Common/Frontend/Layout/Repository/Thumbnail.twig
<div class="thumbnail">
<img class="img-responsive {{ Type }}" src="{{ File }}" height="{{ Height }}">
<div class="caption text-center">
{% if( Title|length > 0) %}
<h4>{{ Title }}</h4>
{% endif %}
{% if( Description|length > 0) %}
<small class="text-muted">{{ Description }}</small>
{% endif %}
{% if( ButtonList|length > 0) %}
<p>
{% for Button in ButtonList %}
{{ Button }}
{% endfor %}
</p>
{% endif %}
</div>
</div>