form {
    max-width: 400px;
    margin: 20px auto;
    padding: 15px;
    border: 1px solid #ccc;
    border-radius: 10px;
}
form label {
    display: block;
    margin-bottom: 10px;
}
form input, form select {
    width: 100%;
    padding: 5px;
    margin-top: 5px;
}