Simple guiding principles for making animations more meaningful
We can apply one timing function per axis to produce curved paths, by using two or more objects to drive an animation.
I built a collection of compositions to make it easier to find and match Google Web Fonts.
A quick trick: add a pseudo-element and animate it with CSS transitions on hover.
A collection of loading spinners animated with CSS.
I've prepared the most common OS X cursors in a short list, if you want to include cursors in your mockups.