Breaking news: HTML+CSS is Turing complete

Breaking news: HTML+CSS is Turing complete: "Maybe I need to change my story. Apparently, HTML5 + CSS3 is now also Turing complete because it can be used to program a Rule 110 automaton. I have not yet had time to investigate further. Does it rely on specific features of CSS3 and HTML5? Were previous versions of HTML+CSS also Turing complete?"