div#card-container {
    display: flex;
    justify-content: center;
    flex-direction: column;
    width: 80%;
    margin: auto;
    box-shadow: rgba(0, 0, 0, 0.24) 0px 3px 8px;
    padding: 30px;
}

.payment-error-message {
    text-align: center;
    color: #e63946;
    font-size: 0.95em;
    margin-top: 10px;
    display: none;
}
.success-message {
    text-align: center;
    color: #2f7708;
    font-size: 0.95em;
    margin-top: 10px;
    display: none;
}