<link href="//maxcdn.bootstrapcdn.com/bootstrap/4.1.1/css/bootstrap.min.css" rel="stylesheet" id="bootstrap-css">
<script src="//maxcdn.bootstrapcdn.com/bootstrap/4.1.1/js/bootstrap.min.js"></script>
<script src="//cdnjs.cloudflare.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script>
<head>
<title>How to using slick</title>
<link rel="stylesheet" type="text/css" href="https://cdnjs.cloudflare.com/ajax/libs/slick-carousel/1.8.1/slick.min.css"/>
<link rel="stylesheet" type="text/css" href="https://cdnjs.cloudflare.com/ajax/libs/slick-carousel/1.8.1/slick-theme.min.css"/>
<style>
body{ display: inline-flex; background: darkslategrey;}
.basic, .withOptions{margin: 0 50px;}
.basic div, .withOptions div {width: 500px;height: 250px;}
img {width: 100%;}
.wrapper{
padding: 70px 0;
}
.center-slider .slick-slide{
background-color: #b32532;
color: #FFF;
height: 200px;
margin: 0 15px 0 0;
display: flex;
align-items: center;
justify-content: center;
transform: scale(0.8);
transition: all 0.4s ease-in-out;
}
.center-slider .slick-slide,
.center-slider .slick-slide[aria-hidden="true"]:not(.slick-cloned) ~ .slick-cloned[aria-hidden="true"] {
transform: scale(0.8, 0.8);
transition: all 0.4s ease-in-out;
}