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

#chat-container {
    width: 50%;
    margin: auto;
    border: 1px solid #ccc;
    padding: 10px;
}

#chat-box {
    height: 300px;
    overflow-y: auto;
    border-bottom: 1px solid #ccc;
}

input, button {
    margin: 5px;
}