flipcard

<flipcard flipped="{{isInEitherArray(i, openIndices, matchedIndices)}}" height="128px" width="128px" on-click="{{onCellClick}}">
  <div front class="tile"></div>
  <div back class="tile {{isInEitherArray(i, openIndices, matchedIndices) ? 'open' : ''}}" on-click="{{onCellClick}}">
    <template if="{{cell.tile.imageHref}}">
      <img class="tile-icon" src="{{cell.tile.imageHref}}">
    </template>
    <span>{{cell.tile.title}}</span>
  </div>
</flipcard>