body {
    font-family: Arial, sans-serif;
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
}
h1 {
    color: #333;
}
form {
    display: flex;
    flex-direction: column;
    gap: 10px;
    max-width: 300px;
}
input, button {
    padding: 8px;
    font-size: 16px;
}
button {
    background-color: #007BFF;
    color: white;
    border: none;
    cursor: pointer;
}
button:hover {
    background-color: #0056b3;
}