Examine source code of View from Eccles Pike

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "#827a32",
      "tab_background_text": "#f2f3eb"
    }
  },
  "version": "2.0",
  "name": "View from Eccles Pike",
  "manifest_version": 2,
  "description": "Looking south from Eccles Pike to Combs Moss in winter, the snows clinging to the hillsides, in the Peak District National Park in Derbyshire."
}