Fluid Visually Scaling Component Library
"FVSCL stands for Fluid Visually Scaling Component Library. It's an experiment that explores how we can create fluid, responsive elements that resize to be comfortable on any screen size and settings.
All sizes are relative and use a modular scale to provide harmony and rhythm to layouts. (Hopefully.)
It's more of a proof-of-concept than deployable, production ready app, but there is probably something useful to be gleaned by taking a look at the source."