.he-tree-rtl {
  direction: rtl;
}
.vl-items {
  overflow: hidden;
  box-sizing: border-box;
}
.he-tree .tree-placeholder {
  background: #ddf2f9;
  border: 1px dashed #00d9ff;
  height: 20px;
}
.he-tree .dragging .tree-node:hover {
  background-color: inherit;
}