Examine source code of sports 2J

{
  "theme": {
    "images": {
      "theme_frame": "Firefoxpersonaheader2jsports.jpg"
    },
    "colors": {
      "frame": "rgba(229,230,232,1)",
      "tab_background_text": "#000"
    }
  },
  "version": "2.0",
  "name": "sports 2J",
  "manifest_version": 2,
  "description": "Persona of 2J sports a french enterprise. Archery, table tennis, blow hunting and many sports. <a href=\"https://outgoing.prod.mozaws.net/v1/858bfe47d33e48a426521a7e0f966ae51badaf6417d0f1dc830a4dde20d9feef/http%3A//www.2jsports.fr\" rel=\"nofollow\">www.2jsports.fr</a>"
}