【CSS】How to reduce the image with the afterimage effect when hovering the image using transform(Demo page)

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CSS

.block {
  width: 500px;
  height: 340px;
  margin: 70px auto 0;
  transform-origin: center;
  transform: scale(1);
  will-change: transform;
  transition: all 0.8s cubic-bezier(0.165, 0.84, 0.44, 1);
  background: url(/img/w04.jpg) no-repeat center;
  background-size: cover;
  cursor: pointer;
}

.block:hover {
  opacity: 1;
  transition: opacity 1.4s,transform 1s cubic-bezier(.52,.01,.09,1);
  transition-delay: 0.2s;
  transform: scale(1) rotate(0);
}

.overlay {
  height: 100%;
  width: 100%;
  background: rgb(0,0,0,0.3);
}

.img {
  width: 100%;
  height: 100%;
  opacity: 1;
  transform-origin: center;
  transform: scale(1);
  will-change: transform;
  transition: all 0.8s cubic-bezier(0.165, 0.84, 0.44, 1);
  background: url(/img/w04.jpg) no-repeat center;
  background-size: cover;
}

.img:hover {
  opacity: 0;
  transform: scale(1.1);
  transition: all 0.8s cubic-bezier(0.165, 0.84, 0.44, 1);
}

@media screen and (max-width:640px){
  .block {
    width: 100%;
    height: 250px;
  }
}