Proto is a simple HTML & SCSS rapid prototyping toolkit for responsive web design.
Dive Into HTML5 elaborates on a hand-picked selection of features from the HTML5 specification and other fine standards.
retina.js is an open source script that makes it easy to serve high-resolution images to devices with retina displays
Comments about using project management with Trello
More ideas about using Trello & Google Docs for project management
Style recommendations for your HTML/CSS
Look up HTML5, CSS3, etc features, know if they are ready for use, and if so find out how you should use them – with polyfills, fallbacks or as they are.
SMACSS is a way to examine your design process and as a way to fit those rigid frameworks into a flexible thought process. It is an attempt to document a consistent approach to site development when using CSS.