Gmail image fit

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "name": "Gmail image fit",
  "version": "1.0",
  "description": "Resize the images in the mail body to prevent the horizontal scrolling",
  "manifest_version": 2,
  "author": "Flavio Cristoforetti, https://github.com/Omnia89",
  "default_locale": "en",
  "content_scripts": [
    {
      "matches": [
        "https://mail.google.com/*"
      ],
      "css": [
        "main.css"
      ]
    }
  ],
  "icons": {
    "16": "icons/icon16.png",
    "32": "icons/icon32.png",
    "64": "icons/icon64.png",
    "128": "icons/icon128.png",
    "256": "icons/icon256.png",
    "512": "icons/icon512.png"
  }
}