The Baseline Project — It’s all about typography

http://adamwhitcroft.com/baseline/ ...

CSS Menu Samples – The largest css menu showcase in the world.

http://www.cssmenusamples.com/ ...

Cool dropdown menu

http://jsfiddle.net/mattbango/wQufe/ ...

The Semantic Grid System

http://semantic.gs/ ...

Sliding tags

http://mikos.co.uk/tags/ ...

CSS3 buttons by Chad Mazzola

http://hellohappy.org/css3-buttons/ ...

Golden Grid System

http://goldengridsystem.com/ ...

CSS Drive Gallery- CSS Compressor

http://www.cssdrive.com/index.php/main/csscompressor ...

Gravatar Tucked Corners

http://playground.genelocklin.com/tucked-corners/ ...

Five Useful Interactive CSS/jQuery Techniques Deconstructed

http://coding.smashingmagazine.com/2011/06/16/five-useful-interactive-css-jquery-techniques-deconstruted/ ...