Examine source code of Wargle

{
  "theme": {
    "images": {
      "theme_frame": "wargle321.jpg"
    },
    "colors": {
      "frame": "#0a0202",
      "tab_background_text": "#fcf9f9"
    }
  },
  "version": "2.0",
  "name": "Wargle",
  "manifest_version": 2,
  "description": "Wargle:\n\nA Generation V Pokemon\n\nImage from pokebeach"
}