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

#chat-container {
    width: 400px;
    margin: 0 auto;
    border: 1px solid #ccc;
    padding: 10px;
}

#messages {
    height: 300px;
    overflow-y: scroll;
    border: 1px solid #ccc;
    padding: 5px;
    margin-bottom: 10px;
}

#message-input {
    width: 70%;
    padding: 5px;
}

#send-button {
    padding: 5px;
}