Examine source code of Trudnoca.net 2

{
  "theme": {
    "images": {
      "theme_frame": "Tffoxheader.jpg"
    },
    "colors": {
      "frame": "#696868",
      "tab_background_text": "#000000"
    }
  },
  "version": "2.0",
  "name": "Trudnoca.net 2",
  "manifest_version": 2,
  "description": "<a href=\"https://outgoing.prod.mozaws.net/v1/e2372216f81006612fd48339e190a2450b07aba6b0f4133fbb45faec38737033/http%3A//Trudnoca.net\" rel=\"nofollow\">Trudnoca.net</a> :)"
}