Examine source code of Avengers Endgame Galaxy

{
  "name": "avengers-endgame-galaxy",
  "manifest_version": 2,
  "version": "1.1resigned1",
  "theme": {
    "images": {
      "theme_frame": "Avengers Endgame Space.jpg"
    },
    "colors": {
      "frame": "rgba(255, 255, 255, 1)",
      "tab_background_text": "rgba(255, 255, 255, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{4fb4656a-be35-454f-b763-a4496253d316}"
    }
  }
}