.carousel {
  position: relative;
  width: 90%;
  max-width: 1000px;
  height: 250px;
  margin: 20px auto;
  overflow: hidden;
  border-radius: 12px;
}

.carousel-item {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
  border-radius: 12px;
  opacity: 0;
  transition: opacity 0.5s ease;
}

.carousel-item.active {
  opacity: 1;
}