.references ol { counter-reset: item }
.references li { display: block ; counter-increment: item; }
.references li:before { content: " ["counter(item)"] "; }

.milligram {
  color: #1f51a3;
}

h2 {
  margin-top: 2ex;
  margin-bottom: 0.5ex;
}

h3 {
  margin-top: 2ex;
  margin-bottom: 0.5ex;
}