Shadow source files are saved JSON objects from the multi-layer CSS3 shadow generator at http://haless.cryto.net/shadow/. To edit a shadow, simply load the string in the applicable text file into the shadow generator, and after editing save the shadow configuration and generate new CSS code.
== DIRECTORY STRUCTURE ==
repository root
|-design/ The first design proposal for the user frontend
| |- css/ CSS files for the design proposal
| `- images/ Images for the design proposal
`-graphics/ Original source files for images (.xcf, .svg, ...) and CSS3 shadows (.txt).