I made this project to explore CSS transforms and making shapes with CSS. It's supposed to be an interactive graph of the winners of Tennis Grand Slam titles from the past 11 years (2003 to 2013).
So far, the pie chart is working and the key is working. I've still got to get the interactivity (hovering on pie chart segments and getting data on them pop up on your screen.
Copyright (c) Alexander Nielsen, 2014. Feel free to use this code under the MIT licence (see details in the LICENCE.md file).