Examine source code of Hummingbird & Poppy

{
  "name": "Hummingbird & Poppy",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "Poppy HummingbirdT.jpg"
    },
    "colors": {
      "frame": "rgba(145, 62, 120, 1)",
      "tab_background_text": "rgba(255, 255, 255, 1)",
      "toolbar": "rgba(148, 64, 120, 0)",
      "bookmark_text": "rgba(255, 255, 255, 1)",
      "toolbar_field": "rgba(148, 64, 120, 0.06)",
      "toolbar_field_text": "rgba(255, 255, 255, 1)",
      "tab_line": "rgba(255, 255, 255, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{b2a38efe-23d1-45b6-b15d-a38b63abcb5b}"
    }
  }
}