Examine source code of ORLY Owl

{
  "theme": {
    "images": {
      "theme_frame": "wallpaper-1465341.jpg"
    },
    "colors": {
      "frame": "#edce03",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "ORLY Owl",
  "manifest_version": 2,
  "description": "Original image taken from <a href=\"https://outgoing.prod.mozaws.net/v1/d73e1ab65401331fd6b74c51d3c9b57c86b57e7ae5673b48caed935ab7498559/http%3A//wallbase.cc\" rel=\"nofollow\">wallbase.cc</a>, user 4chan: <a href=\"https://outgoing.prod.mozaws.net/v1/75bc41f50688a61644c383713032c4e750bea1468b147eae5b70c364dc66f5a0/http%3A//wallbase.cc/wallpaper/1465341\" rel=\"nofollow\">http://wallbase.cc/wallpaper/1465341</a>"
}