body {
    max-width: 680px;
    margin-left: 20px;
    margin-right: 20px;
}
footer {
    font-size: small;
    text-align: center;
    margin-top: 50px;
    margin-bottom: 50px;
}
p {
    line-height: 1.1;
    margin-bottom: 25px;
}
a {
    text-decoration: none;
}
small {
    color: gray;
}
img {
    width: 200px;
}
.align-right {
    text-align: right;
}