body {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
  gap: 20px;
  margin: 0;
  height: 100vh;
  font-family: Arial, Helvetica, sans-serif;
  user-select: none;
}

main {
  padding: 30px;
  width: 400px;
  max-width: calc(100vw - 100px);
  border-radius: 25px;
  border: 1px solid rgba(0,0,0,.05);
  box-shadow: 0 0 20px 5px rgba(0, 0, 0,.1);
}

main#form {
  padding: 15px 0;
  width: 700px;
  height: 600px;
  max-height: calc(100vh - 50px);
}

h1 {
  margin: 0 0 20px 0;
  font-size: 150%;
}

p {
  margin: 0;
  line-height: 130%;
}

a {
  color: rgba(0,0,0,.4);
  text-decoration: none;
}