Examine source code of Nightmare8894

{
  "name": "Nightmare8894",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "Nightmare8894 X mobin8894 - Copy (2).png"
    },
    "colors": {
      "frame": "rgba(171, 0, 0, 1)",
      "tab_background_text": "rgba(0, 0, 0, 1)",
      "toolbar": "rgba(87, 0, 0, 1)",
      "bookmark_text": "rgba(158, 0, 0, 1)",
      "toolbar_field": "rgba(5, 0, 0, 1)",
      "toolbar_field_text": "rgba(107, 0, 0, 1)",
      "tab_line": "rgba(133, 0, 0, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{c910b93b-c0e5-412f-8580-6b0a7eb91f37}"
    }
  }
}