Examine source code of Moonlight Sailing

{
  "theme": {
    "images": {
      "theme_frame": "120411-Moonlight-Sailing-h.jpg"
    },
    "colors": {
      "frame": "#000040",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Moonlight Sailing",
  "manifest_version": 2,
  "description": "Ship sailing under the moon light"
}