Examine source code of GTAVgame

{
  "name": "GTAVgame",
  "manifest_version": 2,
  "version": "3.0",
  "theme": {
    "images": {
      "theme_frame": "543393.jpg"
    },
    "colors": {
      "frame": "rgba(88, 121, 196, 1)",
      "tab_background_text": "rgba(28, 24, 24, 1)",
      "toolbar": "rgba(166, 130, 130, 1)",
      "bookmark_text": "rgba(10, 10, 10, 1)",
      "toolbar_field": "rgba(171, 66, 66, 1)",
      "toolbar_field_text": "rgba(23, 17, 17, 1)"
    }
  }
}