Examine source code of Redenteur

{
  "name": "Redenteur",
  "manifest_version": 2,
  "version": "12.0",
  "theme": {
    "images": {
      "theme_frame": "Redentot_1.png"
    },
    "colors": {
      "frame": "rgba(86, 106, 140, 1)",
      "tab_background_text": "rgba(3, 1, 20, 1)",
      "toolbar": "rgba(40, 93, 153, 0.08)",
      "bookmark_text": "rgba(3, 1, 20, 1)",
      "toolbar_field": "rgba(17, 79, 138, 0.06)",
      "toolbar_field_text": "rgba(3, 1, 20, 1)",
      "tab_line": "rgba(3, 1, 20, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{937541ec-587c-454f-905f-7b74fa436ab6}"
    }
  }
}