Examine source code of Magic Butterflies

{
  "theme": {
    "images": {
      "theme_frame": "butterflies-h.jpg"
    },
    "colors": {
      "frame": "#f708cf",
      "tab_background_text": "#f708df"
    }
  },
  "version": "2.0",
  "name": "Magic Butterflies",
  "manifest_version": 2,
  "description": "Magic Butterflies is a cool persona with multi-colored translucent butterflies on a clear black background."
}