Don't Believe AI - Chrome Extension

DontBelieveAI.js

//
// Don't Believe AI
// Chrome Extension
//
window.onload = function() {
  const stickynote = document.createElement("div");
  Object.assign(stickynote.style, {
    position: "absolute",
    top: "10px",
    right: "40px",
    width: "150px",
    height: "130px",
    backgroundImage: "url('https://aikelab.net/etc/dontbelieve.png')",
    backgroundSize: "150px"
  });
  document.body.appendChild(stickynote);
};

manifest.json

{
  "name": "Don't Believe AI",
  "version": "1.0.0",
  "manifest_version": 3,
  "description": "Don't Believe AI",
  "content_scripts": [{
    "matches": ["https://chat.openai.com/chat"],
    "js": ["DontBelieveAI.js"]
  }]
}