body {
    margin: 0;
    margin-top: 40px;
    font-family: serif;
}

header {
    width: 100%;
    background: url(http://assets.adjectivespecies.com/as-stripes.png);
    text-align: center;
    position: relative;
}

header img.banner {
    margin: auto;
}

header img.stamp {
    position: absolute;
    top: 1em;
    left: calc(50% - 100px);
    width: 200px;
}

article, footer {
    width: 960px;
    margin: auto;
}

footer {
    margin-top: 2em;
}

section {
    margin: 0;
    padding: 1em;
    min-height: 2em;
    position: relative;
    font-size: 14pt;
    line-height: 28px;
}

section p,
section table * {
    font-size: 14pt;
    line-height: 28px;
}

section img {
    max-width: 100%;
}

h1, h2, h3, h4, h5, h6 {
    margin-top: 0.5em;
    font-family: sans-serif;
}