<div id="result"></div>
<div class="swiper-container">
  <div class="swiper-scrollbar"></div>
  <div class="swiper-button-prev"></div>
  <div class="swiper-button-next"></div>
  <div class="swiper-wrapper">
    <div class="swiper-slide">
      <div class="img" style="background-image: url(https://images.unsplash.com/photo-1612459303816-0daebd0014fb?crop=entropy&cs=srgb&fm=jpg&ixid=MXwxNDU4OXwwfDF8cmFuZG9tfHx8fHx8fHw&ixlib=rb-1.2.1&q=85);">
      </div>
    </div>
    <div class="swiper-slide">
      <div class="img" style="background-image: url(https://images.unsplash.com/photo-1612823334879-01148de469d9?crop=entropy&cs=srgb&fm=jpg&ixid=MXwxNDU4OXwwfDF8cmFuZG9tfHx8fHx8fHw&ixlib=rb-1.2.1&q=85);">
      </div>
    </div>
    <div class="swiper-slide">
      <div class="img" style="background-image: url(https://images.unsplash.com/photo-1611765935049-a21dafa8ef1f?crop=entropy&cs=srgb&fm=jpg&ixid=MXwxNDU4OXwwfDF8cmFuZG9tfHx8fHx8fHw&ixlib=rb-1.2.1&q=85);">
    </div>
  </div>
  <div class="swiper-pagination"></div>

html, body {
  position: relative;
  height: 100%;
}
body {
  background: #eee;
  font-family: Helvetica Neue, Helvetica, Arial, sans-serif;
  font-size: 14px;
  color:#000;
  margin: 0;
  padding: 0;
  overflow: hidden;
}
.swiper-container {
  width: 100%;
  height: 100%;
}
.swiper-slide {
  text-align: center;
  font-size: 18px;
  background: #fff;

  /* Center slide text vertically */
  display: -webkit-box;
  display: -ms-flexbox;
  display: -webkit-flex;
  display: flex;
  -webkit-box-pack: center;
  -ms-flex-pack: center;
  -webkit-justify-content: center;
  justify-content: center;
  -webkit-box-align: center;
  -ms-flex-align: center;
  -webkit-align-items: center;
  align-items: center;
  position: relative;
  z-index: 0;
}

#result {
  position: absolute;
  left: 10px;
  top: 10px;
  font-size: 30px;
  z-index: 100;
}

.img {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
   background-size: cover;
   background-position: center  center;
   background-repeat: no-repeat;
transition: 3s all;
  transform: scale(1.2);
}

.swiper-slide-active .img {
    animation: scale 5s ease forwards;
}

@keyframes scale {
    0% {
        transform: scale(1);
    }

    100% {
         transform: scale(1.2);
    }
}

var swiper = new Swiper(".swiper-container", {
  slidesPerView: 1,
  effect: 'fade',
  navigation: {
    nextEl: ".swiper-button-next",
    prevEl: ".swiper-button-prev"
  },
  pagination: {
    el: ".swiper-pagination"
  },
  loop: true,
  autoplay: {
    delay: 2000,
   },
  speed: 2000
});