    <th>axis_label_text_font_size</th>
      <td><p>(string - e.g. '12pt') The text font size of the axis label.</p></td>
    </tr>
    <tr>
      <th>axis_label_text_font_style</th>
      <td><p>('normal', 'italic', 'bold') The text font style of the axis label.</p></td>
    </tr>
    <tr>
      <th>axis_line_alpha</th>
      <td><p>(numeric) The line alpha of the axis line.</p></td>
    </tr>
    <tr>
      <th>axis_line_cap</th>
      <td><p>('butt', 'round', 'square') The line cap of the axis line.</p><