Examine source code of Gambit Marvel

{
  "theme": {
    "images": {
      "theme_frame": "gambitpersona.jpg"
    },
    "colors": {
      "frame": "#78067a",
      "tab_background_text": "#7a066e"
    }
  },
  "version": "2.0",
  "name": "Gambit Marvel",
  "manifest_version": 2,
  "description": "Gambit from the Marvel Universe"
}