article {
    max-width: 800px;
    margin: 0 auto;
}

article h1, article h2, article h3, article h4, article h5, article h6 {
    margin-top: 1.5rem;
}

article p {
    margin: 1rem 0;
}

article pre {
    background: #f4f4f4;
    padding: 1rem;
    overflow-x: auto;
}

article code {
    background: #f4f4f4;
    padding: 0.2rem 0.4rem;
    border-radius: 3px;
}