<table class="table table-header-rotated">
  <thead>
    <tr>
      <!-- First column header is not rotated -->
      <th></th>
      <!-- Following headers are rotated -->
      <th class="rotate"><div><span>Column header 1</span></div></th>
        <th class="rotate"><div><span>Column header 2</span></div></th>
        <th class="rotate"><div><span>Column header 3</span></div></th>
        <th class="rotate"><div><span>Column header 4</span></div></th>
        <th class="rotate"><div><span>Column header 5</span></div></th>
        <th class="rotate"><div><span>Column header 6</span></div></th>
    </tr> 
  </thead>
  <tbody>
    <tr>
      <th class="row-header">Row header 1</th>
      <td><input checked="checked" name="column1[]" type="radio" value="row1-column1"></td>
      <td><input checked="checked" name="column2[]" type="radio" value="row1-column2"></td>
      <td><input name="column3[]" type="radio" value="row1-column3"></td>
      <td><input name="column4[]" type="radio" value="row1-column4"></td>
      <td><input name="column5[]" type="radio" value="row1-column5"></td>
      <td><input name="column6[]" type="radio" value="row1-column6"></td>
    </tr>
    <tr>
      <th class="row-header">Row header 2</th>
      <td><input name="column1[]" type="radio" value="row2-column1"></td>
      <td><input name="column2[]" type="radio" value="row2-column2"></td>
      <td><input checked="checked" name="column3[]" type="radio" value="row2-column3"></td>
      <td><input checked="checked" name="column4[]" type="radio" value="row2-column4"></td>
      <td><input name="column5[]" type="radio" value="row2-column5"></td>
      <td><input name="column6[]" type="radio" value="row2-column6"></td>
    </tr>
    <tr>
      <th class="row-header">Row header 3</th>
      <td><input name="column1[]" type="radio" value="row3-column1"></td>
      <td><input name="column2[]" type="radio" value="row3-column2"></td>
      <td><input name="column3[]" type="radio" value="row3-column3"></td>
      <td><input name="column4[]" type="radio" value="row3-column4"></td>
      <td><input checked="checked" name="column5[]" type="radio" value="row3-column5"></td>
      <td><input checked="checked" name="column6[]" type="radio" value="row3-column6"></td>
    </tr>
  </tbody>
</table>

.table-header-rotated {
  border-collapse: collapse;
  .csstransforms & td {
    width: 30px;
  }
  .no-csstransforms & th {
    padding: 5px 10px;
  }
  td {
    text-align: center;
    padding: 10px 5px;
    border: 1px solid #ccc;
  }
  .csstransforms & th.rotate {
    height: 140px;
    white-space: nowrap;
    // Firefox needs the extra DIV for some reason, otherwise the text disappears if you rotate 
    > div {
      transform: 
        // Magic Numbers
        translate(25px, 51px)
        // 45 is really 360-45
        rotate(315deg);
      width: 30px;
    }
    > div > span {
      border-bottom: 1px solid #ccc;
      padding: 5px 10px;
    }
  }
  th.row-header {
    padding: 0 10px;
    border-bottom: 1px solid #ccc;
  }
}