Examine source code of Invadersss

{
  "theme": {
    "images": {
      "theme_frame": "nag4.jpg"
    },
    "colors": {
      "frame": "#000000",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Invadersss",
  "manifest_version": 2,
  "description": "Created for wallpaper: <a href=\"https://outgoing.prod.mozaws.net/v1/9db737000771a028f611041cbeba3e7c4a2ed10ccd6d05f6fff1e55b255ae81e/http%3A//browse.deviantart.com/%3Fqh=&amp;section=&amp;global=1&amp;q=hello%2Batari%23/d1pk93n\" rel=\"nofollow\">http://browse.deviantart.com/?qh=&amp;section=&amp;global=1&amp;q=hello+atari#/d1pk93n</a>"
}