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

.hero {
    background: linear-gradient(135deg, #007bff, #0056b3);
}

.chat-box {
    background-color: #f8f9fa;
    border: 1px solid #ced4da;
}

#messages {
    background-color: #ffffff;
    padding: 10px;
    border-radius: 5px;
}