Examine source code of Help for Kraljevo

{
  "theme": {
    "images": {
      "theme_frame": "Persona_Header_Kraljevo.jpg"
    },
    "colors": {
      "frame": "rgba(229,230,232,1)",
      "tab_background_text": "#9e2626"
    }
  },
  "version": "2.0",
  "name": "Help for Kraljevo",
  "manifest_version": 2,
  "description": "Help the city of Kraljevo that was struck by the earthquake.\nHelp those in need.\nMake ur donations and help those how lost there homes.\n<a href=\"https://outgoing.prod.mozaws.net/v1/0e2c8914d0e9a5053bcd2b9bde16f5626affd7bfc523e4371b6321fa6224fc3a/http%3A//www.kraljevo.org/OpstinaKraljevo-_688_lat\" rel=\"nofollow\">http://www.kraljevo.org/OpstinaKraljevo-_688_lat</a>"
}