:root {
    --bg: #646c7f;
    --fg: #fffde0;
    --fg-link: #fff18f;
}

body {
    margin: 0;
    padding: 0;
    background: var(--bg);
    color: var(--fg);
    font-family: serif;
    font-size: 16px;
    line-height: 1.2;
}

header {
    padding: 20px;
}

header h1 {
    margin: 0;
    font-size: 35px;
    font-weight: normal;
    font-style: italic;
}

header a {
    color: var(--fg);
    text-decoration: none;
}

#side-bar {
    position: absolute;
    top: 80px;
    left: 0;
    width: 200px;
    padding-left: 20px;
}

.side-title {
    font-size: 25px;
    margin: 20px 0 8px 0;
    color: var(--fg);
}

#side-bar ul {
    margin: 0 0 0 20px;
    padding: 0px;
    list-style: none;
}

#side-bar li {
    margin: 6px 0;
}

a {
    color: var(--fg-link);
    text-decoration: none;
    padding: 1px 2px;
}

a:hover {
    background: var(--fg);
    color: var(--bg);
}

article {
    margin: 80px 0 0 0;
    max-width: 800px;
}

h3 {
    margin-top: 30px;
    font-size: 25px;
    color: var(--fg);
    font-weight: normal;
}

footer {
    padding-top: 80px;
    font-style: italic;
    font-size: 17px;
}

article,
footer {
    margin-left: 240px;
    margin-top: 0px;
}