Javascript Library To Inspect CSS Stylesheets – CSSUtilities

CSSUtilties is a free JavaScript library that provides capabilities to inspect CSS stylesheets in a detailed and accurate way (even than those provided by Firebug – Free Firefox Add-on).

CSSUtilities understands all versions of CSS including CSS3. It works in HTML, XHTML and XML and can equally handle  physical or virtual DOMs.

Some Features

• Finds all the rules that apply to an element, including information about properties, media, specificity and inheritance
• Tells which properties apply directly, or which through inheritance
• It returns the specificity of any selector

This free JavaScript CSS inspection library makes these capabilities available to ordinary, unprivileged code that runs in any contemporary browser.