Examine source code of Lake Ice

{
  "theme": {
    "images": {
      "theme_frame": "PersonaIceHeader.jpg"
    },
    "colors": {
      "frame": "#b8cee3",
      "tab_background_text": "#08081a"
    }
  },
  "version": "2.0",
  "name": "Lake Ice",
  "manifest_version": 2,
  "description": "The wind blew lake water all over the shore, which quickly froze."
}