Theme Junkie

<p>This plugin will enable a <a href="https://www.theme-junkie.com/plugins/theme-junkie-custom-css/" rel="nofollow ugc">custom css manager</a> on administration page to add Custom CSS code to your WordPress website. It will automatically override any theme or plugin default styles. It also very useful if you want to add customization to your website but do not want to edit your theme or plugin css files.</p>
<p>It comes with two ways to add the custom css code:</p>
<p><strong>1. Setting</strong><br />
You can go to Appearance → Custom CSS, then you will see a big box/textarea. Put your css code there.</p>
<p><strong>2. Customizer – Live Preview</strong><br />
If you want to see the live preview while you adding the custom css code, then you can go to Appearance → Customize, after that open the Custom CSS section tab.</p>
<h4>Features Include:</h4>
<ul>
<li>No configuration needed</li>
<li>Live preview</li>
<li>Easy-to-use</li>
<li>Child theme alternative to add customization</li>
<li>Uninstall procedure</li>
</ul>
<h4>Plugin Info</h4>
<ul>
<li>Developed by <a href="https://www.theme-junkie.com/?utm_source=wporg&utm_medium=text_link&utm_campaign=Site%20Promotion" rel="nofollow ugc">Theme Junkie</a></li>
<li>Check out the <a href="https://github.com/themejunkie/theme-junkie-custom-css" rel="nofollow ugc">Github</a> repo to contribute.</li>
</ul>


TJ Custom CSS

Simply works

Easily to add any Custom CSS code to your WordPress website.

Bastien Ho

NOUS Open Usefull &amp; Simple

<p>This plugin is for you if :</p>
<ul>
<li>You know CSS, but don’t have legitimacy to apply it</li>
<li>You manage a multisite network</li>
<li>You work with webmasters which want to customize WP but think that “CSS” means “Custom Super Style”</li>
<li>You just want to use predefined styles on your blog</li>
</ul>
<p>This plugin works as well for standard single site or multisite network.</p>
<p>Checkout full examples and documentation on <a href="http://css-addons.avecnous.eu/" rel="nofollow ugc">css-addons.avecnous.eu</a></p>
<p>The power user can create a set of CSS rules readable for humans with :</p>
<ul>
<li>Slug</li>
<li>Name</li>
<li>Theme</li>
<li>Descrition</li>
<li>CSS code</li>
</ul>
<p>It adds the list of addons in the customizer view (under appearance) and webmaster just have to check the ones they want with live preview.<br />
That’s it.<br />
For coder webmasters, a free field let them put there own CSS in a code-highlighted editor.</p>
<p>Predefined librairies are also available:</p>
<ul>
<li>Bootstrap 3/4</li>
<li>GithubCSS</li>
<li>Knacss</li>
<li>MarkdownCSS</li>
<li>Normalize</li>
<li>Skeleton</li>
<li>YUI 3</li>
</ul>
<h3>Languages</h3>
<ul>
<li>en    : 100%</li>
<li>fr_FR : 100%</li>
</ul>


Custom CSS Addons

Description: Lets administrator add CSS addons to any theme

TJ Custom CSS vs Custom CSS Addons