Examine source code of Reclaimnation - Dark Mode

{
  "name": "Reclaimnation",
  "manifest_version": 2,
  "version": "4.0",
  "theme": {
    "images": {
      "theme_frame": "Reclamnation - Dark Mode.jpg"
    },
    "colors": {
      "toolbar": "rgba(38, 38, 38, 0.87)",
      "toolbar_field": "rgba(26, 26, 26, 0.59)",
      "toolbar_field_text": "rgba(186, 186, 186, 1)",
      "frame": "rgba(74, 74, 74, 1)",
      "tab_background_text": "rgba(166, 166, 166, 1)",
      "bookmark_text": "rgba(232, 232, 232, 1)"
    }
  }
}