<div class="container">
  <table class="show">
    <caption><em>Visible empty cells.</em></caption>
    <thead>
      <tr>
        <th>Header content 1</th>
        <th></th>
      </tr>
    </thead>
    <tfoot>
      <tr>
        <td>Footer content 1</td>
        <td>Footer content 2</td>
      </tr>
    </tfoot>
    <tbody>
      <tr>
        <td></td>
        <td>Body content 2</td>
      </tr>
    </tbody>
  </table>
  <table class="hide">
    <caption><em>Hidden empty cells.</em></caption>
    <thead>
      <tr>
        <th>Header content 1</th>
        <th></th>
      </tr>
    </thead>
    <tfoot>
      <tr>
        <td>Footer content 1</td>
        <td>Footer content 2</td>
      </tr>
    </tfoot>
    <tbody>
      <tr>
        <td></td>
        <td>Body content 2</td>
      </tr>
    </tbody>
  </table>
</div>
body {
  color: #555;
  font-size: 1.1em;
  font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
}

.container {
  margin: 40px auto;
  max-width: 900px;
}

table {
  margin: 2em auto;
}

table,
td,
th {
  padding: 1em;
  border: 1px solid #aaa;
}

.show {
  empty-cells: shows;
}

.hide {
  empty-cells: hide;
}

caption {
  padding: .5em;
  color: #0099CC;
}

.separate {
  border-collapse: separate;
}

.collapsed {
  border-collapse: collapse;
}