.supplement {
  margin: 1.5rem 0;
  padding-left: 1rem;
  padding-right: 0.5rem;
  padding-top: 0.5rem;
  padding-bottom: 0.5rem;
  background-color: #ededed;
  border-left: 4px solid #ddd;
  border-radius: 4px;
  font-size: 90%;
}

.supplement > :first-child {
	margin-top: 0;
}