Development:Firebug
From MoodleDocs
What is Firebug?
Firebug is an add-on for the Firefox web browser. Firebug integrates with Firefox to put a wealth of development tools at your fingertips while you browse. You can edit, debug, and monitor CSS, HTML, and JavaScript live in any web page...
Where can I get Firebug
Tutorials
- And for those of us who prefer viewing to reading, there's a bunch of tutorial videos on YouTube