Examine source code of balkansbesthostels.org

{
  "theme": {
    "images": {
      "theme_frame": "Untitled-3.jpg"
    },
    "colors": {
      "frame": "#7d7979",
      "tab_background_text": "#ebe84d"
    }
  },
  "version": "2.0",
  "name": "balkansbesthostels.org",
  "manifest_version": 2,
  "description": "all the best hostels in the Balkans on one place"
}