body {
    font-family: Arial, sans-serif;
    margin: 40px;
    max-width: 800px;
}

textarea {
    width: 100%;
    height: 120px;
}

input[type=text],
input[type=email] {
    width: 100%;
}

input[type=submit] {
    padding: 10px 20px;
    margin-top: 20px;
}