{% comment %}
Vertical spacer. Optional param: height (px, default 16).
  {% include "async_notification/base/utils/spacer.html" with height=24 %}
{% endcomment %}
<table role="presentation" width="100%" cellpadding="0" cellspacing="0">
	<tr>
		<td style="height:{{ height|default:'16' }}px; line-height:{{ height|default:'16' }}px; font-size:0;">&nbsp;</td>
	</tr>
</table>