Style guides for Google-originated open-source projects

A UI library by WeChat official design team, includes the most useful widgets/modules in mobile web applications.

Web Starter Kit - a workflow for multi-device websites

岳昕：致北大师生与北大外国语学院的一封公开信

Draw perfect pressure-sensitive freehand lines.

A mystical CSS icon solution.

A collection of dialog effects using CSS (and SVG) animations.