.primary-cursor-container {
  display: flex;
  position: absolute;
  pointer-events: none;
}

.primary-cursor::after {
  content: '';
  background-color: black;
  width: 2px;
  height: 100%;
  position: absolute;
}

.right-to-left-vertical-writing .primary-cursor::after {
  content: '';
  background-color: black;
  width: 100%;
  height: 2px;
  position: absolute;
}