single-page-site.html.twig in Single Page Site 2.x

{#
/**
 * Template to display single page site.
 *
 * $variables['items'] => Array containing all the page items.
 * $variables['wrapper'] => Contains the page wrapper id (IMPORTANT: do not change).
 */
#}

<div id="{{wrapper}}">
  {% for item in items %}
    <div id="{{item.anchor}}" class="single-page-wrapper" data-active-item="{{item.anchor}}" data-menu-item="{{item.hide}}">
      <div class="single-page">
        <{{item.tag}} class="single-page-title">{{item.title}} </{{item.tag}} >
        <div>{{item.output}}</div>
      </div>
    </div>
  {% endfor %}
  </div>