.payment-page {
    padding: 40px 0;
    background: #f6f6f6;
    border-top-width: 1px;
    border-top-style: solid;
}

.payment-page .inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
    max-width: 800px;
    height: 1000px;
    padding: 20px;
    box-sizing: border-box;
    background: #fff;
    border: 1px solid #ddd;
    border-radius: 10px;
    overflow: auto;
}
.payment-page .inner > h1 {
    margin: 30px 0 0 0;
    text-align: center;
}
.payment-page .inner > div {
    width: 100%;
    height: 600px;
    border: none;
}

@media (max-width: 768px) {
    .payment-page .inner {
        height: 1100px;
        border: none;
        border-radius: 0;
    }
    .payment-page {
        padding: 0;
    }
}