Examine source code of Team Boelcke

{
  "theme": {
    "images": {
      "theme_frame": "Team-Boelcke_header.jpg"
    },
    "colors": {
      "frame": "#c4c4c4",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Team Boelcke",
  "manifest_version": 2,
  "description": "<a href=\"https://outgoing.prod.mozaws.net/v1/319ecf9cb1a91f9d3a5511bf07e74a4f10292b2788d172f2304bf0aabccb615a/http%3A//www.cod-boelcke.de\" rel=\"nofollow\">www.cod-boelcke.de</a>"
}