* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

li {
    margin-left: 1em;
}

#page-header {
    display: block;
    margin-bottom: 0.5em;
    padding: 0.5em;
    text-decoration: none;
    text-align: center;
}

#page-header > h1 {
    display: inline;
}

#content {
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
}

#articlenav {
    display: block;
    text-align: center;
}

@media (min-width: 600px) {
    #sidebar {
        float: right;
        width: 33%;
    }

    #mainbar {
        float: left;
        width: 66%;
    }
}

section {
    display: block;
    margin-left: 8px;
    margin-right: 8px;
    margin-bottom: 16px;
    margin-top: 16px;
    padding: 16px;
}

section > header {
    margin-top: -16px;
    margin-left: -16px;
    margin-right: -16px;
    margin-bottom: 16px;
    display: block;
    padding: 6px;
}

section > header > h2 {
    margin: 0;
    text-align: center;
}

section p {
    text-align: justify;
}

section * {
    margin-top: 1em;
}

section li, section li * {
    margin-top: 0;
}

section h3 {
    margin-left: 2em;
    margin-right: 2em;
}

section h4 {
    margin-left: 1em;
    margin-right: 1em;
}

section hr {
    margin: 1em;
}