Examine source code of Back Track Dragon

{
  "theme": {
    "images": {
      "theme_frame": "bt.png"
    },
    "colors": {
      "frame": "#005ed7",
      "tab_background_text": "#005ed7"
    }
  },
  "version": "2.0",
  "name": "Back Track Dragon",
  "manifest_version": 2,
  "description": "Logo do Back|Track"
}