body {
  font-family: Roboto, Oxygen-Sans, Ubuntu, Cantarell, 'Helvetica Neue', sans-serif;
  max-width: 40em;
  margin: auto;
  text-align: center;
}

h1, p {
  margin: 1.5em;
}

hr {
  border: none;
  background-color: #ccc;
  color: #ccc;
  height: 1px;
  width: 7em;
  margin-top: 4em;
}