$(window).bind('load resize', function(){
  var slideDone = 0;
  var winWidth =$(window).innerWidth();
  if(winWidth <= 900){
    if(slideDone == 0){
      $('.categoryShelfContainer ul').slick({
        centerMode: true,
        slidesToShow: 3,
        arrows:false,
        dots:true,
        responsive: [
          {
            breakpoint: 768,
            settings: {
              centerMode: true,
              slidesToShow: 1
            }
          },
          {
            breakpoint: 480,
            settings: {
              centerPadding: '40px',
              slidesToShow: 1
            }
          }
        ]
      });
      slideDone = 1;
    }
  }
})