body {
    font-family: Arial, sans-serif;
    padding: 20px;
    margin: 0;
    background-color: #f4f4f4;
}

h2, h3 {
    text-align: center;
}

form {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

input, button {
    margin: 10px 0;
    padding: 10px;
    font-size: 16px;
    width: 100%;
    max-width: 300px;
}

button {
    background-color: #4caf50;
    color: white;
    border: none;
    cursor: pointer;
}

button:hover {
    background-color: #45a049;
}

@media (max-width: 600px) {
    form {
        width: 100%;
    }
    button, input {
        width: 80%;
    }
}