix for CSS 2.0 and aims to supersede the previous version of CSS ...

W3C working groups are also developing CSS 3, though much of this work builds on CSS 2.1. Instead of releasing CSS 3.0 as a monolithic standard, the working group will issue individual modules ...