Examine source code of transformers2

{
  "theme": {
    "images": {
      "theme_frame": "per-transformers.jpg"
    },
    "colors": {
      "frame": "#402f2f",
      "tab_background_text": "#2b2525"
    }
  },
  "version": "2.0",
  "name": "transformers2",
  "manifest_version": 2,
  "description": "louu"
}