Examine source code of Med Cruise

{
  "theme": {
    "images": {
      "theme_frame": "Mediterranean-Header1.jpg"
    },
    "colors": {
      "frame": "#787272",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Med Cruise",
  "manifest_version": 2,
  "description": "Looking out the balcony of the ship on the Mediterranean"
}