Examine source code of Windows 98 Theme [Dark]

{
  "name": "Windows 98 Theme [Dark]",
  "manifest_version": 2,
  "version": "4.0",
  "theme": {
    "images": {
      "theme_frame": "Untitled.png"
    },
    "colors": {
      "frame": "rgba(0, 0, 0, 1)",
      "tab_background_text": "rgba(255, 255, 255, 1)",
      "toolbar": "rgba(64, 64, 64, 1)",
      "bookmark_text": "rgba(255, 255, 255, 1)",
      "toolbar_field": "rgba(128, 128, 128, 1)",
      "toolbar_field_text": "rgba(255, 255, 255, 1)",
      "tab_line": "rgba(128, 128, 128, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{d9d719cb-478f-4fcc-a928-c17a5e49f113}"
    }
  }
}