#chatbot-fab {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: #111;
  color: #fff;
  font-size: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 1000000;
  box-shadow: 0 10px 30px rgba(0,0,0,.3);
}

#chatbot-iframe {
  position: fixed;
  bottom: 100px;
  right: 24px;
  width: 360px;
  height: 520px;
  border: none;
  border-radius: 12px;
  background: #fff;
  z-index: 1000000;
}