Ja kļūda, būs sarkans fons

index.php

@@ -35,6 +35,12 @@ if(isset($_POST['pievienot']))
         //echo "New record created successfully";
       } else {
         //echo "Error: " . $pievienot . "<br>" . mysqli_error($conn);
+        echo '  <style>
+      body {
+        background-color: red;
+        opacity: 5.9;
+      }
+      </style>'; 
       }
     
     echo '  <style>