Examine source code of Bonfires

{
  "theme": {
    "images": {
      "theme_frame": "bonfire.jpg"
    },
    "colors": {
      "frame": "#bf8764",
      "tab_background_text": "#cfcc32"
    }
  },
  "version": "2.0",
  "name": "Bonfires",
  "manifest_version": 2,
  "description": "bonfire"
}