V7 Gmail Zoom

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"
}