body {
   font: 62.5% Arial, Verdana, sans-serif;
}

h1 {
   font-size: 2.5em;
   margin-bottom: 0;
}

h2 {
   font-size: 1.3em;
   margin-bottom: .5em;
}

h3 {
   font-size: 1.1em;
   margin-bottom: 0;
}

.poem {
   margin: 0 2em;
}

.highlight {
   font-style: italic;
   border: 1px solid #888;
   padding: 0.5em;
   margin: 0.5em 0;
   background-color: #ffc;
}