And here I am, upvoting the thread because I thought it's a statement about how ridiculous all the 'X in pure CSS' posts have gotten, while everyone else in this thread seems to be genuinely impressed.
Thus, I hereby present to you, the Mona Lisa in pure css (!!), using even fewer bytes!
Behold: Mona Lisa in pure html (!!), because more bytes is better.
http://codepen.io/anon/pen/lJxAe (may crash browsers)
Having said that, I like all the Mr Doob stuff and most openGL demo stuff coming out.