It seems something is wrong with the javascript. Please, what Chrome version do you have? Would you check the console for errors? It works ok in mine. Thank you!
Uncaught TypeError: Property 'css' of object [object Window] is not a function button.js:349 $.extend.paint button.js:349 $.extend.repaint tweaker.js:121 editorChange tweaker.js:102 f.event.dispatch jquery.min.js:3 f.event.add.h.handle.i jquery.min.js:3
Nice job!