HTML height of 200px and a width of 50%

<!DOCTYPE html>
<html>
<head>
<style>
div {
    height: 200px;
    width: 50%;
    background-color: powderblue;
}
</style>
</head>
<body>

<h2>Set the height and width of an element</h2>

<p>This div element has a height of 200px and a width of 50%:</p>

<div></div>

</body>
</html>