pre {
  background-color: RGB(255,255,255);
  color: RGB(0,0,0);
  margin-left: 20px;
  margin-right: 20px;
}

p.subheading {
  font-size: large;
  font-weight: bold;
  font-style: italic;
  text-align: center;
}

p.cheading {
  margin-left: 10px;
  font-weight: bold;
  font-size: medium;
}

p.text {
  margin-left: 20px;
}