Title: wpmu_activate_stylesheet
Published: April 25, 2014
Last modified: May 20, 2026

---

# wpmu_activate_stylesheet()

## In this article

 * [Source](https://developer.wordpress.org/reference/functions/wpmu_activate_stylesheet/?output_format=md#source)
 * [Changelog](https://developer.wordpress.org/reference/functions/wpmu_activate_stylesheet/?output_format=md#changelog)

[ Back to top](https://developer.wordpress.org/reference/functions/wpmu_activate_stylesheet/?output_format=md#wp--skip-link--target)

Loads styles specific to this page.

## 󠀁[Source](https://developer.wordpress.org/reference/functions/wpmu_activate_stylesheet/?output_format=md#source)󠁿

    ```php
    function wpmu_activate_stylesheet() {
    	?>
    	<style>
    		.wp-activate-container { width: 90%; margin: 0 auto; text-align: start; padding: 24px; box-sizing: border-box; }
    		.wp-activate-container form { margin: 24px 0; }
    		.wp-activate-container p { font-size: 18px; }
    		#key, #submit { font-size: 24px; box-sizing: border-box; margin: 5px 0; }
    		#key { width: 100%; direction: ltr; }
    		#submit { width: auto; }
    		span.h3 { font-weight: 600; }
    	</style>
    	<?php
    }
    ```

[View all references](https://developer.wordpress.org/reference/files/wp-activate.php/)
[View on Trac](https://core.trac.wordpress.org/browser/tags/7.0/src/wp-activate.php#L101)
[View on GitHub](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-activate.php#L101-L113)

## 󠀁[Changelog](https://developer.wordpress.org/reference/functions/wpmu_activate_stylesheet/?output_format=md#changelog)󠁿

| Version | Description | 
| [MU (3.0.0)](https://developer.wordpress.org/reference/since/mu.3.0.0/) | Introduced. |

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