On December 17, 1996, W3C published the first standard for CSS. And thus from December 17, 2016 until one year later, CSS is 20 years old. 16 June 2017 Håkon & Bert present ‘CSS Reset’ at CSS Day January 2017 IDPF & W3C join to develop e-book standards 17 December 2016 20th anniversary of CSS level 1 7 November 2016 CSS Intro course, a MOOC on W3Cx 12 April 2016 First draft of 2nd revision of CSS