.woocommerce-checkout .woocommerce-input-wrapper span.select2-selection--single {
  background: #f2f2f2;
  height: 48px;
  box-shadow: inset 0 1px 1px rgb(0 0 0 / 13%);
  border: unset;
  border-radius: unset;
}
.woocommerce-checkout .woocommerce-input-wrapper span.select2-selection__rendered {
  height: 48px;
  line-height: 48px;
}
.woocommerce-checkout span.select2-container .select2-selection__arrow {
  height: 48px;
  line-height: 48px;
}