Description
At a glance
Simple Custom CSS Plugin v4.0.7 is a free WordPress plugin with 100K+ active installs, 4.7/5 rating from 159 reviews, updated March 11, 2025, requires WordPress 3.0.1+. Download the latest GPL version below — free, with live demo included.
Add Custom CSS to your WordPress site without any hassles.
An easy-to-use WordPress Plugin to add custom CSS styles that override Plugin and Theme default styles. This plugin is designed to meet the needs of administrators who would like to add their own CSS to their WordPress website. Styles created with this plugin will render even if the theme is changed.
New in Version 4.0.7
- Tested for compatibility with WP 6.7.2
- Tested for compatibility with PHP 8.4
Features
- AMP Support
- Customizer Control (live preview)
- Useful Code Syntax Highlighter
- Code linting (error checking)
- No configuration needed
- Simple interface built on native WordPress UI
- Virtually no impact on site performance
- No complicated database queries
- Thorough documentation
- Allows Administrator access on WP Networks (Multisite)
Usage
-
Navigate to Appearance > Custom CSS in the Admin Menu
-
Enter in valid CSS styles
-
Click “Update Custom CSS”
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View your changes in the Front End of your website
Help
Frequently asked questions
What is Simple Custom CSS Plugin?
Simple Custom CSS Plugin is a free WordPress plugin available under the GPL license. The current version is 4.0.7. It is active on over 100K websites.
Is Simple Custom CSS Plugin free to download?
Yes — Simple Custom CSS Plugin 4.0.7 is a free GPL download with no hidden fees, no account needed, and no feature locked behind a paywall in this package. Users rate it 4.7 out of 5 based on 159 reviews.
How do I install Simple Custom CSS Plugin 4.0.7?
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 Simple Custom CSS Plugin?
Simple Custom CSS Plugin 4.0.7 requires WordPress 3.0.1 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 Simple Custom CSS Plugin last updated?
Version 4.0.7 was last updated on March 11, 2025. This page is refreshed automatically, so the download here always matches the newest version we have verified.
Is the Simple Custom CSS Plugin 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: 4.0.7
Updated: October 1, 2026
Technical details
| Version | 4.0.7 |
|---|---|
| Last updated | March 11, 2025 |
| Active installs | 100,000+ |
| Rating | ★★★★★ 4.7/5 (159 reviews) |
| Requires WordPress | 3.0.1 or higher |
| Author | John Regan |
| Tags | code, css, custom, custom-css, styles |
Demo Simple Custom CSS Plugin
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