a:link, a:visited {
    text-decoration: none;
    color: blue;
}

a:hover, a:active {
    text-decoration: underline;
}

header {
    padding: 1em;
    margin-bottom: 1em;
}

header h1 {
    margin: 0;
    margin-bottom: .2em;
    font-size: 2em;
}

main h1 {
    font-size: 1.5em;
}

main h2 {
    font-size: 1.3em;
}

main h3 {
    font-size: 1.2em;
}

nav a {
    margin-right: 1em;
}

main {
    padding-left: 1em;
}

article {
    padding-left: 1em;
}

article h1:before {
    content: "▻ ";
}

blockquote {
    background-color: #f5f5f5;
    padding: .3em;
    padding-left: .6em;
    margin-left: 0;
}

blockquote p {
    margin: 0;
}

time {
    font-style: italic;
}

@media only screen and (min-width: 1000px) {
    body {
        margin-left: 20%;
        margin-right: 20%;
    }
}