body { position: relative; margin: 0 0 50px; padding: 0; font-family: sans-serif; }

form { max-width: 360px; margin: 0 auto 30px; padding: 30px; box-shadow:0 1px 4px #ccc; text-align:center; }
form h1 { margin: -30px -30px 20px; padding: 30px; font-size: 180%; background: #ffc; }
form h2 { margin: -30px -30px 20px; padding: 10px 30px; font-size: 140%; background: #ffc; }

#footnote { text-align:center; color:#999; font-size: 80%; padding-right: 15px; }
#footnote a { color: #999; }

@media (min-width:640px) {
  form { margin-top: 30px; }
}