body{
    color: #333333;
    font-family: Arial, Helvetica, sans-serif;
    max-width: 650px;
    margin: 0 auto;
    padding: 0 16px;

    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.main-content{
    flex-grow: 1;
}

.payment-content{
    flex-grow: 1;
}

footer{
    color: #888888;
    border-top: 1px solid #eeeeee;
    margin-top: 16px;
    padding: 16px 0;
}

header{
    margin-top:16px;
    margin-bottom:46px;

}

h1{
    font-size: 44px;
    margin-bottom: 16px;
}

header a {
    color: #888888;
    margin-right: 16px;
    text-decoration: none;

}

.portrait{
    width: 250px;
}

input{
    border: 1px solid #cccccc;
    padding: 8px;

}

button{
    cursor: pointer;
    border: 1px solid #888888;
    background: #888888;
    color: white;
    padding: 8px;
}

.error-message
{
    color: red;
}

.success-message
{
    color: green;
}