Examine source code of BumbleBee on flower

{
  "theme": {
    "images": {
      "theme_frame": "bumblebeepersona.png"
    },
    "colors": {
      "frame": "#b70fba",
      "tab_background_text": "#1e5d94"
    }
  },
  "version": "2.0",
  "name": "BumbleBee on flower",
  "manifest_version": 2,
  "description": "Big Bumble Bee gathering pollen from a petunia"
}