<!DOCTYPE html>
<html>
<head>
<style>
div {
max-width: 500px;
height: 100px;
border: 3px solid #73AD21;
}
</style>
</head>
<body>
<h2>Set max-width of an Element:</h2>
<div>
This div element has a height of 100px and a max-width of 500px.
Resize the browser window to see the effect.
</div>
</body>
</html>