Add Admin CSSv2.5.1
Easily define additional CSS (inline and/or by URL) to be added to all administration pages.
Alternatives to PRyC WP: Add support for admin.css
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Relevant replacements
WordPress plugins with similar use cases
Compatibility and update metadata provide context, not a quality guarantee. Review each plugin’s details for your site.
Custom CSS & JavaScripts functions.
Add timestamp to style.css file
Plugin add backend note fild to all comment
Theme SCSS Compilerv1.0.8
Compile SCSS to CSS in the WordPress admin. No Node.js, no npm, no build step. Several file pairs, per-file cache busting, rebuild on change.
Add a CSS editor to your blocks and patterns! Loads only where necessary. Supports adding global CSS too.
Add shortcode support to widgets