Examine source code of Spring in the Forest

{
  "name": "Spring  in the Forest",
  "manifest_version": 2,
  "version": "4.0",
  "theme": {
    "images": {
      "theme_frame": "FlowersintheForestHCustom.jpg"
    },
    "colors": {
      "frame": "rgba(51, 66, 9, 1)",
      "tab_background_text": "rgba(255, 255, 255, 1)",
      "toolbar": "rgba(51, 66, 9, 0)",
      "bookmark_text": "rgba(255, 255, 255, 1)",
      "toolbar_field": "rgba(51, 66, 9, 0.07)",
      "toolbar_field_text": "rgba(255, 255, 255, 1)",
      "tab_line": "rgba(189, 255, 199, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{53c83d12-3b01-41a9-ac84-fc191fb885d7}"
    }
  }
}