.header {
  background: #99CCFF;
}

.subheader {
  font-family: helvetica,arial,sans-serif;
  font-size: 24pt;
  font-weight: bold;
  text-align: left;
  text-valign: bottom;
}
.subsubheader {
  font-family: helvetica,arial,sans-serif;
  font-size: 18pt;
  font-weight: bold;
  text-align: left;
}

.medium {
  font-family: helvetica,arial,sans-serif;
  font-weight: bold;
  font-size: 18pt;
}

.chapter {
  font-family: helvetica,arial,sans-serif;
  font-weight: bold;
  font-size: 10pt;
}

.section {
 font-family: helvetica,arial,sans-serif;
  font-size: 8pt;
}

.subsection {
 font-family: helvetica,arial,sans-serif;
  font-size: 7pt;
}