list-item.component.scss

.list-node {
  margin: 12px 0 6px 0;
  display: flex;
  flex-wrap: wrap;
  width: 640px;

  .expand-close-container {
    width: 40px;
    height: 40px;
  }
}

.child-node {
  margin-left: 24px;
}

.append-child-node {
  margin-top: 0;
}