(PCC)[CSS] How to set All the top border properties in one declaration

Programming Code Center(PCC)
[CSS]

(PCC)::[How-to-set-All-the-top-border-properties-in-one-declaration]::[css]

File Name : index.html

<!DOCTYPE html>
<html>
<head>
<style>
p {
  border-style: solid;
  border-top: thick double #ff0000;
}
</style>
</head>
<body>

<p>This is some text in a paragraph.</p>

</body>
</html>

Output :

This is some text in a paragraph.