<td colspan="2" align="center">
    <h3>{$params_tpl['title']}{$params_tpl['help']}</h3>
    <div style="display: flex; flex-direction: column;">{$tpl_types['source_field']}</div>
    <div style="display: flex; flex-direction: column;">{$tpl_types['link_field']}</div>
    <div style="display: flex; flex-direction: column;">{$tpl_types['addit_field']}</div>
</td>