--- a/vendor/magento/module-sales/Model/Order/Pdf/Invoice.php	2025-07-07 09:24:32.014095979 +0000
+++ b/vendor/magento/module-sales/Model/Order/Pdf/Invoice.php	2025-07-07 09:24:16.777567535 +0000
@@ -82,10 +82,10 @@
     {
         /* Add table head */
         $this->_setFontRegular($page, 10);
-        $page->setFillColor(new \Zend_Pdf_Color_Rgb(0.93, 0.92, 0.92));
+        $page->setFillColor(new \Zend_Pdf_Color_GrayScale(1));
         $page->setLineColor(new \Zend_Pdf_Color_GrayScale(0.5));
         $page->setLineWidth(0.5);
-        $page->drawRectangle(25, $this->y, 570, $this->y - 15);
+        $page->drawLine(25, $this->y - 15, 570, $this->y - 15);
         $this->y -= 10;
         $page->setFillColor(new \Zend_Pdf_Color_Rgb(0, 0, 0));
 
@@ -138,8 +138,6 @@
             $order = $invoice->getOrder();
             /* Add image */
             $this->insertLogo($page, $invoice->getStore());
-            /* Add address */
-            $this->insertAddress($page, $invoice->getStore());
             /* Add head */
             $this->insertOrder(
                 $page,
@@ -150,8 +148,6 @@
                     $order->getStoreId()
                 )
             );
-            /* Add document text and number */
-            $this->insertDocumentNumber($page, __('Invoice # ') . $invoice->getIncrementId());
             /* Add table */
             $this->_drawHeader($page);
             /* Add body */