low search category checkboxes

{!-- SEARCH FORM --}
{exp:low_search:form query="{segment_3}" require_all="category" result_page="/static/dev" form_id="sidebar-category-search" secure="no"}
	  <fieldset>
	{exp:channel:categories channel="stories" show_empty="yes"}
		<label class="category-checkbox">
	   	<input type="checkbox" name="category[]" value="{category_id}" {if category_id IN ({low_search_category})}checked="checked"{/if}/>{category_name}</label>
	{/exp:channel:categories}
	    {!-- <button type="submit">Search</button> --}
  </fieldset>
{/exp:low_search:form}


{!-- SEARCH RESULTS --}
{exp:low_search:results channel="static" limit="15" status="open|featured"}

  <h3><a href="{url_title_path='static/'}">{title}</a></h3>
  {if low_search_no_results}No results be here.{/if}

{/exp:low_search:results}