<tr>
    <td align='right'>{h:category_num}</td>
    <td align='left'>{h:category_name}</td>
    <td align='left'>{h:category_color}</td>
    <td align='left'>{h:category_duration}</td>
    <td align='center'>
        {h:details_button}
        {h:edit_button}
        {h:delete_button}        
    </td>
</tr>
