body {
  font-family: Arial;
  max-width: 500px;
  margin: 50px auto;
  text-align: center;
}

input {
  padding: 8px;
  margin: 5px;
  width: 200px;
}

button {
  padding: 8px 16px;
  background: black;
  color: white;
  border: none;
}

a {
  display: block;
  margin-top: 10px;
}