body {
  margin: 0;
  background: #111;
  font-family: Arial, sans-serif;
  /* display: flex; */
  /* flex-direction: column; */
  /* align-items: center; */
}

/* Gallery Container */
#gallery {
  max-width: 840px; /* beschränkt auf 3 Columns */
  position: relative;
  margin: 0 auto;
  padding: 0 50px 0 50px !important;
  /* margin: 0 10vw; */
}

/* Items */
.item {
  position: absolute;
  width: 220px;
  margin-bottom: 12px;
}

.item img {
  width: 100%;
  display: block;
  border: solid 5px #fff;
  border-radius: 8px;
  background: #222;

  opacity: 0;
  transform: translateY(10px);
  transition: opacity 2.9s ease, transform 2.9s ease;
}

.item img.loaded {
  opacity: 1;
  transform: translateY(0);
}

/* Sentinel */
#sentinel {
  height: 1px;
}

/* Lightbox */
#lightbox {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.9);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 9999;
}

#lightbox img {
  max-width: 90%;
  max-height: 90%;
  border-radius: 8px;
}

#lightbox-close {
  position: absolute;
  top: 20px;
  right: 30px;
  font-size: 40px;
  color: #fff;
  cursor: pointer;
}