$(".single-item").slick({
dots: true,
nextArrow: '#right-arrow-example' // selector of your custom next arrow
});
.container {
margin: 0 auto;
padding: 40px;
width: 80%;
color: #333;
background: #419be0;
position: relative;
}
.slick-slide {
text-align: center;
color: #419be0;
background: white;
}
/* it's just an example of styling right arrow button */
#right-arrow-example {
width: 20px;
height: 20px;
position: absolute;
top: 60px;
right: 10px;
cursor: pointer;
}
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/2.2.1/jquery.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/slick-carousel/1.5.9/slick.min.js"></script>
<link href="https://cdnjs.cloudflare.com/ajax/libs/slick-carousel/1.5.9/slick.min.css" rel="stylesheet"/>
<link href="https://cdnjs.cloudflare.com/ajax/libs/slick-carousel/1.5.9/slick-theme.min.css" rel="stylesheet"/>
<div class='container'>
<div class='single-item'>
<div><h3>1</h3></div>
<div><h3>2</h3></div>
<div><h3>3</h3></div>
<div><h3>4</h3></div>
<div><h3>5</h3></div>
<div><h3>6</h3></div>
</div>
<div id="right-arrow-example">
<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" version="1.1" id="Capa_1" x="0px" y="0px" viewBox="0 0 31.49 31.49" style="enable-background:new 0 0 31.49 31.49;" xml:space="preserve">
<path style="fill:#1E201D;" d="M21.205,5.007c-0.429-0.444-1.143-0.444-1.587,0c-0.429,0.429-0.429,1.143,0,1.571l8.047,8.047H1.111 C0.492,14.626,0,15.118,0,15.737c0,0.619,0.492,1.127,1.111,1.127h26.554l-8.047,8.032c-0.429,0.444-0.429,1.159,0,1.587 c0.444,0.444,1.159,0.444,1.587,0l9.952-9.952c0.444-0.429,0.444-1.143,0-1.571L21.205,5.007z"/>
<g></g>
<g></g>
<g></g>
<g></g>
<g></g>
<g></g>
<g></g>
<g></g>
<g></g>
<g></g>
<g></g>
<g></g>
<g></g>
<g></g>
<g></g>
</svg>
</div>
</div>