Examine source code of bt cockatiel

{
  "theme": {
    "images": {
      "theme_frame": "bt.jpg"
    },
    "colors": {
      "frame": "#faf7f7",
      "tab_background_text": "#faf7f7"
    }
  },
  "version": "2.0",
  "name": "bt cockatiel",
  "manifest_version": 2,
  "description": "Little female cockatiel named BT. Colours of grey orange pale yellow, cute, very friendly always wants a scratch. Bird, Australia,"
}