app/templates/components/media/units/unit-thumbnail.hbs
<div class="media-unit--block {{if (gte libraryEntry.progress unit.number) "complete"}}">
<div class="thumbnail-wrapper">
<span class="completion-status">{{t "media.show.units.completed" type=unit.modelType}}</span>
{{#if (is-object-empty unit.thumbnail)}}
{{lazy-image src=(image media.posterImage "medium")}}
{{else}}
{{lazy-image src=(image unit.thumbnail)}}
{{/if}}
</div>
<div class="thumbnail-description">
<h6>
<span class="unit-number">
{{t "media.show.units.unit" type=unit.modelType}}
{{unit.number}}
</span>
{{#if (not (eq unit.canonicalTitle (concat (capitalize unit.modelType) " " unit.number)))}}
<span class="info-emphasis thumb-caption">{{unit.canonicalTitle}}</span>
{{/if}}
</h6>
</div>
</div>