Hey guys. I feel like this is a really stupid question, but I can't for the life of me figure out what Panic and other sites are using to enable zooming an image in place with a little "X" close button to zoom it back into place. I've looked at their source code as well as on various web design forums and can't find any concise or relevant answers, really. An example of what I'm talking about can be found here. Any help would be greatly appreciated. I'm looking to implement this into the portfolio section of my website.