/**
 * Force overwrite the cloned virtual tree node style
 * To make sure it appear as it should be
 */
.md-tree-cloned-virtual-tree-node {
  // Note: position most be sticky, otherwise VO automatically scroll the node into the view
  // which means the user can not scroll away.
  position: sticky !important;
  top: 0 !important;
  height: 0 !important;
  overflow: hidden !important;
  opacity: 0;
}