body {
    font-family: Arial, sans-serif;
    margin: 20px;
}

#chat-container {
    margin-bottom: 20px;
}

.user-message {
    background-color: #f1f1f1;
    padding: 10px;
    margin-bottom: 10px;
}

.assistant-message {
    background-color: #e1f5fe;
    padding: 10px;
    margin-bottom: 10px;
}