.woocommerce-checkout form .form-row.woocommerce-invalid input.input-text, .woocommerce-checkout form .form-row.woocommerce-invalid select {
    border: 2px solid #ff0000 !important;
}

.order-rejection-reason-text {
    color: #ce0021;
    background: #f5ccd3;
    padding: 5px 10px;
    border-radius: 3px;
    margin-bottom: 10px;
}