Examine source code of Math Solver Overlay

{
  "manifest_version": 2,
  "name": "Math Solver Overlay",
  "version": "1.3",
  "description": "Highlight math expressions, solve instantly with overlay, history, and scientific functions.",
  "permissions": [
    "activeTab",
    "storage",
    "contextMenus",
    "clipboardWrite"
  ],
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": false
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content.js"
      ]
    }
  ],
  "browser_action": {
    "default_title": "Math Solver Overlay",
    "default_popup": "popup.html"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{983bf0f1-0617-42de-b52f-1f7ac793e5b1}"
    }
  }
}