.article {
    max-width:70em;
    font-family: "Helvetica Neue",Arial,Helvetica,sans-serif;
    font-size: 14px;
}

.article ul a {
    color: black;
    text-decoration: none;
    border-bottom: dashed silver 1px;
}
.article ul {
    list-style-type: disc;
}

.article h1 {
    margin-top: 0;
    margin-bottom: 0em;
}
.article h2, h3, h4, h5, h6 {
    margin-top: 1.7em;
    margin-bottom: 0em;
}

.article pre {
    background-color: #f7f7f7; padding: 0.9em;
}