Examine source code of Our Winter Barn

{
  "name": "Our Winter Barn",
  "manifest_version": 2,
  "version": "4.0",
  "theme": {
    "images": {
      "theme_frame": "OurWinterBarnH.jpg"
    },
    "colors": {
      "frame": "rgba(212, 231, 244, 1)",
      "tab_background_text": "rgba(0, 0, 0, 1)",
      "toolbar": "rgba(213, 231, 245, 0)",
      "bookmark_text": "rgba(0, 0, 0, 1)",
      "toolbar_field": "rgba(213, 231, 245, 0.08)",
      "toolbar_field_text": "rgba(0, 0, 0, 1)",
      "tab_line": "rgba(128, 77, 84, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{33908157-56e1-45a7-bbb9-2d93dc6e1cb7}"
    }
  }
}