gallery {
  line-height: 0;
  column-count: 5;
  column-gap: 5px;
}

#gallery .photo-item {
  position: relative;
  display: inline-block;
  width: 100%;
  margin: 0 0 5px;
  overflow: hidden;
  break-inside: avoid;
}

#gallery .photo-item img {
  display: block;
  width: 100% !important;
  height: auto !important;
  transition: filter 0.3s ease;
}

#gallery .photo-item figcaption {
  position: absolute;
  z-index: 2;
  top: 50%;
  left: 50%;
  width: 85%;
  margin: 0;
  color: white;
  font-size: 1rem;
  line-height: 1.4;
  text-align: center;
  transform: translate(-50%, -50%);
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
}

#gallery .photo-item:hover img {
  filter: brightness(40%);
}

#gallery .photo-item:hover figcaption {
  opacity: 1;
}

@media (max-width: 1200px) {
  #gallery {
    column-count: 4;
  }
}

@media (max-width: 800px) {
  #gallery {
    column-count: 3;
  }
}

@media (max-width: 550px) {
  #gallery {
    column-count: 2;
  }
}