title: Hide AppBar menu on desktop (large width screens)
body: <p>I want to show/hide the menu icon (the 3 horizontal bars below) in the AppBar depending on the width of the screen. Is there a directive or a css class that makes this possible?</p>
  
  <p><a href="https://i.stack.imgur.com/GaGns.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/GaGns.png" alt="enter image description here"></a></p>