article {
    max-width: 40em;
    margin: 0 auto;
    padding: 20px;
    font-size: 16px;
    font-weight: 400;
    line-height: 1.5;
}

article h1,
article h2,
article h3,
article h4,
article h5,
article h6 {
    margin-top: 0.5em;
    margin-bottom: 0.5em;
    font-weight: 700;
}

article h1 {
    font-size: 2.5em;
}

article h2 {
    font-size: 1.5em;
}

article h3 {
    font-size: 1.2em;
}

article h4 {
    font-size: 1.1em;
}

article h5,
article h6 {
    font-size: 1em;
}

article p {
    margin-top: 0;
    margin-bottom: 1.5em;
    text-indent: 1em;
}

article blockquote p {
    text-indent: 0;
}

article a {
    text-decoration: none;
}

article a:hover {
    text-decoration: underline;
}