body {
    margin: 40px auto;
    max-width: 50em;
    padding: 0 10px;
    font: 18px serif;
    line-height: 1.6;
    color: #ddd;
    background-color: #161616;
}
hr {
    margin-bottom: 1em;
}
a {
    text-decoration: underline;
}
a:link {
    color: #ff7043;
}
a:hover, a:visited:hover {
    color: #ffab91;
}
a:visited {
    color: #ff7043;
}
ul.navbar {
    padding-left: 0;
}
ul.navbar > li {
    display: inline-block;
    margin: 0 1rem;
}
article {
    background-color: #242424;
    padding: 0 1em;
}
pre {
    padding: 1rem;
    border: 1px solid;
    line-height: normal;
    white-space: pre-wrap;
}
footer {
    margin-top: 3rem;
}