One Page Apps I Actually Use
Site-ready HTML5: Second IE10 Platform Preview Available for Developers - IEBlog - Site Home - MSDN Blogs
Discovering CSS3 positioned floats in IE10 2nd plateform preview
New Adventures in web design
Free HTML / CSS for type & palette proposals June 24 2011
8 Fast and Furious Tools to speed up your CSS and HTML Coding Time
Full Browser Width Bars
A Beautiful Boilerplate for Responsive, Mobile-Friendly Development
33 Essential Resources for Developers & Designers
Hash URIs
HTML5 and CSS3 Snippets Every Web Developer Show Know
Pure CSS3 box-shadow page curl effect
5 Cool CSS Hover Effects You Can Copy and Paste
A new micro clearfix hack
An interesting new approach I wasn't aware of "A new micro clearfix hack" via @Ziteapp
Powerful New CSS Techniques and Tools
30 Examples of Websites Using HTML5