body {
    font-family: sans-serif;
    text-align: none;
    font-size: 90%;
    max-width: 60em;
    margin-left:10%;
    margin-right:10%;
}
div.header {
   text-align: center;
   padding: 4em;
}
h1 {
   font-size: 200%;
   font-variant: small-caps;
}
div.subtitle {
   font-size: 110%;
   font-style: italic;
}

h2 {
    margin-bottom:0.3%;
}