.ol-input-popup.ol-width li {
  padding: 5px;
}


.ol-input-popup.ol-width li > * {
  background-color: #369;
  width: 100px;
  height: 1em;
}

.ol-input-popup.ol-width li > .ol-option-0 {
  position: relative;
  height: 1px;
  background-image: linear-gradient(90deg,#aaa 2px, transparent 2px);
  background-color: transparent;
  background-size: 4px;
}