Examine source code of Inked Firefox

{
  "theme": {
    "images": {
      "theme_frame": "headerink.jpg"
    },
    "colors": {
      "frame": "rgba(229,230,232,1)",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Inked Firefox",
  "manifest_version": 2,
  "description": "Just a quick first try at a persona. the brushes I used to make the ink are found here.\n<a rel=\"nofollow\" href=\"https://outgoing.prod.mozaws.net/v1/a6bb11795d3c8f27bdf66b97251876d7f0479e19452fffa41598f242ba8e33c4/http%3A//qbrushes.com/photoshop-swirls-brushes/ink-drops-brushe/\">http://qbrushes.com/photoshop-swirls-brushes/ink-drops-brushe/</a>\n\nEnjoy =3"
}