We all know that Firefox allows us to do certain things with CSS and XHTML that we are just not capable of doing in IE usually without using some sort of Javascript trickery. Here is another cool tech example for Firefox users.

Scrolling up or down causes you to see the X-ray version of the body. I haven’t dug into the code yet to see how it’s possible, but I must admit that it is pretty cool. Check it out for yourself.