Examine source code of a3c-Graphite

{
  "theme": {
    "images": {
      "theme_frame": "a3c-1bar-Header.png"
    },
    "colors": {
      "frame": "#111111",
      "tab_background_text": "#cccccc"
    }
  },
  "version": "2.0",
  "name": "a3c-Graphite",
  "manifest_version": 2
}