]body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100vh;
    background-color: #f0f0f0;
}

h1 {
    margin-bottom: 20px;
}

#chat-box {
    width: 80%;
    max-width: 600px;
    height: 400px;
    overflow-y: scroll;
    border: 1px solid #ccc;
    padding: 10px;
    background-color: #fff;
}

#message {
    width: calc(80% - 22px);
    max-width: 580px;
    padding: 10px;
    margin: 10px 0;
    border: 1px solid #ccc;
    border-radius: 4px;
}

button {
    padding: 10px 20px;
    border: none;
    background-color: #007BFF;
    color: white;
    cursor: pointer;
    border-radius: 4px;
}

button:hover {
    background-color: #0056b3;
}