.md-typeset h2:before {
  font-family: "FontAwesome";
  font-weight: 900;
  content: "\f0a9";
  margin-right: 5px;
}

.md-typeset h3:before {
  font-family: "FontAwesome";
  font-weight: 700;
  content: "\f0a9";
  margin-right: 5px;
}