<!DOCTYPE html>
<html>
<head>
<title>Title of the document</title>
<style>
div:empty {
background-color: #ccc;
padding: 15px;
width: 50%;
height: 50px;
}
</style>
</head>
<body>
<h2>:empty selector example</h2>
<p>
Lorem Ipsum is the dummying text of the printing and typesetting industry. Lorem Ipsum has been the industry's standard dummy text ever since the 1500s when an unknown printer took a galley of type and scrambled it to make a type specimen book. It has survived not only five centuries, but also the leap into electronic typesetting, remaining essentially unchanged.
</p>
<div></div>
<p>
Lorem Ipsum is simply dummying text of the printing and typesetting industry. Lorem Ipsum has been the industry's standard dummy text ever since the 1500s when an unknown printer took a galley of type and scrambled it to make a type specimen book. It has survived not only five centuries, but also the leap into electronic typesetting, remaining essentially unchanged.
</p>
</body>
</html>