Examine source code of Cosplay Onegai

{
  "theme": {
    "images": {
      "theme_frame": "header.jpg"
    },
    "colors": {
      "frame": "#ffffff",
      "tab_background_text": "#085778"
    }
  },
  "version": "2.0",
  "name": "Cosplay Onegai",
  "manifest_version": 2,
  "description": "Cosplay Onegai - <a href=\"https://outgoing.prod.mozaws.net/v1/14b092d53e0acc5523f837dddbebf2dedc9b3b9850efa0bcd0b05e4eb48567d2/http%3A//www.cosplayonegai.com\" rel=\"nofollow\">www.cosplayonegai.com</a>"
}