JSFiddle - React, Tailwind, and code Playground

HTML

<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/OwlCarousel2/2.1.1/assets/owl.carousel.min.css">
<link rel="stylesheet" href="https://themes.audemedia.com/html/goodgrowth/css/owl.theme.default.min.css">
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/2.2.2/jquery.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/OwlCarousel2/2.1.1/owl.carousel.min.js"></script>
 <div id="customers-testimonials" class="owl-carousel">

            <!--TESTIMONIAL 1 -->
            <div class="item">
              <div class="shadow-effect">
                <img class="img-circle" src="http://themes.audemedia.com/html/goodgrowth/images/testimonial3.jpg" alt="">
                <p>Dramatically maintain clicks-and-mortar solutions without functional solutions. Completely synergize resource taxing relationships via premier niche markets. Professionally cultivate.</p>
              </div>
              <div class="testimonial-name">EMILIANO AQUILANI</div>
            </div>
            <!--END OF TESTIMONIAL 1 -->
            <!--TESTIMONIAL 2 -->
            <div class="item">
              <div class="shadow-effect">
                <img class="img-circle" src="http://themes.audemedia.com/html/goodgrowth/images/testimonial3.jpg" alt="">
                <p>Dramatically maintain clicks-and-mortar solutions without functional solutions. Completely synergize resource taxing relationships via premier niche markets. Professionally cultivate.</p>
              </div>
              <div class="testimonial-name">ANNA ITURBE</div>
            </div>
            <!--END OF TESTIMONIAL 2 -->
            <!--TESTIMONIAL 3 -->
            <div class="item">
              <div class="shadow-effect">
                <img class="img-circle" src="http://themes.audemedia.com/html/goodgrowth/images/testimonial3.jpg" alt="">
                <p>Dramatically maintain clicks-and-mortar solutions without functional solutions. Completely synergize resource...

CSS

/*Downloaded from https://www.codeseek.co/shamim539/owl-carousel-2-testimonial-slider-GZPZBp */
body{
  background-color:#000;
}
.shadow-effect {
		    background: #fff;
		    padding: 20px;
		    border-radius: 4px;
		    text-align: center;
	border:1px solid #ECECEC;
		    box-shadow: 0 19px 38px rgba(0,0,0,0.10), 0 15px 12px rgba(0,0,0,0.02);
		}
		#customers-testimonials .shadow-effect p {
		    font-family: inherit;
		    font-size: 17px;
		    line-height: 1.5;
		    margin: 0 0 17px 0;
		    font-weight: 300;
		}
		.testimonial-name {
		    margin: -17px auto 0;
		    display: table;
		    width: auto;
		    background: #3190E7;
		    padding: 9px 35px;
		    border-radius: 12px;
		    text-align: center;
		    color: #fff;
		    box-shadow: 0 9px 18px rgba(0,0,0,0.12), 0 5px 7px rgba(0,0,0,0.05);
		}
		#customers-testimonials .item {
		    text-align: center;
		    padding: 50px;
				margin-bottom:80px;
		    opacity: .2;
		    -webkit-transform: scale3d(0.8, 0.8, 1);
		    transform: scale3d(0.8, 0.8, 1);
		    transition: all 0.3s ease-in-out;
		}
		#customers-testimonials .owl-item.active.center .item {
		    opacity: 1;
		    -webkit-transform: scale3d(1.0, 1.0, 1);
		    transform: scale3d(1.0, 1.0, 1);
		}
		.owl-carousel .owl-item img {
		    -webkit-transform-style: preserve-3d;
		            transform-style: preserve-3d;
		    max-width: 90px;
    		margin: 0 auto 17px;
		}
		#customers-testimonials.owl-carousel.owl-theme .owl-dots .owl-dot.active span, #customers-testimonials.owl-carousel.owl-theme .owl-dots .owl-dot:hover span {
		    background: #28CB75;
		    -webkit-transform: translate3d(0px, -50%, 0px) scale(0.7);
		            transform: translate3d(0px, -50%, 0px) scale(0.7);
		}
		#customers-testimonials.owl-carousel.owl-theme .owl-dots .owl-dot span {
		    background: #C4C4CC;
		    display: block;
		    height: 20px;
		    margin: 0 2px 5px;
		    -webkit-transform: translate3d(0px, -50%, 0px) scale(0.3);
		            transform:...

JavaScript

jQuery(document).ready(function($) {
        		"use strict";
        		//  TESTIMONIALS CAROUSEL HOOK
		        $('#customers-testimonials').owlCarousel({
		            loop: true,
		            center: true,
		            items: 5,
		            margin: 0,
		            autoplay: true,
		            dots:true,
		            autoplayTimeout: 8500,
		            smartSpeed: 450,
		            
		        });
        	});