body {
  font-family: Arial, sans-serif;
  margin: 20px;
}
#chat-container {
  border: 1px solid #ccc;
  padding: 20px;
  max-width: 400px;
  margin: 0 auto;
}
#chat-history {
  margin-bottom: 10px;
}
#user-input {
  width: 100%;
  padding: 8px;
}
.cta-button {
  background-color: #4caf50;
  color: white;
  padding: 10px 15px;
  border: none;
  border-radius: 5px;
  cursor: pointer;
}