body {
    font-family: Garamond, "Times New Roman", serif;
    max-width: 600px;
    padding-left: 20px;
    padding-right: 20px;
    margin-left: auto;
    margin-right: auto;
}

img {
    display: block;

    margin-left: auto;
    margin-right: auto;
}

footer {
    display: flex;
    justify-content: space-between;
}

footer > a {
    display: block;
}

footer > a:only-child {
    margin-left: auto;
}