<!DOCTYPE html>
<html>
<head>
<title>Title of the document</title>
<style>
div {
max-width: 50%;
background-color: #1c87c9;
}
</style>
</head>
<body>
<h2>Max-width property example</h2>
<div>The max-width of this text is defined as 50%.</div>
</body>
</html>