<div class="demo-preview-block">

  <table class="mdl-data-table mdl-js-data-table mdl-data-table--selectable mdl-shadow--2dp">
    <thead>
      <tr>
        <th class="mdl-data-table__cell--non-numeric">Material</th>
        <th>Quantity</th>
        <th>Unit price</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td class="mdl-data-table__cell--non-numeric">Acrylic (Transparent)</td>
        <td>25</td>
        <td>$2.90</td>
      </tr>
      <tr>
        <td class="mdl-data-table__cell--non