border-width: thin medium thick 3px
<html>
<head>
<title>Border Width Properties</title>
<style>
body {font-size: 1.3em;}
p {background-color: white;
border-style: solid;
border-width: thin medium thick 3px;}
</style>
</head>
<body>
<p>Paragraph features:a solid border style with
the top set to "thin," the right set to "medium,"
the bottom set to "thick," and the left set to 3 pixels.</p>
</body>
</html>
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