.masthead > a {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
}

.purchase {
  margin: 16px 0 8px;
}

.purchase button {
  appearance: none;
  border: 1px solid #086e76;
  border-radius: 6px;
  padding: 14px 18px;
  font: inherit;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
}

.purchase button:hover,
.purchase button:focus-visible {
  background: #102e42;
}

.availability p:first-child {
  margin-top: 0;
}

.availability .small {
  margin-bottom: 0;
}

footer a {
  color: inherit;
}