body {
  font-family: monospace;
  max-width: 600px;
  margin: 50px auto;
  padding: 0 20px;
}

button {
  font-size: 16px;
  -moz-appearance: none;
  -webkit-appearance: none;
  appearance: none;
  background-color: rgba(73, 73, 228, 1);
  color: #FFF;
  border: none;
  border-radius: 2px;
  margin: .5rem .125rem .5rem 0;
  padding: .5rem 1rem;
  cursor: pointer;
}

button:hover {
  background-color: rgba(73, 73, 228, .8);
}

h1,h3 {
  margin-top: 30px;
}