Examine source code of Switzerland, Mountain

{
  "name": "Switzerland, Mountain",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "Switzerland, Mountain.jpg"
    },
    "colors": {
      "frame": "rgba(168, 186, 230, 1)",
      "tab_background_text": "rgba(0, 0, 0, 1)",
      "toolbar": "rgba(230, 181, 181, 1)",
      "bookmark_text": "rgba(222, 169, 169, 1)",
      "toolbar_field": "rgba(222, 178, 178, 1)",
      "toolbar_field_text": "rgba(224, 162, 162, 1)",
      "tab_line": "rgba(224, 166, 166, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{8690dfe9-948a-4d28-8c45-1b21ca3d8b2d}"
    }
  }
}