Description
At a glance
Admin CSS MU v2.10 is a free WordPress plugin with 10K+ active installs, 4.5/5 rating from 26 reviews, updated December 9, 2024, requires WordPress 3.0+ & PHP 7.0+. Download the latest GPL version below — free, with live demo included.
A simple plugin that lets you add your custom CSS to style the WordPress Admin. Works with WordPress single install and WordPress multisites.
Version 2.0 is updated wtih an Admin interface and can be found in Appearance > Admin CSS MU
Admin CSS MU uses CSSTidy to clean and optionally minify CSS. CSS is only minified while using it. The editor always shows un-minified CSS for easy editing.
Note: If you want to easily add custom CSS on your Login and Front-end as well (along with WordPress Admin), use my Custom Login Admin Front-end CSS plugin instead.
Frequently asked questions
What do I get when I download Admin CSS MU?
Admin CSS MU 2.10 is the latest version. It is a WordPress plugin you can download here free of charge under the GPL license, with the complete feature set included and no trial limitations. It holds a 4.5/5 rating from 26 user reviews.
Does Admin CSS MU cost anything?
No. Admin CSS MU 2.10 is 100% free — the full GPL version, not a trial or demo. There are no download limits, no accounts to create, and no upsells during the download.
How do I install Admin CSS MU 2.10?
Download the ZIP file from this page, then in your WordPress dashboard go to Plugins → Add New → Upload Plugin, choose the file, click Install Now, then Activate. The plugin works immediately after activation — no license key or extra setup is required for the core features.
What are the requirements for Admin CSS MU?
Admin CSS MU 2.10 requires WordPress 3.0 or higher and PHP 7.0 or higher. Most modern WordPress hosts already meet these versions. Running older versions may cause features to break, so update WordPress and PHP first if your site is behind.
When was Admin CSS MU last updated?
Version 2.10 was last updated on December 9, 2024. This page is refreshed automatically, so the download here always matches the newest version we have verified.
Is the Admin CSS MU download safe?
The file is sourced directly from the official WordPress.org repository — the same file the developer published. It is served unmodified, so what you install here is byte-identical to the official release.
Version: 2.10
Updated: October 1, 2026
Technical details
| Version | 2.10 |
|---|---|
| Last updated | December 9, 2024 |
| Active installs | 10,000+ |
| Rating | ★★★★★ 4.5/5 (26 reviews) |
| Requires WordPress | 3.0 or higher |
| Requires PHP | 7.0 or higher |
| Author | Arun Basil Lal |
| Tags | admin, admin-css, admin-interface, custom-admin-css, mu-plugin |
Demo Admin CSS MU
Download Admin CSS MU
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