.payment-gateway {
        max-width: 700px;
        margin: auto;
        padding: 30px;
        border: 1px solid #ccc;
        border-radius: 10px;
        box-shadow: 0 0 15px rgba(0,0,0,0.2);
        background-color: #f9f9f9;
        font-family: Arial, sans-serif;
    }
    .admission-details {
        padding: 15px;
        border: 1px solid #ddd;
        border-radius: 8px;
        background-color: #fff;
        margin-bottom: 20px;
    }
    .payment-methods {
        margin-bottom: 20px;
    }
    .payment-options {
        display: flex;
        justify-content: space-around;
        flex-wrap: wrap;
    }
    .payment-option {
        text-align: center;
        width: 20%;
        margin-bottom: 20px;
    }
    .payment-logo {
        width: 60px; 
        height: auto;
        margin-bottom: 5px;
    }
    .qr-code {
        width: 250px;
        height: auto;
    }
    .payment-form {
        margin-top: 20px;
    }
    .form-control {
        border-radius: 5px;
        border: 1px solid #ccc;
        padding: 10px;
    }
    .btn-primary {
        background-color: #007bff;
        border: none;
        border-radius: 5px;
        padding: 10px 20px;
        color: white;
    }
    .btn-primary:hover {
        background-color: #0056b3;
    }
    .success-box {
        max-width: 600px;
        margin: auto;
        padding: 30px;
        border: 1px solid #28a745;
        border-radius: 10px;
        background-color: #f9fff9;
        box-shadow: 0 0 15px rgba(0, 128, 0, 0.2);
    }
    .success-box h2 {
        color: #28a745;
    }
    .success-box p {
        color: #555;
    }
    .btn-primary {
        background-color: #007bff;
        border: none;
        border-radius: 5px;
        padding: 10px 20px;
    }
    .btn-primary:hover {
        background-color: #0056b3;
    }