Examine source code of Living Sea

{
  "theme": {
    "images": {
      "theme_frame": "Deep-Sea-Header.jpg"
    },
    "colors": {
      "frame": "#4891b3",
      "tab_background_text": "#b8e8fc"
    }
  },
  "version": "2.0",
  "name": "Living Sea",
  "manifest_version": 2,
  "description": "MATCHING DESKTOP: <a href=\"https://outgoing.prod.mozaws.net/v1/78406e273fc686f39dd0a13abeca1b470eb71700b15dfd4a554d74a9f4c54190/http%3A//nature.desktopnexus.com/get/199633\" rel=\"nofollow\">http://nature.desktopnexus.com/get/199633</a>  by armin0071360 ( sea underwater under water aquarium coral depth life jelly fish colorful color blue stone plants green pink red purple yellow black white photo widescreen wide screen reeds grass bright crustacean shell shells algae seashell )"
}