@media (min-width: 768px) {
  header h2 {
    font-size: 1.5em;
    line-height: 1.25;
  }
}

@media (min-width: 992px) {
  main h1 {
    background-color: #006FAD;
    margin: 15px 0 15px -15px;
    padding: 15px;
    color: white;
    font-size: 1.8em;
  }
  header h2 {
    font-size: 1.75em;
  }
  aside nav#scrollspy {
    background-color: white;
  }
}

details {
  border-bottom: 1px solid #ccc;
  padding: 8px 0;
}
summary {
  cursor:pointer;
  font-weight:700;
  display: list-item;
}
details p {
  margin: 6px 0 0 15px;
}
dd {
  margin-left: 15px;
}
ul li p {
  margin: 0;
}