Fix "thank you" not visible on mobile

Author: w3bdesign

components/Checkout/CheckoutForm.component.jsx

@@ -92,7 +92,7 @@ const CheckoutForm = () => {
       ) : (
         <>
           {orderCompleted && (
-            <div className="container m-12 mx-auto text-xl text-center">
+            <div className="container mt-20 text-xl text-center">
               Takk for din ordre!
             </div>
           )}