Examine source code of Classy APK New Tab

{
  "name": "Christine Falls",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "oie_5C2mKHLHdx64.jpg"
    },
    "colors": {
      "frame": "rgba(255, 255, 255, 1)",
      "tab_background_text": "rgba(255, 255, 255, 1)",
      "toolbar": "rgba(96, 219, 129, 0.43)",
      "bookmark_text": "rgba(255, 255, 255, 1)",
      "toolbar_field": "rgba(86, 186, 209, 0.46)",
      "toolbar_field_text": "rgba(255, 255, 255, 1)",
      "tab_line": "rgba(191, 32, 32, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{eedd9044-3f5a-4537-aa59-d37d97ba37f4}"
    }
  }
}