Outline Chrome Extension

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "name": "Outline Chrome Extension",
  "version": "0.1.0",
  "author": "Alejandro Zepeda",
  "description": "Add an outline style and see the boundaries of every HTML element without affecting the layout (sizing or positioning).",
  "manifest_version": 2,
  "homepage_url": "https://github.com/alejandrozepeda/outline-chrome-extension",
  "icons": {
    "128": "icons/outline.png"
  },
  "browser_action": {
    "default_icon": "icons/outline-black.png"
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "js/content.js"
      ]
    }
  ],
  "background": {
    "scripts": [
      "js/background.js"
    ],
    "persistent": false
  },
  "permissions": [
    "*://*/*",
    "<all_urls>",
    "storage",
    "activeTab"
  ]
}