Examine source code of tigrex monster hunter

{
  "theme": {
    "images": {
      "theme_frame": "tigrexbanner.jpg"
    },
    "colors": {
      "frame": "#fcf9f9",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "tigrex monster hunter",
  "manifest_version": 2,
  "description": "The great tigrex! for the game monster hunter. I do not own \"tigrex\" and the drawing of the tigrex. Enjoy this tigrex rawrrrrrrring onto your internet!"
}