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

body {
  display: grid;
  place-items: center;
  font-family: sans-serif;
  background: #f6f7f9;
  color: #1c2430;
}

h1 {
  margin: 0;
  font-size: 2rem;
  font-weight: 700;
}