body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #fdfdfd;
    margin: 0;
    padding: 2rem 1rem;
}

main {
    max-width: 680px;
    margin: 0 auto;
}

h1, h2 {
    color: #111;
}

.date {
    color: #666;
    font-size: 0.9rem;
}