:host {
  /**
   * @prop --scene-tree-toolbar-gap: A CSS length that specifies the horizontal
   * gap between slots.
   */
  --scene-tree-toolbar-group-item-gap: calc(
    var(--scene-tree-toolbar-content-gap) / 2
  );

  display: flex;
}

::slotted(:not(:first-child)) {
  margin-left: var(--scene-tree-toolbar-group-item-gap);
}