<ul class="infinite-list-content" style={{contentStyle}}>
{{#each _visibleItems key='@index' as |item|}}
  <li class="virtual-item">
    {{yield item.raw item.actualIndex item.virtualIndex}}
  </li>
{{else}}
  <li>
    {{yield to='inverse'}}
  </li>
{{/each}}
</ul>

<ul class="infinite-list-content" style={{contentStyle}}>
{{#each _visibleItems key='@index' as |item|}}
  <li class="virtual-item">
    {{yield item.raw item.actualIndex item.virtualIndex}}
  </li>
{{else}}
  <li class="virtual-list-empty">
    {{yield to='inverse'}}
  </li>
{{/each}}
</ul>

Add a class to the default empty li wrapping element
Add a class to the default empty li wrapping element
