Text Contrast for Dark Themes

manifest.json

{
  "applications": {
    "gecko": {
      "strict_min_version": "55.0"
    }
  },
  "background": {
    "scripts": [
      "bg.js"
    ]
  },
  "browser_action": {
    "browser_style": false,
    "default_icon": "icons/icon-vec.svg",
    "default_popup": "popup/toggles.html",
    "default_title": "Toggle text contrast fix"
  },
  "description": "Fixes low-contrast text when using system colors with a dark desktop theme.",
  "manifest_version": 2,
  "name": "Text Contrast for Dark Themes",
  "options_ui": {
    "browser_style": false,
    "page": "opt/options.html",
    "open_in_tab": true
  },
  "permissions": [
    "<all_urls>",
    "storage",
    "tabs",
    "webNavigation"
  ],
  "version": "2.1.6"
}