title: How to get user agent styles in javascript
body: <p>I was able to get user stylesheets using <code>document.styleSheets</code> but I can't find the "user agent" stylesheets.<br>
  Is there a way to get default user agent styles?</p>
  
  <p><a href="https://i.stack.imgur.com/GU88F.png" rel="noreferrer"><img src="https://i.stack.imgur.com/GU88F.png" alt="enter image description here"></a></p>