Examine source code of spiderman farben theme

{
  "name": "spiderman",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "spiderman 1.png"
    },
    "colors": {
      "frame": "rgba(19, 78, 207, 1)",
      "tab_background_text": "rgba(49, 50, 54, 1)",
      "toolbar": "rgba(196, 22, 22, 1)",
      "bookmark_text": "rgba(224, 240, 252, 1)",
      "toolbar_field": "rgba(235, 226, 226, 1)",
      "toolbar_field_text": "rgba(60, 98, 201, 1)"
    }
  }
}