Examine source code of Iron Man Farben Theme

{
  "name": "Iron Man Farben Theme",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "index.jpg"
    },
    "colors": {
      "frame": "rgba(240, 14, 29, 1)",
      "tab_background_text": "rgba(204, 219, 72, 1)",
      "toolbar": "rgba(166, 38, 38, 1)",
      "bookmark_text": "rgba(240, 225, 9, 1)",
      "toolbar_field": "rgba(217, 83, 83, 1)",
      "toolbar_field_text": "rgba(255, 0, 0, 1)"
    }
  }
}