Examine source code of V7 Gmail Zoom

Inspect and view changes in V7 Gmail Zoom source codes across current and past versions
Premium users can view and search full source code, and see the source code differences between two versions.
Upgrade to premium
manifest.json
{
  "background": {
    "persistent": false,
    "scripts": [
      "background.js"
    ]
  },
  "options_page": "options.html",
  "content_scripts": [
    {
      "all_frames": false,
      "css": [
        "cnt.css"
      ],
      "js": [
        "cnt.js"
      ],
      "matches": [
        "https://mail.google.com/*"
      ],
      "run_at": "document_start"
    }
  ],
  "description": "Better reading experience on Gmail",
  "icons": {
    "19": "img/i19.png",
    "48": "img/i48.png",
    "64": "img/i64.png"
  },
  "manifest_version": 2,
  "name": "V7 Gmail Zoom",
  "permissions": [
    "storage"
  ],
  "version": "2.1",
  "web_accessible_resources": [
    "img/*.*"
  ],
  "update_url": "https://edge.microsoft.com/extensionwebstorebase/v1/crx"
}