Get your own website Result Size: 625 x 565
x
 
<!DOCTYPE html>
<html>
<head>
<style>
div {
  background-color: yellow;
  padding: 20px;
  display: none;
}
  
span:hover + div {
  display: block;
}
</style>
</head>
<body>
<span>Hover over me!</span>
<div>I will show on hover</div>
</body>
</html>