.d0722 .image-slider{
  position: relative;
  display: inline-block;
  line-height: 0;
}
.d0722 .image-slider > div {
  position: absolute;
  top: 0; bottom: 0; left: 0;
  width: 25px;
  max-width: 100%;
  overflow: hidden;
  resize: horizontal;
}  
.d0722 .image-slider > div:before {
  content: '';
  position: absolute;
  right: 0; bottom: 0;
  width: 13px; height: 13px;
  padding: 5px;
  background: linear-gradient(-45deg, white 50%, transparent 0);
  background-clip: content-box;
  cursor: ew-resize;
  -webkit-filter: drop-shadow(0 0 2px black);
  filter: drop-shadow(0 0 2px black); 
}

.d0722 .image-slider img {
  user-select: none; 
  max-width: 600px;
}