.help-unit ul {
  list-style: none;
  margin: 0;
  padding: 0;
}
.help-unit ul li {
  margin-bottom: 10px;
}
.help-unit ul li .content {
  display: none;
}
.help-unit ul li.active .topic {
  font-size: 24px;
  color: #444;
}
.help-unit ul li.active .topic:hover {
  text-decoration: none;
}
.help-unit ul li.active .content {
  display: block;
  margin-top: 10px;
  margin-bottom: 20px;
}