.ol-collection-list {
  margin: 0;
  padding: 0;
  list-style: none;
}
.ol-collection-list li {
  position: relative;
  padding: 0 2em 0 1em;
}
.ol-collection-list li:hover {
  background-color: rgba(0,60,136,.2);
}
.ol-collection-list li.ol-select {
  background-color: rgba(0,60,136,.5);
  color: #fff;
}

.ol-collection-list li .ol-order {
  position: absolute;
  touch-action: none;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 2em;
  height: 100%;
  cursor: n-resize;
}
.ol-collection-list li .ol-order:before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 18px;
  height: 2px;
  background-color: currentColor;
  box-shadow: 0 5px, 0 -5px;
  border-radius: 2px;
}