.woocommerce-billing-fields, .woocommerce-shipping-fields, .woocommerce-additional-fields{
	width:450px;
}

@media only screen and (max-width: 500px) {
.woocommerce-billing-fields, .woocommerce-shipping-fields, .woocommerce-additional-fields{
	width:200px;
}
}

@media only screen and (max-width: 800px) {
	#customer_details{
		display: flex;
		flex-direction: column;
	}
}