Sample SearchWP Supplemental Search Engine search form

gistfile1.html

<div class="search-box">
	<form role="search" method="get" class="search-form" action="<?php echo get_permalink( 147 ); ?>">
		<label>
			<span class="screen-reader-text">Search for:</span>
			<input type="search" class="search-field" placeholder="Search …" value="" name="swpquery" title="Search for:">
		</label>
		<input type="submit" class="search-submit" value="Search">
	</form>
</div>