body {
  font-family: sans-serif;
  text-align: center;
  margin-top: 3rem;
}
.ptt {
  padding: 1rem 2rem;
  font-size: 1.2rem;
  background: #0066ff;
  color: white;
  border: none;
  border-radius: .5rem;
}
.ptt:active {
  background: #0044aa;
}