.freqtls-experimental-warning {
  border-bottom: 2px solid #8a4b08;
  background: #fff3cd;
  color: #3b2a05;
  /* pkgdown fixes the 56 px navbar to the viewport. The warning is injected
     before that navbar, so reserve the same height instead of letting the
     navbar obscure the warning headline. */
  margin-top: 56px;
  padding: 0.8rem 0;
}

.freqtls-experimental-warning a {
  color: #6b2f00;
  font-weight: 600;
}

.freqtls-experimental-warning strong {
  display: block;
  margin-bottom: 0.2rem;
}