Examine source code of butterfly party 2

{
  "theme": {
    "images": {
      "theme_frame": "butterflyparty2.jpg"
    },
    "colors": {
      "frame": "#caacf2",
      "tab_background_text": "#1437d1"
    }
  },
  "version": "2.0",
  "name": "butterfly party 2",
  "manifest_version": 2,
  "description": "blue butterflies on purple background"
}