body {
  font-family: 'Nunito', sans-serif;
  max-width: 800px;
  margin: 0 auto;
  padding: 20px;
  text-align: center;
}

h1 {
  color: #333;
}

.google-play-button {
  display: inline-block;
  text-decoration: none;
}
.google-play-button img {
  width: 200px;
}