Examine source code of Beautiful dragonfly

{
  "theme": {
    "images": {
      "theme_frame": "libelleheader.jpg"
    },
    "colors": {
      "frame": "#f7f2f2",
      "tab_background_text": "#f5eded"
    }
  },
  "version": "2.0",
  "name": "Beautiful dragonfly",
  "manifest_version": 2,
  "description": "A beautiful red dragonfly"
}