#custom-ui-container {
    text-align: center;
    margin: 20px;
}

#custom-ui-container h2 {
    color: #0073aa;
}

#user-input {
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 4px;
    width: 80%;
    max-width: 400px;
}

#submit-btn {
    padding: 10px 20px;
    background-color: #0073aa;
    color: white;
    border: none;
    border-radius: 4px;
    margin-top: 10px;
    cursor: pointer;
}

#submit-btn:hover {
    background-color: #005177;
}

#response-msg {
    margin-top: 20px;
    color: green;
}