<div class="slick">
<div>your content</div>
<div>your content</div>
<div>your content</div>
</div>
<script>
$('.slick').slick({
lazyLoad: 'ondemand',
slidesToShow: 3,
slidesToScroll: 1,
arrows:true,
ariableWidth: true,
centerPadding:'20px'
});
</script>