Examine source code of whl.travel

{
  "theme": {
    "images": {
      "theme_frame": "12.jpg"
    },
    "colors": {
      "frame": "#000000",
      "tab_background_text": "#000000"
    }
  },
  "version": "2.0",
  "name": "whl.travel",
  "manifest_version": 2,
  "description": "<a href=\"https://outgoing.prod.mozaws.net/v1/d77a2f17bd1f970f56c0eac461481082afae1ea60dae8643089e4e7492395103/http%3A//whl.travel\" rel=\"nofollow\">whl.travel</a> is a global network of local tourism professionals who provide travellers with opportunities in experiential and responsible travel."
}