CSS Selector Tester

Highlight the elements matching a given CSS selector.

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manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 3,
  "name": "CSS Selector Tester",
  "description": "Highlight the elements matching a given CSS selector.",
  "version": "1.1",
  "permissions": [
    "activeTab",
    "scripting"
  ],
  "action": {
    "default_title": "CSS Selector Tester",
    "default_popup": "popup.html"
  },
  "icons": {
    "16": "icon/CSS_Selector_Tester16.png",
    "32": "icon/CSS_Selector_Tester32.png",
    "48": "icon/CSS_Selector_Tester48.png",
    "128": "icon/CSS_Selector_Tester128.png"
  },
  "author": "sklab"
}