body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial;
    max-width: 900px;
    margin: 2rem auto;
    padding: 0 1rem;
    color: #222;
}

header h1 a {
    text-decoration: none;
    color: inherit
}

header p {
    color: #555
}

article h2 {
    margin-top: 0
}

.date {
    color: #888;
    font-size: 0.9rem
}