Examine source code of Tribal Wolf

{
  "theme": {
    "images": {
      "theme_frame": "Firefox1.jpg"
    },
    "colors": {
      "frame": "#8f8c8c",
      "tab_background_text": "#030303"
    }
  },
  "version": "2.0",
  "name": "Tribal Wolf",
  "manifest_version": 2,
  "description": "<a href=\"https://outgoing.prod.mozaws.net/v1/2d000177f3c63921d60e6c5ecbbbc188ad44906a77b5459b55134600fc2f4c6c/http%3A//loup.org\" rel=\"nofollow\">loup.org</a>"
}