{%- if page.author -%}
<div id="author" class="portlet">
  <div class="portlet-body">
    {%- assign author = site.data.users[page.author] -%}
    <ul>
      <li><a href="/{{ site.data.i18n[site.lang].prefix.user }}{{ page.author }}">{{ author.name }}</a></li>
    </ul>
    {%- if author.logo -%}
    <img src="/{{ author.logo }}" style="max-width: 100%;margin: 3px" />
    {%- endif -%}
  </div>
  <h3>{{ site.data.i18n[site.lang].label.author }}</h3>
</div>  
{%- endif -%}