r) The line width of the major ticks.</p></td>
    </tr>
    <tr>
      <th>major_tick_out</th>
      <td><p>(integer) The distance in pixels that major ticks should extend out of the main plot area.</p></td>
    </tr>
    <tr>
      <th>minor_tick_in</th>
      <td><p>(integer) The distance in pixels that minor ticks should extend into the main plot area.</p></td>
    </tr>
    <tr>
      <th>minor_tick_line_alpha</th>
      <td><p>(numeric) The line alpha of the minor ticks.</p></td>
    </tr>
    <tr>
  