article {
  position: relative;
}

.scroller {
  height: 650px;
  overflow-y: scroll;
  scroll-snap-type: y mandatory;
  padding-bottom: 0px;
}

.scroller section {
  scroll-snap-align: start;
  scroll-snap-stop: always;
}

.column img {
  max-height: 650px;
  max-width: 100%;
  object-fit: cover;
}

.column {
  float: left;
}

.left {
  width: 60%;
}

.right {
  width: 20%;
}

.row:after{
  content: "";
  display: table;
  clear: both;
}

.image-container {
  position: relative;
}

.image-container img {
  height: 650;
}

.underlay {
  z-index: 0;
}

.overlay {
  z-index: 10;
  position: absolute;
  top: 0;
  left: 0;
}