Examine source code of Alpengipfel

{
  "theme": {
    "images": {
      "theme_frame": "alpengipfel_o1.jpg"
    },
    "colors": {
      "frame": "#d7d9f7",
      "tab_background_text": "#020317"
    }
  },
  "version": "2.0",
  "name": "Alpengipfel",
  "manifest_version": 2,
  "description": "Alpengipfel - Haute Savoie"
}