<!DOCTYPE html>
<html>
<head>
<title>Title of the document</title>
<style>
p {
padding: 10px;
border-style: dashed;
border-left-width: thick;
}
</style>
</head>
<body>
<h2>Border-left-width example</h2>
<p>As you can see the width of the left border is set to thick.</p>
</body>
</html>