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

.chat-container {
    width: 300px;
    border: 1px solid #ccc;
    padding: 10px;
    margin:  auto;
    background-color: #f9f9f9;
}

.messages {
    height: 200px;
    overflow-y: scroll;
    border: 1px solid #ddd;
    padding: 5px;
    margin-bottom: 10px;
}

.messages div {
    margin: 5px ;
}