body {
  background: #fff8ec;
  color: #331a00;
  font-family: sans-serif;
  text-align: center;
  padding: 2em;
}
button {
  padding: 1em;
  margin: 1em;
  font-size: 1.2em;
}
body.dark {
  background: #111;
  color: #ffe;
}
img {
  margin-top: 10px;
}