Run Example

Edit This Code:

<!DOCTYPE html>
<html>
<head>
  <title>Page Title</title>
  <style>
	#unique {
	  color: red;
	  background-color: lightblue;
	  padding: 20px;
	}
  </style>
</head>

<body>
  <p> This is an example of id attribute: </p>
  <h1 id="unique"> id attribute </h1>
</body>
</html>

Result: