manifest.json

{
    "name":"EMU Print Center",
    "description":"EMU Print Center checkout and management system",
    "version":"1",
    "manifest_version":2,
    "background": {
      "page": "background.html",
      "persistent": true
    },
    "content_security_policy": "script-src 'self' 'unsafe-eval' https://*.firebaseio.com https://apis.google.com; object-src 'self'",
    "content_scripts": [
        {
          "matches": ["https://ebill.emich.edu/C20704_ustores/*"],
          "js": ["inject.js"],
          "css": ["./css/inject.css"],
          "run_at": "document_idle"
        }
    ],
    "web_accessible_resources": [
        "/inject-toolbar.html"
    ],
    "browser_action": {
        "default_popup": "/popup.html",
        "default_icon": "assets/img/icon.png"
    },
    "permissions": [
      "tabs",
      "cookies",
      "*://ebill.emich.edu/*"
    ]
}