<!-- Image card -->
<style>
.demo-card-image.mdl-card {
  width: 256px;
  height: 256px;
  background: url('../assets/demos/image_card.jpg') center / cover;
}
.demo-card-image > .mdl-card__actions {
  height: 52px;
  padding: 16px;
  background: rgba(0, 0, 0, 0.2);
}
.demo-card-image__filename {
  color: #fff;
  font-size: 14px;
  font-weight: 500;
}
</style>

<div class="demo-card-image mdl-card mdl-shadow--2dp">
  <div class="mdl-card__title mdl-card--expand"></div>
  <div class="mdl-card__actions">
    <span class="demo-card-image__filename">Image.jpg</span>
  </div>
</div>