Slick slider: увеличение центральной картинки

$('.slider').slick({ 
  slidesToShow: 3, 
  centerMode: true, 
  slidesToScroll: 1,                
  dots: false, 
  arrows:false, 
  infinite: true,  
  variableWidth: true,   
  arrows:true, 
  nextArrow: '.project__next', 
  prevArrow: '.project__prev', 
});

#container{ 
	max-width: 950px; 
	margin: 0 auto; 
	max-height: 100%; 
} 
.slider{ 
 max-width:600px;margin: 20px auto; 
}  
.project__next img, .project__prev img{ 
  width:50px; 
  height:20px; 
} 
img { 
  max-width: 130px; 
  width: 100%; 
  border:1px solid #fff; 
 
} 
.slick-slide { 
padding-top:20px; 
} 
.slick-center { 
  padding-top:0; 
} 
.slick-center img { 
  max-width:160px; 
}

<script src="https://code.jquery.com/jquery-2.2.4.js"></script> 
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/slick-carousel/1.9.0/slick.min.css" /> 
<script src="https://cdnjs.cloudflare.com/ajax/libs/slick-carousel/1.9.0/slick.min.js"></script> 
   
<div id="container"> 
  <div class="row"> 
    <div class="col-xl-12 col-lg-12 col-md-12 col-sm-12"> 
      <div class="project__prev"> 
        <img src="https://media.msufcu.org/publicsites/publicsite/icons/arrow_left_gray.png"> 
      </div> 
      <div class="slider"> 
 
        <div class="project__foto"> 
          <img src="https://images.unsplash.com/photo-1512300872216-54ef7791f155?ixlib=rb-0.3.5&ixid=eyJhcHBfaWQiOjEyMDd9&s=18b9a3e2bbc98783513eea4cb4b6b9bd&auto=format&fit=crop&w=600&q=60" alt=""> 
 
        </div> 
        <div class="project__foto"> 
          <img src="https://images.unsplash.com/photo-1512300872216-54ef7791f155?ixlib=rb-0.3.5&ixid=eyJhcHBfaWQiOjEyMDd9&s=18b9a3e2bbc98783513eea4cb4b6b9bd&auto=format&fit=crop&w=600&q=60" alt=""> 
 
        </div> 
        <div class="project__foto"> 
          <img src="https://images.unsplash.com/photo-1512300872216-54ef7791f155?ixlib=rb-0.3.5&ixid=eyJhcHBfaWQiOjEyMDd9&s=18b9a3e2bbc98783513eea4cb4b6b9bd&auto=format&fit=crop&w=600&q=60" alt=""> 
 
        </div> 
        <div class="project__foto"> 
          <img src="https://images.unsplash.com/photo-1512300872216-54ef7791f155?ixlib=rb-0.3.5&ixid=eyJhcHBfaWQiOjEyMDd9&s=18b9a3e2bbc98783513eea4cb4b6b9bd&auto=format&fit=crop&w=600&q=60" alt=""> 
 
        </div> 
 
  </div> 
 
    <div class="project__next"> 
        <img src="http://www.clker.com/cliparts/B/5/C/M/6/i/right-grey-arrow.svg"> 
      </div> 
			</div>