Examine source code of Stalker Kitten

{
  "theme": {
    "images": {
      "theme_frame": "stalkerkittenheader.jpg"
    },
    "colors": {
      "frame": "#ffffff",
      "tab_background_text": "#4589f7"
    }
  },
  "version": "2.0",
  "name": "Stalker Kitten",
  "manifest_version": 2,
  "description": "Original Art by <a href=\"https://outgoing.prod.mozaws.net/v1/b74d4dba08a0f0dbac8e78e3509956386690dd464a18df1576a4f0ef41eaec06/http%3A//trenchmaker.deviantart.com/\" rel=\"nofollow\">http://trenchmaker.deviantart.com/</a>\nView art here:\n<a href=\"https://outgoing.prod.mozaws.net/v1/cf39088eedf6ee3f960e179e5b5f2cd25dbce674852071af8e9b5db83f830db8/http%3A//trenchmaker.deviantart.com/art/Stalker-Kitteh-Wallpaper-152530892\" rel=\"nofollow\">http://trenchmaker.deviantart.com/art/Stalker-Kitteh-Wallpaper-152530892</a>"
}