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Modular Custom CSS

wordpress.orgOther creative

PulseGate's liveness check found it on 14 Sep 2026; it is registered on WordPress.org and has been in the index since 1 Aug 2026. How this is checked

Modular Custom CSS extends the WordPress Customizer with a persistent plugin CSS option that applies regardless of the active theme. Changes are live-previewed instantly. It complements the core theme-specific Additional CSS feature and stores CSS as a site option. The plugin was created before core Additional CSS existed and continues to serve users needing global styles.

Inferred · not functionally tested

FreeWebSelf-hosted
Visit wordpress.org

Overview

4 features

Purpose: Managing CSS that needs to persist independently of the active theme on a WordPress site.

Inferred · not functionally tested

Audience: wordpress developers and designers

Inferred · not functionally tested

Functions: Unknown

Interfaces: API: unknown · MCP: unknown · CLI: unknown · Self-hosting: indicated (inferred, not tested)

Recorded constraints: pricing: free · license: Proprietary · platforms: WEB · deployment: browser, self_hosted

Constraint provenance is unknown; confirm requirements with the publisher.

Record sources: wordpress.org · wordpress.org. These links do not verify the individual claims.

In the Other creative space, Modular Custom CSS takes a focused approach. Inferred · not functionally tested: It focuses on managing CSS that needs to persist independently of the active theme on a WordPress site. Inferred · not functionally tested: It is built as a B2B2C product for wordpress developers and designers. Basis unknown · not verified: Modular Custom CSS is free to use. Basis unknown · not verified: It runs on the web, and it can be self-hosted.

It is developed by Nick Halsey, and it first shipped in 2014. Inferred · not functionally tested: Key capabilities include Global CSS, Customizer Integration, and Live Preview. The interface is available in English and Chinese.

Summary written by a language model from the project’s public pages.

Tasks: Inferred · not functionally tested

  • Global CSS
  • Customizer Integration
  • Live Preview
  • Theme-independent

Topics: Inferred · not functionally tested

Tags
custom-cssglobal-styleswordpress-plugincustomizer

JSON profile · Text profile · Access guide

Built with & integrations

Runs on
BrowserSelf-hosted

Trust & compliance

Public signals
HTTPSPrivacy PolicyFree tierMulti-language
Legal
Privacy Policy

Indexing history

1

What PulseGate has recorded for this listing

  1. Indexed1 Aug · 22:47 UTC
    Modular Custom CSS seen via WordPress Plugins
    Source: WordPress Plugins · Open

Frequently asked questions about Modular Custom CSS

What is Modular Custom CSS?
Inferred · not functionally tested: Modular Custom CSS focuses on managing CSS that needs to persist independently of the active theme on a WordPress site. It is catalogued under Other creative on PulseGate.
Who should use Modular Custom CSS?
Inferred · not functionally tested: Modular Custom CSS is a B2B2C product built for wordpress developers and designers.
Is Modular Custom CSS free?
Basis unknown · not verified: Yes — Modular Custom CSS is free to use.
What platforms does Modular Custom CSS run on?
Basis unknown · not verified: Modular Custom CSS runs on the web. It can also be self-hosted.
Is Modular Custom CSS still active?
PulseGate's liveness check found it on 14 Sep 2026.
What projects are similar to Modular Custom CSS?
Similar projects tracked by PulseGate include Customizer Custom CSS, Multisite Custom CSS, and WordPress plugin.Customizer Custom CSSMultisite Custom CSSWordPress plugin
Who develops Modular Custom CSS?
Modular Custom CSS is developed by Nick Halsey.
When did Modular Custom CSS launch?
Modular Custom CSS first shipped in 2014.

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