Examine source code of Butterfly Buddy

{
  "name": "Butterfly Buddy",
  "manifest_version": 2,
  "version": "4.0",
  "theme": {
    "images": {
      "theme_frame": "ButterflyBuddyH1.jpg"
    },
    "colors": {
      "frame": "rgba(250, 246, 10, 1)",
      "tab_background_text": "rgba(0, 0, 0, 1)",
      "toolbar": "rgba(248, 252, 10, 0)",
      "bookmark_text": "rgba(0, 0, 0, 1)",
      "toolbar_field": "rgba(248, 252, 10, 0.08)",
      "toolbar_field_text": "rgba(0, 0, 0, 1)",
      "tab_line": "rgba(0, 0, 0, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{2832e37b-d5a5-4f83-95bc-6cef57866532}"
    }
  }
}