You can access that app for free here Stylish CSS3 Button Generator. It is available for FREE for anybody who want to use it.
I hope it can make your web development become faster and easier.
Please report it to me if you find any bug. Suggestion and idea for improving the app will be much appreciated.
- Not yet fully supporting IE8 and earlier, since they are not fully supporting css3.
- Not yet tested with IE9+.