Examine source code of Luna Fox

{
  "theme": {
    "images": {
      "theme_frame": "Luna-Fox-Header.jpg"
    },
    "colors": {
      "frame": "#171613",
      "tab_background_text": "#d4d2d2"
    }
  },
  "version": "2.0",
  "name": "Luna Fox",
  "manifest_version": 2,
  "description": "Thanks to unholy-stock for the awesome free stock image : <a href=\"https://outgoing.prod.mozaws.net/v1/1c88d0dcd098a37dcf3a8537fc18dcfa0394e7ba4e13bb8a121a6260ff79fa57/http%3A//unholy-stock.deviantart.com/art/Miscellaneous-objects-51-144624299\" rel=\"nofollow\">http://unholy-stock.deviantart.com/art/Miscellaneous-objects-51-144624299</a> (industrial mechanical skull skulls moon lunar firefox logo midnight night dark gothic goth rusty metal silver chrome rust tentacles branches  mettalica stamped corrugated heavy black gray white acdc yellow orange death tech machine maiden iron steel gradient metallic)"
}