carousel.css

/* CAROUSEL CSS */
.carousel {
  width: 100%;
  max-width: 800px;
  max-height: 600px;
  height: 40vh;
  transform-style: preserve-3d;
  display: flex;
  justify-content: center;
  flex-direction: column;
  align-items: center;
}

.cc-img {
  object-fit: cover;
  width: 100%;
}

.ccard {
  position: absolute;
  width: 75%;
  height: 100%;
  left: 0;
  right: 0;
  margin: auto;
  transition: transform .4s ease;
  cursor: pointer;
}


.cards {
  position: relative;
  width: 100%;
  height: 100%;
  margin-bottom: 20px;
}


#item-1:checked ~ .cards #card-3, #item-2:checked ~ .cards #card-1, #item-3:checked ~ .cards #card-2 {
  transform: translatex(-40%) scale(.8);
  opacity: .4;
  z-index: 0;
}

#item-1:checked ~ .cards #card-2, #item-2:checked ~ .cards #card-3, #item-3:checked ~ .cards #card-1 {
  transform: translatex(40%) scale(.8);
  opacity: .4;
  z-index: 0;
}

#item-1:checked ~ .cards #card-1, #item-2:checked ~ .cards #card-2, #item-3:checked ~ .cards #card-3 {
  transform: translatex(0) scale(1);
  opacity: 1;
  z-index: 1;
}

input[type=radio] {
  display: none;
}