Examine source code of Mosh-n-Roll

{
  "theme": {
    "images": {
      "theme_frame": "Header1.jpg"
    },
    "colors": {
      "frame": "#520000",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Mosh-n-Roll",
  "manifest_version": 2,
  "description": "<a href=\"https://outgoing.prod.mozaws.net/v1/fcc95c7a0f0539def2ca2de1baa2e5cb77b4efc778a55a4554076d67e9c72d45/http%3A//www.mosh-n-roll.de\" rel=\"nofollow\">www.mosh-n-roll.de</a>"
}