Examine source code of TangeruD1 theme

{
  "theme": {
    "images": {
      "theme_frame": "Persona_Header_TangeruD1.jpg"
    },
    "colors": {
      "frame": "#c9c5c5",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "TangeruD1 theme",
  "manifest_version": 2,
  "description": "TangeruD1 Drifting team theme, sponsored by <a href=\"https://outgoing.prod.mozaws.net/v1/4968b641b03fc67979845906f0ae0462e0f713d03937259772d4c373473189ee/http%3A//www.driftbeasts.no\" rel=\"nofollow\">www.driftbeasts.no</a>"
}