body { font: 700 .8em Arial,sans-serif; }

.title { font: 700 1.4em Helvetica,Arial,sans-serif; text-align: center; }
.substance { font: 700 1.1em Helvetica,Arial,sans-serif; text-align: center; }
.author { font: 700 .9em Helvetica,Arial,sans-serif; text-align: center; margin-bottom: 10px; }