Box only positioned correctly after i resize window

Strange issue, I installed the plugin and configured it to the left of my page wrapper, but when I load the page it is all the way off to the left and mostly cut off out of the window. When I resize the browser window, it jumps to the appropriate position.

For now I've got it set to the left of the page because it's a live site, but here's the url: http://www.3guysfrombrooklyn.com/

Thanks!