This article triggered flashbacks to 20 years ago and using all sorts of crazy CSS to hack the browser to do what you needed it to. Nowadays CSS is (usually) a remarkable land of sanity in comparison.
It was also a fun time to interview. Can you write a CSS snippet that will make a box red in IE5, Blue in IE6+, and is Yellow in Firefox but black in Netscape? CSS these days is no longer an adventure — they just tend to work.