.support a {
  font-size: 200%;
}

#exchanges {
  margin-bottom: 180px;
}

#chat-textarea {
  height: 7rem;
}

.prompt .card {
  border-top-right-radius: 0px;
}

.response .card {
  border-top-left-radius: 0px;
}

.feature-icon {
  width: 4rem;
  height: 4rem;
  border-radius: .75rem;
}

.totally-hidden {
  display: none;
}

.navbar-nav > li {
  margin-left: 0.6rem;
}