JSFiddle - React, Tailwind, and code Playground

by budyniowski

HTML

<script src="https://code.jquery.com/jquery-3.4.1.slim.js"></script>
<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.4.1/css/bootstrap.css">
<script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.16.0/umd/popper.js"></script>
<script src="https://stackpath.bootstrapcdn.com/bootstrap/4.4.1/js/bootstrap.js"></script>
<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/font-awesome/4.7.0/css/font-awesome.css">
<!-- 
  Bootstrap docs: https://getbootstrap.com/docs
-->

<div id="item-description">test</div>
<div class="container">
  <div class="row">
    <div class="col item">
      1 of 2
    </div>
    <div class="col">
      2 of 2
    </div>
  </div>
  <div class="row">
    <div class="col">
      1 of 3
    </div>
    <div class="col">
      2 of 3
    </div>
    <div class="col">
      3 of 3
    </div>
  </div>  
</div>

CSS

.row {
  background: #f8f9fa;
  margin-top: 20px;
}

.col {
  border: solid 1px #6c757d;
  padding: 10px;
}

.item {
  
}

#item-description {
  position: absolute;
  top: 0;
  left: 0;
  background-color: rgba(0,0,0,.5);
  color: #fff;
  padding-left:30px;
  padding-right:30px;
}

JavaScript

$('.item').on('mousemove', function(e){
    $('#item-description').css({
       left:  e.pageX,
       top:   e.pageY
    });
});