Examine source code of Krakakak Grey

{
  "theme": {
    "images": {
      "theme_frame": "KrakakakGreyTop.jpg"
    },
    "colors": {
      "frame": "#ffffff",
      "tab_background_text": "#000000"
    }
  },
  "version": "2.0",
  "name": "Krakakak Grey",
  "manifest_version": 2,
  "description": "The grey on white's version of Krakakak, a theme for a minimalized firefox 3.6 [no menu bar, and small icons]"
}