Firefox
Diagnosing layout problems
Errors in CSS can be hard to spot. There are tools that can help.
- An editor like Netbeans can check your typing.
- W3C’s CSS validator can check your CSS.
- Firebug and Web Developer are Firefox add-ons that let you inspect things on a page.
- MeasureIt is a Firefox add-on that helps you figure out exactly how things are positioned.