Ditto

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "author": "Yana Gevorgyan",
  "name": "Ditto",
  "version": "2.2",
  "description": "Paste CSS text styles from a webpage directly into Sketch.",
  "permissions": [
    "activeTab",
    "tabs",
    "storage",
    "clipboardWrite",
    "clipboardRead",
    "<all_urls>"
  ],
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": false
  },
  "browser_action": {
    "default_title": "Waiting for background..."
  },
  "icons": {
    "16": "icon16.png",
    "48": "icon48.png",
    "128": "icon128.png"
  },
  "commands": {
    "copy-styles": {
      "suggested_key": {
        "default": "Ctrl+Right"
      },
      "description": "Copy Styles"
    }
  },
  "web_accessible_resources": [
    "TestPage/test.html",
    "TestPage/item.html",
    "TestPage/myscript.js",
    "fonts/Roboto-Regular.ttf",
    "fonts/Roboto-Bold.ttf",
    "fonts/RobotoMono-Medium.ttf"
  ],
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "css": [
        "TestPage/test.css"
      ]
    }
  ],
  "manifest_version": 2
}