html,
body {
  width: 100%;
  height: 100%;
  padding: 0;
  margin: 0;
}

body {
  background: white;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial,
    sans-serif, 'Apple Color Emoji', 'Segoe UI Emoji', 'Segoe UI Symbol';
}

div {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
  height: 100%;
}

h1 {
  font-weight: 300;
}