#photo_list {
  position: absolute;
  bottom: 0px;
  width: 100%;
  height: 50%;
  overflow: scroll;
}

@media screen and (orientation: landscape) {
  #photo_list {
    position: absolute;
    right: 0px;
    width: 50%;
    height: 100%;
    overflow: scroll;
  }
}

#photo_list ul {
  display: flex;
  flex-wrap: wrap;
  list-style: none;
  margin: 0px;
  padding: 0px;
}

#photo_list li {
  position: relative;
  width: 33.3%;
}

#photo_list li:before {
  content: "";
  display: block;
  padding-top: 100%;
}

#photo_list div {
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  margin: auto;
}

#photo_list div img {
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  margin: auto;
  object-fit: cover;
}

#photo_list div p {
  position: absolute;
  top: 0;
  right: 0;
  margin-top: 8px;
  margin-right: 8px;
  padding: 4px;
  border-radius: 8px;
  font-size: 14px;
  background-color: #ffffffcc;
}