.reveal .cite {
  position: absolute;
  left: 750px;
  top: 600px;
  font-size: 0.5em;
}

.reveal .imgcite {
  font-size: 0.4em;
  text-align: center;
}

.fragment.current-visible.visible:not(.current-fragment) {
  display: none;
  height:0px;
  line-height: 0px;
  font-size: 0px;
}

.reveal mark {
  background-color: #1980c4;
}

.imgcol {
  flex: 33.33%;
  padding: 5px;
}

.imgrow {
  display: flex;
}