Examine source code of Konsistent Gray

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Konsistent Gray",
  "theme": {
    "images": {},
    "properties": {},
    "colors": {
      "toolbar": "rgb(128, 128, 128)",
      "toolbar_text": "rgb(255, 255, 255)",
      "frame": "rgb(90, 90, 90)",
      "tab_background_text": "rgb(255, 255, 255)",
      "toolbar_field": "rgb(255, 255, 255)",
      "toolbar_field_text": "rgb(34, 34, 34)",
      "tab_line": "rgb(248, 112, 140)",
      "popup": "rgb(255, 255, 255)",
      "popup_text": "rgb(34, 34, 34)",
      "tab_loading": "rgb(248, 112, 140)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{b6ac5c70-7e80-47cf-9622-7c4d7008e383}"
    }
  }
}