Admin CSS MU
Add custom CSS to style the WordPress Admin. Works with Multisites.
4.5(26 reviews)
·10K+ active installs·Updated 1 year agoAs of April 2026, Admin CSS MU is a WordPress admin plugin with 10K+ active installations and a 4.5/5 rating from 26 reviews. It has been downloaded 112K+ times in total. Requires WordPress 3.0+ and PHP 7.0+. Available on WordPress.org since 2012. Last updated 1 year ago — may have compatibility concerns. Downloads are up 58% this week. Top alternative: Loginizer.
4.5/526 reviews
10K+active installs
112K+total downloads
14 yearssince 2012
Overview
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.
Screenshots
Ratings & Reviews
4.526 reviews
5 ★
21
4 ★
2
3 ★
1
2 ★
0
1 ★
2
Recent Reviews
Best plugin
by hirenwebs·2 years ago
This plugin helped me to enable table columns in device mode. Good plugin to use it.
I really Needed This!!!
by Jimmy Lee·2 years ago
Exactly what I needed! Thanks so much!
Works perfect
by tlcpllechlak·2 years ago·1 reply
Thank you!
Nice, but not works with complex css
by tokach·2 years ago·1 reply
It do simple css but can’t handle media queries or multiple selectors. Better it simply add styles than making them pretty, I bet tidying is messing all
Works great. Thank you.
by Mara-z·2 years ago·1 reply
Works great. Thank you.
Download Trends
Today: 21Yesterday: 58This week: 131Period total: 8K
Compatibility
| WordPress | 3.0+ requiredTested up to 6.7.5 |
| PHP | 7.0+ required |
Version Adoption
v2.10
83.7%
Other
10.6%
v2.5
5.7%
Top Alternatives to Admin CSS MU
Frequently Asked Questions
Changelog
2.10
- Date: 04.October.2023
- Tested with WordPress 6.3.1
- Enhancement: Added compatibility with PHP 8.x
Contributors
Plugin data sourced from WordPress.org. Analysis and metrics by PluginSift.