$("#owl-box-slider").owlCarousel({
items:3,
loop:true,
autoplay:true,
autoplayTimeout:4000,
margin:20,
responsive : {
    // breakpoint from 0 up
    0 : {
      items:1
    },
    // breakpoint from 480 up
    480 : {
      items:2
    },
    // breakpoint from 768 up
    768 : {
      items:2
  },
   // breakpoint from 992 up
    992 : {
      items:3
  }
}
});