• Label filters:
  
• How to use:

function wpccustom_label_callback(){

    return 'My Custom Label';

}
add_filter('result_shipper_address', 'wpccustom_label_callback');

• Status section background color

  
  add_action('wp_head', function(){
  
      ?>
  
         <style>
  
               #shipment-status #result-status-header {
  
                  background-color: #000000 !important;
  
               }
  
         </style>
  
      <?php
  
  });