Tutorial Article

CSS Comments

CSS comments are used to explain code, add notes, or temporarily disable styles without deleting them. Comments are ignored by the browser, meaning they do not affect how the webpage is displayed. They are very helpful for: Syntax CSS comments are written using /* to start and */ to end. Attributes Feature Description Example Single-line […]

Mar 30, 2026CSSCSS IntroductionTutorials

CSS comments are used to explain code, add notes, or temporarily disable styles without deleting them.

Comments are ignored by the browser, meaning they do not affect how the webpage is displayed.

They are very helpful for:

  • Debugging by disabling specific CSS rules
  • Making code easier to understand
  • Organizing large stylesheets

Syntax

CSS comments are written using /* to start and */ to end.

CSS Comments Syntax
 /* This is a CSS comment */
CSS Comment Example
p {
    color: blue; /* This sets text color to blue */
}

Attributes

FeatureDescriptionExample
Single-lineComment written in one line/* Comment */
Multi-lineComment written across multiple lines/* Line 1 Line 2 */
Inline commentComment written beside a propertycolor: red; /* text color */

Example

Complete Example
<!DOCTYPE html>
<html>
<head>
    <title>CSS Comments Example</title>
    <style>
        /* This is a comment for body styling */
        body {
            background-color: lightgray;
        }

        h1 {
            color: blue; /* Heading color */
        }

        /* Paragraph styling */
        p {
            color: green;
            font-size: 18px;
        }
    </style>
</head>
<body>

    <h1>CSS Comments</h1>
    <p>This paragraph is styled using CSS with comments.</p>

</body>
</html>

Output

Browser Output

  • The page will have a light gray background
  • The heading will appear in blue color
  • The paragraph will appear in green with larger font size
  • Comments will not be visible in the browser

Browser Support

Chrome
Chrome
Firefox
Firefox
Edge
Edge
Safari
Safari
Opera
Opera
IE
IE9+
✅Yes✅Yes✅Yes✅Yes✅Yes✅Yes

Notes

  • Comments are completely ignored by browsers
  • Useful for documenting code and improving readability
  • Can be used to temporarily disable CSS rules during testing
  • Always properly close comments using */
  • Nested comments are not supported in CSS

Conclusion

CSS comments are a simple yet powerful tool for writing clean and maintainable code. They help developers understand styles better and make debugging easier without affecting the final output of the webpage.