body {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100vh;
  width: 100vw;
}

.swiper-container {
  position: relative;
  width: 90vw;
  height: 300px;
}

.swiper-container > .swiper-slide__content {
  position: absolute;
  top: 0;
}

.swiper-slide {
  height: 300px;
  display: flex;
  background: #eee;
  align-items: center;
  justify-content: center;
  transition: all 200ms linear;
  transform: scale(0.8);
}
.swiper-slide.swiper-slide-active {
  transform: scale(1);
  background: #fc0;
}

.swiper-slide__content {
  height: 300px;
}