:root {
    --bg: whitesmoke;
    --text: black;
    --muted: dimgray;
    --link: royalblue;
    --link-hover: gray;
    --header-footer-bg: black;
    --header-footer-fg: white;
    --article-bg: #eaeaea;
    --article-border: gainsboro;
}

@media (prefers-color-scheme: dark) {
    :root {
        --bg: #1a1a1a;
        --text: #e8e8e8;
        --muted: #a8a8a8;
        --link: #6ea8fe;
        --link-hover: #cfcfcf;
        --header-footer-bg: #0d0d0d;
        --header-footer-fg: #e8e8e8;
        --article-bg: #242424;
        --article-border: #3a3a3a;
    }
}

body {
    font-family: "Source Sans Pro", "Calibri", sans-serif;
    font-weight: 320;
    font-size: calc(.5vmax + .5em);
    line-height: 1.4em;
    margin: 0;
    padding: 0 calc(20% - 6em);
    background: var(--bg);
    color: var(--text);
}

h1, h2, h3, h4, h5, h6 {
    font-family: "Gentium Basic", serif;
    margin: 0;
    text-transform: uppercase;
    letter-spacing: .1em;
}

a, a#selected {
    transition: color .2s ease-out;
    color: var(--link);
    text-decoration: none;
}

a:hover {
    color: var(--link-hover);
}

h1 a {
    font-size: 1.2em;
    line-height: 1.4em;
}

header a, footer a {
    color: inherit;
}

pre {
    overflow: auto;
    padding: 1em;
    font-size: .8em;
    line-height: 1.4em;
}

blockquote {
    border-left: 5px solid var(--link);
    margin: 0;
    padding: 0 1em;
}

body > header, article, body > footer {
    padding-left: calc(12% - 1.6em);
    padding-right: calc(12% - 1.6em);
}

body > header, body > footer {
    padding-top: 1em;
    padding-bottom: 1em;
    background: var(--header-footer-bg);
    color: var(--header-footer-fg);
}

article {
    padding-top: 2em;
    padding-bottom: 2em;
    background: var(--article-bg);
    border-top: 1px solid var(--article-border);
}

article header {
    text-align: center;
}

article header p {
    color: var(--muted);
}

article footer a::after {
    content: "\00bb";
}

body > footer {
    text-align: center;
}

body > footer span {
    margin: 0 5%;
}

nav li {
    display: inline-block;
    width: 19%;
    min-width: 6em;
}

nav ul {
    padding: 1em 0;
    margin: 0;
}

code.has-jax {
  font: inherit;
  font-size: 100%;
  background: inherit;
  border: inherit;
}