HTML
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<link name="favicon" type="image/x-icon" href="https://skillzam.com/uploads/system/e353194f3b7cd1b75d69c3ab88041985.png" rel="shortcut icon" />
<title>Comments in CSS</title>
<style>
h1 {
color: blue; /* color of the h1 heading is set to blue*/
}
/* Below CSS code is commented */
/* h1 {
color: red;
} */
</style>
</head>
<body>
<h1>Demo: Comments in CSS</h1>
<p>The color of the h1 heading above is set to "BLUE", instead of "RED". Because the CSS rule for setting the color to red is commented in <style> Tag.</p>
</body>
</html>