Live Demo: commenting-code

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<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <title>Example of Commenting Code in CSS</title>
  <style>
    h1 {
        color: blue;
        text-align: center;
    }
    /*
    p {
        font-size: 18px;
        text-transform: uppercase;
    }
    */
  </style>
</head>
<body>
  <h1>This is a heading</h1>
  <p>This is a paragraph of text.</p>
</body>
</html>                            

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