body {
    font-family: sans-serif;
    padding: 20px;
    background: #f0f0f0;
}

form {
    background: #fff;
    padding: 20px;
    border-radius: 5px;
    max-width: 500px;
}

input,
button {
    display: block;
    width: 100%;
    margin: 10px 0;
    padding: 10px;
}

button {
    background: #4CAF50;
    color: #fff;
    border: none;
    cursor: pointer;
}

button:hover {
    background: #45a049;
}