echo '<label class="screen-reader-text" for="cat_id">' . __( 'Filter by category' ) . '</label>';
wp_dropdown_categories( $dropdown_options );
- submit_button( __( 'Filter' ), 'button', 'filter_action', false, array( 'id' => 'post-query-submit' ) );
+ submit_button( __( 'Filter' ), '', 'filter_action', false, array( 'id' => 'post-query-submit' ) );
?>
</div>
<?php