(Můžete přepnout na českou verzi rozhovoru.) Håkon Wium Lie was born in 1965 in Norway. He worked together with Tim Berners-Lee at CERN and created proposal of Cascading Style Sheets (CSS). From year 1999 he has been working as chief technology officer at Opera Software. He along with Bert Bos wrote book Cascading Style Sheets: Designing for the Web. In year 2005 Håkon together with Ian Hickson cr