Examine source code of Berry Kitty Delight

{
  "name": "Berry Kitty Delight",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "0.png"
    },
    "colors": {
      "frame": "rgba(229, 230, 232, 1)",
      "tab_background_text": "rgba(0, 0, 0, 1)",
      "bookmark_text": "rgba(186, 166, 166, 1)",
      "toolbar_field_text": "rgba(181, 128, 128, 1)",
      "tab_line": "rgba(245, 19, 19, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{d9241ce2-7217-4129-af68-4b4084c0cf91}"
    }
  }
}