Originally Posted by PatriceJ

i don't know how or if you can do this on a mac or in other browers, but if you're using microsoft internet explorer, got to "View" on the top menu bar, and then select "Source". it'll show you the HTML (all the code that goes into making the page look and behave the way it does).

i don't claim to understand all of it, but it's pretty interesting to look at.