body {
    padding: 1em;
    max-width: 800px;
}

section {
    padding: 0.25em 0;
}

header h1, section h2 {
    padding: 0.5em 0 0.25em 0.25em;
    border:3px solid #bbb;
    border-right: 100px transparent solid;
    border-top: 15px transparent solid;
}

footer {
    padding-top:0.5em;
    color:#666;
    font-style: italic;
}