Examine source code of Kit fox

{
  "name": "Kit",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "Untitled(1).jpg"
    },
    "colors": {
      "frame": "rgba(20, 2, 40, 1)",
      "tab_background_text": "rgba(250, 125, 0, 1)",
      "toolbar": "rgba(20, 6, 64, 0)",
      "bookmark_text": "rgba(140, 0, 255, 0.4)",
      "toolbar_field": "rgba(128, 109, 171, 1)",
      "toolbar_field_text": "rgba(250, 125, 0, 1)",
      "tab_line": "rgba(255, 140, 0, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{0e3335a9-4e7a-4e3c-bf2a-9b899fd40707}"
    }
  }
}