#chatbot {
  position: fixed;
  bottom: 20px;
  right: 20px;
}

#toggle {
  background: #0073aa;
  color: #fff;
  padding: 15px;
  border-radius: 50%;
  cursor: pointer;
}

#window {
  display: none;
  width: 300px;
  height: 400px;
  background: #fff;
  border: 1px solid #ccc;
}