html {
  background: #fff;
}

body {
  margin: 0;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #fff;
}

main {
  width: min(92vw, 64rem);
}

h1 {
  margin: 0;
}

img {
  display: block;
  width: 100%;
  height: auto;
}