Programming Code Center(PCC)
[HTML]

(PCC)::[How-to-use-HTML-with-CSS-using-the-id-attribute]::[html]

File Name : index.html

<!DOCTYPE html>
<html>
<head>
<style>
#p01 {
  color: blue;
}
</style>
</head>
<body>

<p>This is a paragraph.</p>
<p>This is a paragraph.</p>
<p id="p01">I am different.</p>

</body>
</html>

Output :

This is a paragraph.

This is a paragraph.

I am different.