.image-flip span {
  position: absolute;
  left: 40px;
  top: 70px;
  z-index: 1;
}
.image-flip span.last {
  position: relative;
  left: 0;
  top: 0;
  z-index: 0;
}
.image-stack span {
    position: absolute;
  left: 0;
  top: 0;
}
.image-stack img {
  max-width: 250px;
}
.image-stack span.last {
  position: relative;
  left: 0;
  top: 0;
}
.image-row img {
    margin-right: 50px;
    max-width: 200px;
}
.image-row {
    display: flex;
    transform: rotate(-20deg);
    align-items: center;
}

.image-row img {
    margin-right: 50px;
    max-width: 200px;
}