<form role="search" method="get" class="search-form" action="<?php echo esc_url( home_url( '/' ) ); ?>"> <label for="s"> <?php _ex( 'Search Catalog', 'label', 'pressbooks-aldine' ); ?> <input id="s" type="search" class="search-field" value="<?php echo get_search_query(); ?>" name="s" /> </label> <input type="submit" class="search-submit" value="<?php _ex( 'Search', 'submit button', 'pressbooks-aldine' ); ?>" /> </form>