body {
    font-family: Arial, sans-serif;
    background-color: #f2f2f2;
    text-align: center;
    padding: 20px;
}
form {
    display: inline-block;
    background: white;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
}
input, button {
    margin: 10px 0;
    padding: 10px;
    width: 80%;
}