Examine source code of Orange Corgi

{
  "name": "Orange Corgi",
  "manifest_version": 2,
  "version": "4.0",
  "theme": {
    "images": {
      "theme_frame": "Untitled-1.png"
    },
    "colors": {
      "frame": "rgba(255, 89, 0, 1)",
      "tab_background_text": "rgba(255, 255, 255, 1)",
      "toolbar": "rgba(244, 157, 106, 1)",
      "bookmark_text": "rgba(255, 255, 255, 1)",
      "toolbar_field": "rgba(233, 104, 41, 1)",
      "toolbar_field_text": "rgba(255, 255, 255, 1)",
      "tab_line": "rgba(244, 157, 106, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{7bf87818-a1b0-4882-8755-0966f3fe4770}"
    }
  }
}