BODY {
  color: black;
  font-family: arial,helvetica;
  font-variant: normal;
  font-style: normal;
  background-color: white;
  background-repeat: no-repeat;
  padding: 10px;
}
A:link {
  color: #0000ff;
  text-decoration: none;
  background-color: transparent;
}
A:visited {
  color: #0000aa;
  font-style: italic;
  text-decoration: none;
  background-color: transparent;
}
A:hover {
  color: #008800;
  font-style: normal;
  text-decoration: underline;
  background-color: transparent;
}
A:active {
  color: #008800;
  text-decoration: underline;
  background-color: #ddffdd;
}
P {
  margin: 10px;
}
.main-heading {
  color: #000000;
  font-size: 300%;
  font-variant: bold;
}
.secondary-heading {
  color: #000000;
  font-size: 125%;
  font-weight: normal;
}
.block {
  margin: 10px;
  padding-bottom: 15px;
  padding-right: 15px;
}
.usage {
  font-size: x-small;
}
.profession {
  font-size: small;
  font-style: italic;
}
.section-heading {
  color: #000000;
  font-size: 150%;
  background-color: #cccccc;
  width: 100%;
  padding: 5px;
  margin-top: 10px;
}
.example-text {
  margin: 20px;
  font-size: 100%;
  font-family: courier,times,courier new,times new roman,serif;
}