form {
    margin: 0 auto;
    padding: 20px;
    max-width: 400px;
    background-color: #f4f4f4;
    border-radius: 8px;
}

label {
    display: block;
    margin-bottom: 8px;
}

input {
    width: 100%;
    padding: 10px;
    margin-bottom: 15px;
    border: 1px solid #ddd;
    border-radius: 4px;
}