Goran Petrovic

This utility plugin allow you to change font family, colors and backgrounds of any element on your theme using Customize 
interface.
<iframe loading="lazy" class="youtube-player" width="750" height="422" src="https://www.youtube.com/embed/0rESNVbxulo?version=3&rel=1&showsearch=0&showinfo=1&iv_load_policy=1&fs=1&hl=en-US&autohide=2&wmode=transparent&listType=playlist&list=PLUDxG30KAdnrme6JDRH-r3IipKPqyoeIo" allowfullscreen="true" style="border:0;" sandbox="allow-scripts allow-same-origin allow-popups allow-presentation allow-popups-to-escape-sandbox"></iframe>
<a href="https://www.youtube.com/watch?v=0rESNVbxulo&list=PLUDxG30KAdnrme6JDRH-r3IipKPqyoeIo" rel="nofollow ugc">Video Tutorials</a>
Very simple add your CSS selectors and choice CSS options then open Customize and change page element style.
Options
<ul>
<li>Google fonts</li>
<li>Display</li>
<li>Font color</li>
<li>Font family</li>
<li>Background</li>
</ul>
Features
<ul>
<li>Easy to use</li>
<li>Compatibilty with any theme or plugin</li>
<li>Browsers supported</li>
<li>Simple interface</li>
<li>Responsive options</li>
<li>Generate CSS code</li>
</ul>

WP CSS Generator

Preporuka!

Customize you WP page elements easy and fast. Get full control over any element or property.

iamaliiraja

Super Block CSS allows you to 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.
Key features:
<ul>
<li>Adds a Custom CSS panel to every Gutenberg blocks</li>
<li>Syntax-highlighted CSS editor for easy coding</li>
<li>Apply custom styles to individual blocks</li>
<li>Global CSS option for site-wide styles</li>
<li>Real-time preview of your custom styles in the editor</li>
<li>Easy-to-use interface integrated into the Gutenberg editor</li>
</ul>
Whether you’re a developer looking to fine-tune your blocks or a site owner wanting to add some custom flair, Super Block CSS gives you the power to customize your Gutenberg blocks with ease.

Super Blocks CSS – Custom CSS for Gutenberg Blocks

Awesome plugin, i will always use this one from now.



WOW !!

Add custom CSS to your Gutenberg blocks directly from the block editor.

WP CSS Generator vs Super Blocks CSS – Custom CSS for Gutenberg Blocks