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Description: Feature detect HTML5 and CSS3 features, with handy css and javascript hooks so you can progressively enhance to your heart's content.
Homepage: http://www.modernizr.com
Clone URL: git://github.com/Modernizr/Modernizr.git
name age message
file README.txt Thu Sep 24 17:19:11 -0700 2009 Hello, Readme. [paulirish]
file modernizr-test.html Mon Dec 07 17:14:41 -0800 2009 css 3d transforms false positive fixed. fixes #15 [paulirish]
file modernizr.js Wed Dec 16 16:23:30 -0800 2009 typo [paulirish]
README.txt
Modernizr is a script that will detect native CSS3 and HTML5 features
available in the current UA and provide an object containing all
features with a true/false value, depending on whether the UA has
native support for it or not.

In addition to that, Modernizr will add classes to the <body>
element of the page, one for each cutting-edge feature. If the UA
supports it, a class like "cssgradients" will be added. If not,
the class name will be "no-cssgradients". This allows for simple
if-conditionals in CSS styling, making it easily to have fine
control over the look and feel of your website.

http://www.modernizr.com