fix: missing tailwind class

src/components/RegistrationForm.js

@@ -242,7 +242,7 @@ const RegistrationForm = ({
         ))}
 
       <div
-        className={classNames("form-field col-start-1 col-end-4", {
+        className={classNames("form-field col-span-4 max-w-xs", {
           "form-field--error": !!errors.product__58,
         })}
       >
@@ -275,7 +275,7 @@ const RegistrationForm = ({
       </div>
 
       <Button
-        className="text-lg max-w-full col-start-1 col-end-3"
+        className="text-lg max-w-full col-span-2"
         bodyClassName="whitespace-no-wrap"
         color="black"
         type="submit"