THE VERTICAL LINE USING HR TRANSFORM
Run 
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>HTML</title>
<style>
  hr {
    transform: rotate(90deg);
  }
</style>
</head>
<body>
	<h2>The vertical line using hr transform</h2>
	<hr>
</body>
</html>