Examine source code of Butterfly Wings

{
  "theme": {
    "images": {
      "theme_frame": "wings.jpg"
    },
    "colors": {
      "frame": "#737373",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Butterfly Wings",
  "manifest_version": 2,
  "description": "This is my first finalized Persona design.\nHope you enjoy using it. You can check me out at www.liviumatei.com\nThanks!"
}