body {
  background: #fafafa;
  text-align: center;
  padding-left: 30px;
  padding-right: 30px;
  color: #334;
  font-family: Baskerville, Georgia, serif;
}
a {
  color: inherit;
}
a:visited {
  color: #555;
}
header {
  padding-top: 20px;
}
h1,
h2,
h3 {
  margin: 0;
  margin-bottom: 20px;
  font-weight: normal;
}
h1 {
  font-size: 3em;
}
h3 {
  font-size: 1.2em;
}
button {
  background: transparent;
  border: 1px solid #ccc;
}