Examine source code of Teamworldblack

{
  "theme": {
    "images": {
      "theme_frame": "Persona_Header_TEAMWORLD-b.jpg"
    },
    "colors": {
      "frame": "#215a72",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Teamworldblack",
  "manifest_version": 2,
  "description": "<a href=\"https://outgoing.prod.mozaws.net/v1/d92ffa9b99d070fa27548f6dcf19d492ee5e243d4589b4191c16d12a5375d0ce/http%3A//www.teamworld.it\" rel=\"nofollow\">www.teamworld.it</a>"
}