background color grazer

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 2,
  "name": "background color grazer",
  "version": "1.1",
  "description": "Get background colors from the current tab.The cow grazes the colors.",
  "browser_action": {
    "default_icon": "cow.png",
    "default_title": "Graze the colors"
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "css": [
        "popup.css",
        "styles.css"
      ],
      "js": [
        "jquery.min.js",
        "jquery.popup.js"
      ],
      "run_at": "document_end"
    }
  ],
  "background": {
    "matches": [
      "<all_urls>"
    ],
    "css": [
      "popup.css"
    ],
    "scripts": [
      "jquery.min.js",
      "jquery.popup.js",
      "event.js"
    ],
    "persistent": false,
    "run_at": "document_end"
  },
  "permissions": [
    "<all_urls>"
  ]
}