title: Hover highlight multiple div tags
body: <p>Attached is an image showing what I'm looking for. As the mouse hovers over boxes all the boxes above the mouse are highlighted. Boxes are totally separate 
  
  <p>I cannot for the LIFE of me figure this out!</p>
  
  <p>Thank you for your help.</p>
  
  <p><img src="https://i.stack.imgur.com/ly1rb.jpg" alt="enter image description here"></p>