/* Start custom CSS */.card {
  position: relative;
  overflow: hidden;
}

.overlay-caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(0,0,0,0.6);
  color: white;
  text-align: center;
  padding: 10px;
  opacity: 0;
  transform: translateY(100%);
  transition: all 0.3s ease;
}

.card:hover .overlay-caption {
  opacity: 1;
  transform: translateY(0);
}/* End custom CSS */