Goran Petrovic

This utility plugin allow you to change font family, colors and backgrounds of any element on your theme using Customize 
interface.
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<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.

souliyo

An easy-to-use WordPress Plugin to add custom CSS styles that override Plugin and Theme default styles. This plugin is designed to meet the needs of administrators who would like to add their own CSS to their WordPress website.
Features
<ul>
<li>Simplest way of adding Lao font to your WordPress website</li>
</ul>

Souliyo Key

Add Souliyo Unicode font or Lao font to your Wordpress website without coding.

WP CSS Generator vs Souliyo Key