- <img class="waiting" src="<?php echo esc_url( admin_url( 'images/wpspin_light.gif' ) ); ?>" alt="" />
- <?php submit_button( __( 'Save' ), 'primary', 'nav-menu-locations', false, disabled( $nav_menu_selected_id, 0, false ) ); ?>
+ <?php submit_button( __( 'Save' ), 'primary right', 'nav-menu-locations', false, disabled( $nav_menu_selected_id, 0, false ) ); ?>
+ <span class="spinner"></span>