Examine source code of CausewayCoast

{
  "theme": {
    "images": {
      "theme_frame": "NorthCoastHeader.jpg"
    },
    "colors": {
      "frame": "#10c9aa",
      "tab_background_text": "#074506"
    }
  },
  "version": "2.0",
  "name": "CausewayCoast",
  "manifest_version": 2,
  "description": "Dun Luce Castle, the Giant's Head, White Rocks Beach on the Antrim Coast of the north of Ireland"
}