wp-content/themes/default/searchform.php

   1 <form method="get" id="searchform" action="<?php bloginfo('url'); ?>/">
   2 <label class="hidden" for="s"><?php _e('Search for:'); ?></label>
   3 <div><input type="text" value="<?php the_search_query(); ?>" name="s" id="s" />
   4 <input type="submit" id="searchsubmit" value="Search" />
   5 </div>
   6 </form>