body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem;
}

form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

input[type="text"],
button {
    font-size: 1rem;
    padding: 0.5rem;
}

input[type="text"] {
    flex-grow: 1;
}

button {
    background-color: #007bff;
    border: none;
    color: white;
    cursor: pointer;
    transition: background-color 0.3s;
}

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

.response {
    margin-top: 2rem;
    padding: 1rem;
    border: 1px solid #ccc;
}