header, footer, main {
    max-width: 800px;
    margin: 0 auto;
    padding: 1em;
    box-sizing: border-box;
}

header {
    border-bottom: 1px solid #ccc;
}

header .home-link {
    font-size: 18pt;
}

header .home-link a {
    color: #00e;
}
header .home-link a:visited {
    color: #00e;
}

footer {
    border-top: 1px solid #ccc;
}

pre code.hljs {
    border: 1px solid #ccc;
    border-radius: 5px;
    background-color: #fafafa;
}

main .post-meta {
    font-style: italic;
    font-size: 12pt;
}