EXAMPLE
Run
<!DOCTYPE html>

<head>
	<title>Block size property in CSS</title>
	<style type="text/css">
		.exampleText {
		  writing-mode: vertical-rl;
		  background-color: red;
		  block-size: 250px;
		}
	</style>
</head>

<body>
	<p class="exampleText">Welcome To Study Tonight!</p>
</body>

</html>