body {
    font-family: Arial;
    background: #111;
    color: #eee;
    margin: 20px;
}

#chat-messages {
    height: 300px;
    overflow-y: scroll;
    border: 1px solid #444;
    padding: 10px;
    background: #000;
    margin-bottom: 10px;
}

.msg {
    margin-bottom: 6px;
    word-wrap: break-word;
}

input {
    padding: 10px;
    font-size: 16px;
}

button {
    padding: 10px 14px;
    font-size: 16px;
}