I was recently pointed towards Dabble.in where I, like many others it seems, instantly loved the cool rollover effect.
The first thing I did was inspect element to see how it was done (like pretty much every web developer I know did), and it turns out the effect is incredibly simple. It’s mainly CSS3 with a sprinkling of jQuery. Here’s how to replicate it, and why (I think) they used jQuery when it isn’t actually needed.

