Examine source code of 1983

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "1983",
  "theme": {
    "images": {},
    "properties": {},
    "colors": {
      "toolbar": "rgb(77, 77, 255)",
      "toolbar_text": "rgb(255, 255, 255)",
      "frame": "rgb(217, 1, 122)",
      "tab_background_text": "rgb(255, 255, 255)",
      "toolbar_field": "rgb(54, 58, 89)",
      "toolbar_field_text": "rgb(255, 255, 1)",
      "tab_line": "rgb(255, 255, 1)",
      "popup": "rgb(217, 1, 122)",
      "popup_text": "rgb(255, 255, 255)",
      "tab_loading": "rgb(255, 255, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{ba42843a-e5ca-4c1b-b2bc-62ae6c732ed0}"
    }
  }
}