slick slider наложение элементов

$('#slider .content').slick({ 
  dots: true, 
  infinite: true, 
  speed: 300, 
  slidesToShow: 1, 
  appendDots: $('#slider .dots'), 
  adaptiveHeight: true, 
  customPaging : function(slider, i) { 
  var title = $(slider.$slides[i]).data('title'); 
  var thumb = $(slider.$slides[i]).data('thumb'); 
             
  return '<a class="pager__item"><div class="dot-trumb">'+ title +'<img src="'+thumb+'"></a></div>'; 
   
}, 
});