Examine source code of Warcraft Fun

{
  "theme": {
    "images": {
      "theme_frame": "oopl.jpg"
    },
    "colors": {
      "frame": "#1876a1",
      "tab_background_text": "#005b94"
    }
  },
  "version": "2.0",
  "name": "Warcraft Fun",
  "manifest_version": 2,
  "description": "lol"
}