.lightbox-overlay {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background: rgba(255, 255, 255, 0.95);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 9999;
}

.lightbox-overlay img {
  max-width: 90%;
  max-height: 90%;
}

.petersburg-item figcaption {
  font-style: normal;
  padding-left: 2rem;
}

.petersburg-filler {
  position: absolute;
  left: 0;
  top: 0;
  height: 1px;
}

@media screen and (max-width: 1000px) {
  .petersburg-item {
    position: static !important;
    width: 100% !important;
  }

  .petersburg-filler {
    display: none;
  }

  .petersburg-gallery > a > img,
  .petersburg-item > a > img {
    width: 100%;
  }
}