Examine source code of Butterflies and Bubbles

{
  "name": "Butterflies and Bubbles",
  "manifest_version": 2,
  "version": "5.0",
  "theme": {
    "images": {
      "theme_frame": "ButterfliesandBubbleBrightH.jpg"
    },
    "colors": {
      "frame": "rgba(255, 204, 153, 1)",
      "tab_background_text": "rgba(0, 0, 0, 1)",
      "toolbar": "rgba(255, 204, 153, 0)",
      "bookmark_text": "rgba(0, 0, 0, 1)",
      "toolbar_field": "rgba(255, 204, 153, 0.05)",
      "toolbar_field_text": "rgba(0, 0, 0, 1)",
      "tab_line": "rgba(0, 0, 0, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{2ac9be85-a08d-4360-adcd-7fe3e7e7480c}"
    }
  }
}