Make America Medieval Again

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 2,
  "name": "Make America Medieval Again",
  "description": "Replaces images of Donald Trump with images of medieval manuscripts. Based on code for Make America Kittens Again",
  "version": "1.0",
  "options_page": "mamaoptions.html",
  "permissions": [
    "http://www.teaandkittens.co.uk/",
    "storage",
    "contextMenus"
  ],
  "icons": {
    "48": "mama48.png",
    "128": "mama128.png"
  },
  "browser_action": {
    "default_icon": {
      "48": "mama48.png",
      "128": "mama128.png"
    },
    "default_title": "#MAMA",
    "default_popup": "mamaoptions.html"
  },
  "background": {
    "scripts": [
      "setmamamenu.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "mama.js"
      ]
    }
  ],
  "web_accessible_resources": [
    "mss/*.jpg"
  ]
}