doc {
 display: block;
 margin-top: 15px; margin-left: 10px;
}
para {
 display: block;
 margin-bottom: 10px;
 font-size: 1.5em;
 font-family: Courier;
}
para.tt {
 display: block;
 margin-bottom: 10px;
 font-size: 1.5em;
 font-family: "Courier New";
}