.checkout-wrapper {
        font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
        color: #333;
    }
    .billing-section h4 {
        font-weight: 700;
        margin-bottom: 20px;
        text-transform: uppercase;
        border-bottom: 2px solid #283593;
        display: inline-block;
        padding-bottom: 5px;
        font-size: 16px;
    }
    .checkout-wrapper .form-group label {
        font-weight: normal;
        color: #666;
        font-size: 13px;
    }
    .checkout-wrapper .form-control {
        border-radius: 2px;
        border: 1px solid #ddd;
        box-shadow: none;
        height: 38px;
    }
    .order-summary-box {
        background-color: #f9f9fb;
        padding: 25px;
        border-radius: 4px;
    }
    .order-table {
        width: 100%;
        margin-bottom: 20px;
    }
    .order-table th {
        font-size: 12px;
        text-transform: uppercase;
        color: #555;
        border-bottom: 1px solid #ddd;
        padding-bottom: 10px;
        font-weight: 600;
    }
    .order-table td {
        padding: 12px 0;
        font-size: 13px;
        color: #555;
        border-bottom: 1px solid #eee;
    }
    .order-table .total-col {
        text-align: right;
    }
    .order-table .final-total {
        font-size: 18px;
        font-weight: 600;
        color: #283593;
    }
    .payment-methods {
        margin-top: 20px;
    }
    .payment-methods h5 {
        font-size: 15px;
        margin-bottom: 15px;
    }
    .payment-methods .radio label {
        font-weight: normal;
        font-size: 13px;
    }
    .active-payment {
        color: #283593;
        font-weight: 600;
    }
    .payment-desc {
        font-size: 12px;
        color: #666;
        margin-left: 20px;
        margin-bottom: 10px;
    }
    .privacy-text {
        font-size: 11px;
        color: #777;
        margin-top: 20px;
        margin-bottom: 15px;
        line-height: 1.5;
    }
    .btn-place-order {
        background-color: #3f51b5;
        color: #fff;
        border: none;
        padding: 12px 30px;
        font-size: 14px;
        border-radius: 2px;
        margin-top: 15px;
        width: 100%;
    }
    .btn-place-order:hover {
        background-color: #283593;
        color: #fff;
    }

    /* Styling for the hidden payment detail boxes */
    .payment-info-box {
        max-height: 0;
        overflow: hidden;
        opacity: 0;
        transition: all 0.3s ease-out;
        background-color: #fff;
        padding: 0 15px;
        border-radius: 4px;
        margin-left: 20px;
        margin-bottom: 5px;
        font-size: 12px;
    }

    /* The active class that triggers the slide open */
    .payment-info-box.active {
        max-height: 300px; /* High enough to fit the form */
        opacity: 1;
        padding: 15px;
        border: 1px solid #e0e0e0;
        margin-bottom: 15px;
    }

    .payment-info-box p {
        margin: 0;
        color: #666;
        line-height: 1.5;
    }

    .cc-logos i {
        font-size: 20px;
        margin-left: 5px;
        vertical-align: middle;
    }