body {
    margin: 0;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #1e1e1e;
    color: #f5f5f5;
}

.container {
    text-align: center;
    background-color: #2d2d2d;
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.3);
}

h1 {
    margin-bottom: 30px;
    font-size: 36px;
    color: #ffffff;
}

.description {
    line-height: 1.6;
}

.description p {
    margin-bottom: 15px;
}

.description ul {
    list-style-type: none;
    padding-left: 0;
    margin-bottom: 20px;
}

.description li {
    margin-bottom: 8px;
}

.payment-button {
    display: inline-block;
    background-color: #007bff;
    color: #ffffff;
    text-decoration: none;
    padding: 10px 20px;
    border-radius: 30px;
    transition: background-color 0.3s ease;
}

.payment-button:hover {
    background-color: #0056b3;
}