http://designshack.net/articles/css/whats-the-deal-with-display-inline-block/
For when you want to display an element inline, but style it like a block level element.
Display: inline-block;
li { display: inline-block; width: 100px; vertical-align: top; /*Dirty IE Hack*/ zoom: 1; *display: inline; }
http://webdesign.tutsplus.com/tutorials/htmlcss-tutorials/super-simple-lightbox-with-css-and-jquery/
http://tympanus.net/codrops/2012/08/08/circle-hover-effects-with-css-transitions/
http://www.addedbytes.com/cheat-sheets/css-cheat-sheet/
http://www.webdesignerdepot.com/2011/11/navigation-patterns-for-ten-common-types-of-websites/
http://coding.smashingmagazine.com/2009/07/08/free-typographic-xhtmlcss-layouts-for-your-designs/
http://www.denisdesigns.com/blog/2011/07/create-a-clean-retro-badge-in-adobe-illustrator/
Onepagelove.com - a showcase of one page websites.
I absolutely love this trend of one-page websites, there is some really creative stuff out there.