X-Tag 是一个对浏览器默认的HTML元素外观进行重写的UI框架。

1. scour the web for a plugin
2. add the plugin script include to your page
3. copy an element, or block of elements, into your markup
4. create a script block or include for your own code
5. write JavaScript to select elements on page load
6. instantiate a script to augment the existing vanilla markup
7. wash, rinse, repeat for every plugin you need

在线演示：http://mozilla.github.com/x-tag/demo.html

项目主页：http://www.open-open.com/lib/view/home/1339979042549