Examine source code of Funkerjan1977

{
  "theme": {
    "images": {
      "theme_frame": "fuvo-firefoxoben.png"
    },
    "colors": {
      "frame": "#e87612",
      "tab_background_text": "#f9fcfb"
    }
  },
  "version": "2.0",
  "name": "Funkerjan1977",
  "manifest_version": 2,
  "description": "Funker Vogt meine Favorit - Band"
}