#gallery-backdrop {
  z-index: 110;
  position: absolute;
  left: 0px;
  top: 0px;
  width: 100%;
  height: 100%;
  background: #000000;
  opacity: 0.2;
}

#gallery-imageview {
  position: absolute;
  z-index: 115;
  border: 2px solid #808080;
  background: #d8d8d8;
  padding: 8px;
}

#gallery-imageview .prev,
#gallery-imageview .next {
  position: absolute;
  z-index: 37;
  top: 0px;
  width: 50%;
  height: 100%;
  opacity: 0.5;
  text-align: right;
  display: flex;
  align-items: center;
}

#gallery-imageview .prev {
  left: 0px;
}

#gallery-imageview .next {
  right: 0px;
}

#gallery-imageview .arrow {
  font-family: serif;
  font-size: 40px;
}

#gallery-imageview .prev .arrow {
  margin-left: 16px;
  margin-right: auto;
}

#gallery-imageview .prev .arrow:before {
  content: "◀";
}

#gallery-imageview .next .arrow {
  margin-left: auto;
  margin-right: 16px;
}

#gallery-imageview .next .arrow:before {
  content: "▶";
}