body {
    font-family: "Helvetica Neue", "Helvetica", Helvetica, Arial, sans-serif;
    padding: 20px;
    background-color: forestgreen;
    color: white;
}
form {
    max-width: 500px;
    margin: auto;
}
label {
    display: block;
    margin-top: 10px;
}
input, textarea {
    width: 100%;
    padding: 8px;
    margin-top: 5px;
    box-sizing: border-box;
}
button {
    margin-top: 15px;
    padding: 10px 20px;
}

img {
    width: 200px;
}
h1 {
    text-align: center;
}
p {
    text-align: center;
    font-family: "Helvetica Neue", "Helvetica", Helvetica, Arial, sans-serif;
    font-size: 18px;
}