Examine source code of Tarboy

{
  "theme": {
    "images": {
      "theme_frame": "Tarboy-header.jpg"
    },
    "colors": {
      "frame": "#000000",
      "tab_background_text": "#242b00"
    }
  },
  "version": "2.0",
  "name": "Tarboy",
  "manifest_version": 2,
  "description": "<a href=\"https://outgoing.prod.mozaws.net/v1/8891a1e73457c3b396aebc8c2694a8ae639736374f4b254598671079b2ef78e8/http%3A//www.tarboy.com\" rel=\"nofollow\">www.tarboy.com</a>\n\nTarboy is an epic animated short film about fighting robots, explosions and more fighting robots.\nAnimation by James Lee."
}