#slideshow div {
  width: 100%;
  height: 100vh;
  position: relative;
}

#slideshow div img {
  width: 100%;
  height: auto;
}

#slideshow .position-center {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 1;
}