Examine source code of Painted Vineyard

{
  "name": "Painted Vineyard",
  "manifest_version": 2,
  "version": "6.0",
  "theme": {
    "images": {
      "theme_frame": "VinyardH.jpg"
    },
    "colors": {
      "frame": "rgba(56, 84, 23, 1)",
      "tab_background_text": "rgba(203, 255, 31, 1)",
      "toolbar": "rgba(0, 0, 0, 0)",
      "bookmark_text": "rgba(253, 229, 18, 1)",
      "toolbar_field": "rgba(55, 84, 23, 0.06)",
      "toolbar_field_text": "rgba(255, 255, 97, 1)",
      "tab_line": "rgba(255, 255, 255, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{188995d5-e71e-49c2-ad5a-f6b3105534f3}"
    }
  }
}