In Pieces – 30 Endangered Species, 30 Pieces. »

Built with CSS and some JavaScript. Gorgeous work. “each shape is being morphed, moved and toyed with by a new set of co-ordinates, and as they are maintained as triangles throughout, this means 3 points, with CSS transitions to link up the movements. No tricks or tools have been used to get the illustrated results, code-wise or graphically. “ »

A table showing “the screen specifications of the most popular devices and monitors currently on the market.”

CodePen »

“CodePen is a playground for the front end side of the web. It’s all about inspiration, education, and sharing.”

“Need to build a reduced test case to demonstrate and figure out a bug? CodePen is great for that. Want to show off your latest creation and get feedback from your peers? CodePen is great for that. Want to find example of a particular design pattern for you project? CodePen is great for that.”

Stylesheet Download Tests »

This page tests “whether today’s browsers will download stylesheets that are referenced with media queries that would not apply on that browser or device.”

Thee appears to be a lot of download overhead with media queries using link elements.