.icw-collage-item img {
  display: block;
  height: auto;
  max-width: none; /* allow widths set by selectors */
  transition: transform .25s ease, box-shadow .25s ease;
}

/* optional small hover lift */
.icw-collage-item:hover img {
  transform: translateY(-6px);
}

.icw-collage-wrapper {
   
    position: relative;
    min-height: var(--icw-auto-height, 0);
}