#customer-number-input {
    margin: 15px 0;
    padding: 15px;
    background: #f8f8f8;
    border: 1px solid #ddd;
    border-radius: 4px;
}

#customer-number-input input[type="text"] {
    width: 100%;
    margin-bottom: 10px;
}

#show-customer-number-input,
#save-customer-number {
    width: 100%;
    text-align: center;
}

.woocommerce-checkout #payment div.payment_box::before {
    display: none;
}

.woocommerce-checkout #payment div.payment_box {
    background-color: #f8f8f8;
    border: 1px solid #ddd;
}

.woocommerce-checkout #payment div.payment_box p {
    margin: 0;
    padding: 10px 0;
}