html {
    max-width: 70ch;
    padding: 0.25em 0.25em;
    line-height: 1.38;
    font-size: 1.06em;
}
h1,h2,h3,h4,h5,h6 {
    margin: 1.5em 0 0.5em;
}
p,ul,ol, figcaption {
    margin: 0 0 1em;
}
figure {
    margin: 1.5em 0 0;
}
img {
    max-width: 100%;
    max-height: 300px;
}
p.author, figcaption {
    font-style: italic;
}