Examine source code of Decepticon theme

{
  "theme": {
    "images": {
      "theme_frame": "chrome0.png"
    },
    "colors": {
      "frame": "#cccccc",
      "tab_background_text": "#cccccc"
    }
  },
  "version": "2.0",
  "name": "Decepticon theme",
  "manifest_version": 2,
  "description": "simple little Decepticon theme"
}