Animated illustrations that use @patrykzabielski's script, and Jun Luo's digital paintings. An elegant piece of code that use a data value to animate layered images parallaxically (?). With a few tweaks to the styles, I've added greater control to the ratio of the image, that way we're not limited by a fixed height.
A python script to help you back up your SlideShare presentations to PDF.
Emzy is a PX to EM calculator that allows you to keep track of multiple elements and output the final results as css.