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Blocks CSS: CSS Editor for Gutenberg Blocks
Blocks CSS allows you add custom CSS to your Blocks straight from the Block Editor (Gutenberg).
The facts
- Rating
- 4.9★ from 25
- Active installs
- 5k+
- Price
- Free
- Last updated
- 12 Aug 2026
- Added
- Feb 2019
- Requires WP
- 6.6
- Tested up to
- WP 7.0.4
- Requires PHP
- 5.4
- Downloads
- 218,697
Our analysis
AI-assistedBlocks CSS is a WordPress plugin that enables you to add custom CSS directly to your Gutenberg Blocks from the Block Editor. It features a syntax-highlighted CSS Editor, allowing for tailored styling of your blocks.
This plugin is suitable for users who want to enhance the appearance of their Gutenberg Blocks with custom CSS without needing to leave the editor.
Best for: This plugin is best for WordPress users who want to customise the styling of their Gutenberg Blocks.
What it does well
- ✓Allows adding custom CSS directly in the Block Editor
- ✓Features a syntax-highlighted CSS Editor
- ✓Code and sources are publicly available on GitHub
- ✓Categorised under multiple relevant sections for easy discovery
Where it falls short
- •Limited information on specific features and usage
Verdict
Blocks CSS provides a straightforward way to enhance block styling with custom CSS. It is a useful tool for those familiar with CSS looking to personalise their site.
From the developer
Hardeep Asrani's own description of Blocks CSS: CSS Editor for Gutenberg Blocks, lightly tidied.
Blocks CSS allows you add custom CSS to your Blocks straight from the Block Editor (Gutenberg).
It adds a syntax-highlighted CSS Editor where you can add additional CSS to your Gutenberg Blocks to style them the way you want.
All the code and sources for this plugin are publicly available as part of https://github.com/Codeinwp/otter-blocks.
Tagged as
platform
Gutenberg & Block Editor
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