body {
    font-family: Arial, sans-serif;
    max-width: 600px;
    margin: 50px auto;
    padding: 20px;
    background-color: #f5f5f5;
}
h1 {
    text-align: center;
}
form {
    display: flex;
    flex-direction: column;
}
label {
    margin-top: 10px;
    font-weight: bold;
}
input, textarea, button {
    margin-top: 5px;
    padding: 8px;
    font-size: 1em;
}
button {
    margin-top: 20px;
    cursor: pointer;
}