How to Use Firebug (Video Tutorial)

Firebug is one of my favorite plugin(add-on) for Firefox. This tool can help me easily edit CSS live from my browser. This tool is grate for all web developers.

You can edit, debug, and monitor CSS, HTML, and JavaScript live in any web page. If you have no idea on how Firebug work, you can watch this nice video tutorial on how to use Firebug.