In Part 2 of our review of Chris Pederick’s Web Developer Extension for Chrome, I cover features for design & development.  When you get into designing and developing your site, the extension really shows some useful information making developing or editing a page easier than ever. These features include: Edit CSS, Display ID & Class Details, Show Image Dimensions, Display Ruler, Display Color Picker, Outline Block Level Elements and many more.
Take a look at Part 2:

Feedback: What other web development features do you like in this tool? How does the tool compare to Firebug?