#signin-msg {
  text-align: center;
  padding: 1rem;
  display: none;
  border-radius: 0.2rem;
  margin-top: 0.5rem;
}

@media (min-width: 768px) {
  #signin-msg { margin-top: 3rem; }
}

.fb-auth-container {
  margin-top: 0.5rem;
}

@media (min-width: 768px) {
  .fb-auth-container { margin-top: 3rem; }
}