Examine source code of Colorblur

{
  "theme": {
    "images": {
      "theme_frame": "wallpaperduoFIREFOXDOIS.jpg"
    },
    "colors": {
      "frame": "#805f5f",
      "tab_background_text": "#f2efef"
    }
  },
  "version": "2.0",
  "name": "Colorblur",
  "manifest_version": 2,
  "description": "this is the half right part of a wallpaper I did... so I thought that would be cool to add for somenoe that want to use it as persona on FF."
}